lakesuperior_legacy/lakesuperior/store/base_lmdb_store.c

/* Generated by Cython 0.28.4 */

/* BEGIN: Cython Metadata
{
    "distutils": {
        "depends": [
            "/home/scossu/code/lsup/src/ext/include/lmdb.h"
        ],
        "include_dirs": [
            "/home/scossu/code/lsup/src/ext/include",
            "/home/scossu/code/lsup/src/lakesuperior/cy_include"
        ],
        "name": "lakesuperior.store.base_lmdb_store",
        "sources": [
            "/home/scossu/code/lsup/src/lakesuperior/store/base_lmdb_store.pyx",
            "/home/scossu/code/lsup/src/ext/lib/mdb.c",
            "/home/scossu/code/lsup/src/ext/lib/midl.c"
        ]
    },
    "module_name": "lakesuperior.store.base_lmdb_store"
}
END: Cython Metadata */

#define PY_SSIZE_T_CLEAN
#include "Python.h"
#ifndef Py_PYTHON_H
    #error Python headers needed to compile C extensions, please install development version of Python.
#elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03030000)
    #error Cython requires Python 2.6+ or Python 3.3+.
#else
#define CYTHON_ABI "0_28_4"
#define CYTHON_FUTURE_DIVISION 1
#include <stddef.h>
#ifndef offsetof
  #define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
#endif
#if !defined(WIN32) && !defined(MS_WINDOWS)
  #ifndef __stdcall
    #define __stdcall
  #endif
  #ifndef __cdecl
    #define __cdecl
  #endif
  #ifndef __fastcall
    #define __fastcall
  #endif
#endif
#ifndef DL_IMPORT
  #define DL_IMPORT(t) t
#endif
#ifndef DL_EXPORT
  #define DL_EXPORT(t) t
#endif
#define __PYX_COMMA ,
#ifndef HAVE_LONG_LONG
  #if PY_VERSION_HEX >= 0x02070000
    #define HAVE_LONG_LONG
  #endif
#endif
#ifndef PY_LONG_LONG
  #define PY_LONG_LONG LONG_LONG
#endif
#ifndef Py_HUGE_VAL
  #define Py_HUGE_VAL HUGE_VAL
#endif
#ifdef PYPY_VERSION
  #define CYTHON_COMPILING_IN_PYPY 1
  #define CYTHON_COMPILING_IN_PYSTON 0
  #define CYTHON_COMPILING_IN_CPYTHON 0
  #undef CYTHON_USE_TYPE_SLOTS
  #define CYTHON_USE_TYPE_SLOTS 0
  #undef CYTHON_USE_PYTYPE_LOOKUP
  #define CYTHON_USE_PYTYPE_LOOKUP 0
  #if PY_VERSION_HEX < 0x03050000
    #undef CYTHON_USE_ASYNC_SLOTS
    #define CYTHON_USE_ASYNC_SLOTS 0
  #elif !defined(CYTHON_USE_ASYNC_SLOTS)
    #define CYTHON_USE_ASYNC_SLOTS 1
  #endif
  #undef CYTHON_USE_PYLIST_INTERNALS
  #define CYTHON_USE_PYLIST_INTERNALS 0
  #undef CYTHON_USE_UNICODE_INTERNALS
  #define CYTHON_USE_UNICODE_INTERNALS 0
  #undef CYTHON_USE_UNICODE_WRITER
  #define CYTHON_USE_UNICODE_WRITER 0
  #undef CYTHON_USE_PYLONG_INTERNALS
  #define CYTHON_USE_PYLONG_INTERNALS 0
  #undef CYTHON_AVOID_BORROWED_REFS
  #define CYTHON_AVOID_BORROWED_REFS 1
  #undef CYTHON_ASSUME_SAFE_MACROS
  #define CYTHON_ASSUME_SAFE_MACROS 0
  #undef CYTHON_UNPACK_METHODS
  #define CYTHON_UNPACK_METHODS 0
  #undef CYTHON_FAST_THREAD_STATE
  #define CYTHON_FAST_THREAD_STATE 0
  #undef CYTHON_FAST_PYCALL
  #define CYTHON_FAST_PYCALL 0
  #undef CYTHON_PEP489_MULTI_PHASE_INIT
  #define CYTHON_PEP489_MULTI_PHASE_INIT 0
  #undef CYTHON_USE_TP_FINALIZE
  #define CYTHON_USE_TP_FINALIZE 0
#elif defined(PYSTON_VERSION)
  #define CYTHON_COMPILING_IN_PYPY 0
  #define CYTHON_COMPILING_IN_PYSTON 1
  #define CYTHON_COMPILING_IN_CPYTHON 0
  #ifndef CYTHON_USE_TYPE_SLOTS
    #define CYTHON_USE_TYPE_SLOTS 1
  #endif
  #undef CYTHON_USE_PYTYPE_LOOKUP
  #define CYTHON_USE_PYTYPE_LOOKUP 0
  #undef CYTHON_USE_ASYNC_SLOTS
  #define CYTHON_USE_ASYNC_SLOTS 0
  #undef CYTHON_USE_PYLIST_INTERNALS
  #define CYTHON_USE_PYLIST_INTERNALS 0
  #ifndef CYTHON_USE_UNICODE_INTERNALS
    #define CYTHON_USE_UNICODE_INTERNALS 1
  #endif
  #undef CYTHON_USE_UNICODE_WRITER
  #define CYTHON_USE_UNICODE_WRITER 0
  #undef CYTHON_USE_PYLONG_INTERNALS
  #define CYTHON_USE_PYLONG_INTERNALS 0
  #ifndef CYTHON_AVOID_BORROWED_REFS
    #define CYTHON_AVOID_BORROWED_REFS 0
  #endif
  #ifndef CYTHON_ASSUME_SAFE_MACROS
    #define CYTHON_ASSUME_SAFE_MACROS 1
  #endif
  #ifndef CYTHON_UNPACK_METHODS
    #define CYTHON_UNPACK_METHODS 1
  #endif
  #undef CYTHON_FAST_THREAD_STATE
  #define CYTHON_FAST_THREAD_STATE 0
  #undef CYTHON_FAST_PYCALL
  #define CYTHON_FAST_PYCALL 0
  #undef CYTHON_PEP489_MULTI_PHASE_INIT
  #define CYTHON_PEP489_MULTI_PHASE_INIT 0
  #undef CYTHON_USE_TP_FINALIZE
  #define CYTHON_USE_TP_FINALIZE 0
#else
  #define CYTHON_COMPILING_IN_PYPY 0
  #define CYTHON_COMPILING_IN_PYSTON 0
  #define CYTHON_COMPILING_IN_CPYTHON 1
  #ifndef CYTHON_USE_TYPE_SLOTS
    #define CYTHON_USE_TYPE_SLOTS 1
  #endif
  #if PY_VERSION_HEX < 0x02070000
    #undef CYTHON_USE_PYTYPE_LOOKUP
    #define CYTHON_USE_PYTYPE_LOOKUP 0
  #elif !defined(CYTHON_USE_PYTYPE_LOOKUP)
    #define CYTHON_USE_PYTYPE_LOOKUP 1
  #endif
  #if PY_MAJOR_VERSION < 3
    #undef CYTHON_USE_ASYNC_SLOTS
    #define CYTHON_USE_ASYNC_SLOTS 0
  #elif !defined(CYTHON_USE_ASYNC_SLOTS)
    #define CYTHON_USE_ASYNC_SLOTS 1
  #endif
  #if PY_VERSION_HEX < 0x02070000
    #undef CYTHON_USE_PYLONG_INTERNALS
    #define CYTHON_USE_PYLONG_INTERNALS 0
  #elif !defined(CYTHON_USE_PYLONG_INTERNALS)
    #define CYTHON_USE_PYLONG_INTERNALS 1
  #endif
  #ifndef CYTHON_USE_PYLIST_INTERNALS
    #define CYTHON_USE_PYLIST_INTERNALS 1
  #endif
  #ifndef CYTHON_USE_UNICODE_INTERNALS
    #define CYTHON_USE_UNICODE_INTERNALS 1
  #endif
  #if PY_VERSION_HEX < 0x030300F0
    #undef CYTHON_USE_UNICODE_WRITER
    #define CYTHON_USE_UNICODE_WRITER 0
  #elif !defined(CYTHON_USE_UNICODE_WRITER)
    #define CYTHON_USE_UNICODE_WRITER 1
  #endif
  #ifndef CYTHON_AVOID_BORROWED_REFS
    #define CYTHON_AVOID_BORROWED_REFS 0
  #endif
  #ifndef CYTHON_ASSUME_SAFE_MACROS
    #define CYTHON_ASSUME_SAFE_MACROS 1
  #endif
  #ifndef CYTHON_UNPACK_METHODS
    #define CYTHON_UNPACK_METHODS 1
  #endif
  #ifndef CYTHON_FAST_THREAD_STATE
    #define CYTHON_FAST_THREAD_STATE 1
  #endif
  #ifndef CYTHON_FAST_PYCALL
    #define CYTHON_FAST_PYCALL 1
  #endif
  #ifndef CYTHON_PEP489_MULTI_PHASE_INIT
    #define CYTHON_PEP489_MULTI_PHASE_INIT (0 && PY_VERSION_HEX >= 0x03050000)
  #endif
  #ifndef CYTHON_USE_TP_FINALIZE
    #define CYTHON_USE_TP_FINALIZE (PY_VERSION_HEX >= 0x030400a1)
  #endif
#endif
#if !defined(CYTHON_FAST_PYCCALL)
#define CYTHON_FAST_PYCCALL  (CYTHON_FAST_PYCALL && PY_VERSION_HEX >= 0x030600B1)
#endif
#if CYTHON_USE_PYLONG_INTERNALS
  #include "longintrepr.h"
  #undef SHIFT
  #undef BASE
  #undef MASK
#endif
#ifndef __has_attribute
  #define __has_attribute(x) 0
#endif
#ifndef __has_cpp_attribute
  #define __has_cpp_attribute(x) 0
#endif
#ifndef CYTHON_RESTRICT
  #if defined(__GNUC__)
    #define CYTHON_RESTRICT __restrict__
  #elif defined(_MSC_VER) && _MSC_VER >= 1400
    #define CYTHON_RESTRICT __restrict
  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
    #define CYTHON_RESTRICT restrict
  #else
    #define CYTHON_RESTRICT
  #endif
#endif
#ifndef CYTHON_UNUSED
# if defined(__GNUC__)
#   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
#     define CYTHON_UNUSED __attribute__ ((__unused__))
#   else
#     define CYTHON_UNUSED
#   endif
# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
#   define CYTHON_UNUSED __attribute__ ((__unused__))
# else
#   define CYTHON_UNUSED
# endif
#endif
#ifndef CYTHON_MAYBE_UNUSED_VAR
#  if defined(__cplusplus)
     template<class T> void CYTHON_MAYBE_UNUSED_VAR( const T& ) { }
#  else
#    define CYTHON_MAYBE_UNUSED_VAR(x) (void)(x)
#  endif
#endif
#ifndef CYTHON_NCP_UNUSED
# if CYTHON_COMPILING_IN_CPYTHON
#  define CYTHON_NCP_UNUSED
# else
#  define CYTHON_NCP_UNUSED CYTHON_UNUSED
# endif
#endif
#define __Pyx_void_to_None(void_result) ((void)(void_result), Py_INCREF(Py_None), Py_None)
#ifdef _MSC_VER
    #ifndef _MSC_STDINT_H_
        #if _MSC_VER < 1300
           typedef unsigned char     uint8_t;
           typedef unsigned int      uint32_t;
        #else
           typedef unsigned __int8   uint8_t;
           typedef unsigned __int32  uint32_t;
        #endif
    #endif
#else
   #include <stdint.h>
#endif
#ifndef CYTHON_FALLTHROUGH
  #if defined(__cplusplus) && __cplusplus >= 201103L
    #if __has_cpp_attribute(fallthrough)
      #define CYTHON_FALLTHROUGH [[fallthrough]]
    #elif __has_cpp_attribute(clang::fallthrough)
      #define CYTHON_FALLTHROUGH [[clang::fallthrough]]
    #elif __has_cpp_attribute(gnu::fallthrough)
      #define CYTHON_FALLTHROUGH [[gnu::fallthrough]]
    #endif
  #endif
  #ifndef CYTHON_FALLTHROUGH
    #if __has_attribute(fallthrough)
      #define CYTHON_FALLTHROUGH __attribute__((fallthrough))
    #else
      #define CYTHON_FALLTHROUGH
    #endif
  #endif
  #if defined(__clang__ ) && defined(__apple_build_version__)
    #if __apple_build_version__ < 7000000
      #undef  CYTHON_FALLTHROUGH
      #define CYTHON_FALLTHROUGH
    #endif
  #endif
#endif

#ifndef CYTHON_INLINE
  #if defined(__clang__)
    #define CYTHON_INLINE __inline__ __attribute__ ((__unused__))
  #elif defined(__GNUC__)
    #define CYTHON_INLINE __inline__
  #elif defined(_MSC_VER)
    #define CYTHON_INLINE __inline
  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
    #define CYTHON_INLINE inline
  #else
    #define CYTHON_INLINE
  #endif
#endif

#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600 && !defined(Py_OptimizeFlag)
  #define Py_OptimizeFlag 0
#endif
#define __PYX_BUILD_PY_SSIZE_T "n"
#define CYTHON_FORMAT_SSIZE_T "z"
#if PY_MAJOR_VERSION < 3
  #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
          PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
  #define __Pyx_DefaultClassType PyClass_Type
#else
  #define __Pyx_BUILTIN_MODULE_NAME "builtins"
  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\
          PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
  #define __Pyx_DefaultClassType PyType_Type
#endif
#ifndef Py_TPFLAGS_CHECKTYPES
  #define Py_TPFLAGS_CHECKTYPES 0
#endif
#ifndef Py_TPFLAGS_HAVE_INDEX
  #define Py_TPFLAGS_HAVE_INDEX 0
#endif
#ifndef Py_TPFLAGS_HAVE_NEWBUFFER
  #define Py_TPFLAGS_HAVE_NEWBUFFER 0
#endif
#ifndef Py_TPFLAGS_HAVE_FINALIZE
  #define Py_TPFLAGS_HAVE_FINALIZE 0
#endif
#if PY_VERSION_HEX <= 0x030700A3 || !defined(METH_FASTCALL)
  #ifndef METH_FASTCALL
     #define METH_FASTCALL 0x80
  #endif
  typedef PyObject *(*__Pyx_PyCFunctionFast) (PyObject *self, PyObject *const *args, Py_ssize_t nargs);
  typedef PyObject *(*__Pyx_PyCFunctionFastWithKeywords) (PyObject *self, PyObject *const *args,
                                                          Py_ssize_t nargs, PyObject *kwnames);
#else
  #define __Pyx_PyCFunctionFast _PyCFunctionFast
  #define __Pyx_PyCFunctionFastWithKeywords _PyCFunctionFastWithKeywords
#endif
#if CYTHON_FAST_PYCCALL
#define __Pyx_PyFastCFunction_Check(func)\
    ((PyCFunction_Check(func) && (METH_FASTCALL == (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS)))))
#else
#define __Pyx_PyFastCFunction_Check(func) 0
#endif
#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Malloc)
  #define PyObject_Malloc(s)   PyMem_Malloc(s)
  #define PyObject_Free(p)     PyMem_Free(p)
  #define PyObject_Realloc(p)  PyMem_Realloc(p)
#endif
#if CYTHON_COMPILING_IN_PYSTON
  #define __Pyx_PyCode_HasFreeVars(co)  PyCode_HasFreeVars(co)
  #define __Pyx_PyFrame_SetLineNumber(frame, lineno) PyFrame_SetLineNumber(frame, lineno)
#else
  #define __Pyx_PyCode_HasFreeVars(co)  (PyCode_GetNumFree(co) > 0)
  #define __Pyx_PyFrame_SetLineNumber(frame, lineno)  (frame)->f_lineno = (lineno)
#endif
#if !CYTHON_FAST_THREAD_STATE || PY_VERSION_HEX < 0x02070000
  #define __Pyx_PyThreadState_Current PyThreadState_GET()
#elif PY_VERSION_HEX >= 0x03060000
  #define __Pyx_PyThreadState_Current _PyThreadState_UncheckedGet()
#elif PY_VERSION_HEX >= 0x03000000
  #define __Pyx_PyThreadState_Current PyThreadState_GET()
#else
  #define __Pyx_PyThreadState_Current _PyThreadState_Current
#endif
#if PY_VERSION_HEX < 0x030700A2 && !defined(PyThread_tss_create) && !defined(Py_tss_NEEDS_INIT)
#include "pythread.h"
#define Py_tss_NEEDS_INIT 0
typedef int Py_tss_t;
static CYTHON_INLINE int PyThread_tss_create(Py_tss_t *key) {
  *key = PyThread_create_key();
  return 0; // PyThread_create_key reports success always
}
static CYTHON_INLINE Py_tss_t * PyThread_tss_alloc(void) {
  Py_tss_t *key = (Py_tss_t *)PyObject_Malloc(sizeof(Py_tss_t));
  *key = Py_tss_NEEDS_INIT;
  return key;
}
static CYTHON_INLINE void PyThread_tss_free(Py_tss_t *key) {
  PyObject_Free(key);
}
static CYTHON_INLINE int PyThread_tss_is_created(Py_tss_t *key) {
  return *key != Py_tss_NEEDS_INIT;
}
static CYTHON_INLINE void PyThread_tss_delete(Py_tss_t *key) {
  PyThread_delete_key(*key);
  *key = Py_tss_NEEDS_INIT;
}
static CYTHON_INLINE int PyThread_tss_set(Py_tss_t *key, void *value) {
  return PyThread_set_key_value(*key, value);
}
static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) {
  return PyThread_get_key_value(*key);
}
#endif // TSS (Thread Specific Storage) API
#if CYTHON_COMPILING_IN_CPYTHON || defined(_PyDict_NewPresized)
#define __Pyx_PyDict_NewPresized(n)  ((n <= 8) ? PyDict_New() : _PyDict_NewPresized(n))
#else
#define __Pyx_PyDict_NewPresized(n)  PyDict_New()
#endif
#if PY_MAJOR_VERSION >= 3 || CYTHON_FUTURE_DIVISION
  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
#else
  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
#endif
#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 && CYTHON_USE_UNICODE_INTERNALS
#define __Pyx_PyDict_GetItemStr(dict, name)  _PyDict_GetItem_KnownHash(dict, name, ((PyASCIIObject *) name)->hash)
#else
#define __Pyx_PyDict_GetItemStr(dict, name)  PyDict_GetItem(dict, name)
#endif
#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
  #define CYTHON_PEP393_ENABLED 1
  #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ?\
                                              0 : _PyUnicode_Ready((PyObject *)(op)))
  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   PyUnicode_MAX_CHAR_VALUE(u)
  #define __Pyx_PyUnicode_KIND(u)         PyUnicode_KIND(u)
  #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
  #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  PyUnicode_WRITE(k, d, i, ch)
  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u)))
#else
  #define CYTHON_PEP393_ENABLED 0
  #define PyUnicode_1BYTE_KIND  1
  #define PyUnicode_2BYTE_KIND  2
  #define PyUnicode_4BYTE_KIND  4
  #define __Pyx_PyUnicode_READY(op)       (0)
  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
  #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   ((sizeof(Py_UNICODE) == 2) ? 65535 : 1114111)
  #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
  #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
  #define __Pyx_PyUnicode_READ(k, d, i)   ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  (((void)(k)), ((Py_UNICODE*)d)[i] = ch)
  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_SIZE(u))
#endif
#if CYTHON_COMPILING_IN_PYPY
  #define __Pyx_PyUnicode_Concat(a, b)      PyNumber_Add(a, b)
  #define __Pyx_PyUnicode_ConcatSafe(a, b)  PyNumber_Add(a, b)
#else
  #define __Pyx_PyUnicode_Concat(a, b)      PyUnicode_Concat(a, b)
  #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ?\
      PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b))
#endif
#if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_Contains)
  #define PyUnicode_Contains(u, s)  PySequence_Contains(u, s)
#endif
#if CYTHON_COMPILING_IN_PYPY && !defined(PyByteArray_Check)
  #define PyByteArray_Check(obj)  PyObject_TypeCheck(obj, &PyByteArray_Type)
#endif
#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Format)
  #define PyObject_Format(obj, fmt)  PyObject_CallMethod(obj, "__format__", "O", fmt)
#endif
#define __Pyx_PyString_FormatSafe(a, b)   ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
#define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
#if PY_MAJOR_VERSION >= 3
  #define __Pyx_PyString_Format(a, b)  PyUnicode_Format(a, b)
#else
  #define __Pyx_PyString_Format(a, b)  PyString_Format(a, b)
#endif
#if PY_MAJOR_VERSION < 3 && !defined(PyObject_ASCII)
  #define PyObject_ASCII(o)            PyObject_Repr(o)
#endif
#if PY_MAJOR_VERSION >= 3
  #define PyBaseString_Type            PyUnicode_Type
  #define PyStringObject               PyUnicodeObject
  #define PyString_Type                PyUnicode_Type
  #define PyString_Check               PyUnicode_Check
  #define PyString_CheckExact          PyUnicode_CheckExact
  #define PyObject_Unicode             PyObject_Str
#endif
#if PY_MAJOR_VERSION >= 3
  #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj)
  #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj)
#else
  #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj))
  #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj))
#endif
#ifndef PySet_CheckExact
  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
#endif
#if CYTHON_ASSUME_SAFE_MACROS
  #define __Pyx_PySequence_SIZE(seq)  Py_SIZE(seq)
#else
  #define __Pyx_PySequence_SIZE(seq)  PySequence_Size(seq)
#endif
#if PY_MAJOR_VERSION >= 3
  #define PyIntObject                  PyLongObject
  #define PyInt_Type                   PyLong_Type
  #define PyInt_Check(op)              PyLong_Check(op)
  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
  #define PyInt_FromString             PyLong_FromString
  #define PyInt_FromUnicode            PyLong_FromUnicode
  #define PyInt_FromLong               PyLong_FromLong
  #define PyInt_FromSize_t             PyLong_FromSize_t
  #define PyInt_FromSsize_t            PyLong_FromSsize_t
  #define PyInt_AsLong                 PyLong_AsLong
  #define PyInt_AS_LONG                PyLong_AS_LONG
  #define PyInt_AsSsize_t              PyLong_AsSsize_t
  #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
  #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
  #define PyNumber_Int                 PyNumber_Long
#endif
#if PY_MAJOR_VERSION >= 3
  #define PyBoolObject                 PyLongObject
#endif
#if PY_MAJOR_VERSION >= 3 && CYTHON_COMPILING_IN_PYPY
  #ifndef PyUnicode_InternFromString
    #define PyUnicode_InternFromString(s) PyUnicode_FromString(s)
  #endif
#endif
#if PY_VERSION_HEX < 0x030200A4
  typedef long Py_hash_t;
  #define __Pyx_PyInt_FromHash_t PyInt_FromLong
  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
#else
  #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
  #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
#endif
#if PY_MAJOR_VERSION >= 3
  #define __Pyx_PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : (Py_INCREF(func), func))
#else
  #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass)
#endif
#if CYTHON_USE_ASYNC_SLOTS
  #if PY_VERSION_HEX >= 0x030500B1
    #define __Pyx_PyAsyncMethodsStruct PyAsyncMethods
    #define __Pyx_PyType_AsAsync(obj) (Py_TYPE(obj)->tp_as_async)
  #else
    #define __Pyx_PyType_AsAsync(obj) ((__Pyx_PyAsyncMethodsStruct*) (Py_TYPE(obj)->tp_reserved))
  #endif
#else
  #define __Pyx_PyType_AsAsync(obj) NULL
#endif
#ifndef __Pyx_PyAsyncMethodsStruct
    typedef struct {
        unaryfunc am_await;
        unaryfunc am_aiter;
        unaryfunc am_anext;
    } __Pyx_PyAsyncMethodsStruct;
#endif

#if defined(WIN32) || defined(MS_WINDOWS)
  #define _USE_MATH_DEFINES
#endif
#include <math.h>
#ifdef NAN
#define __PYX_NAN() ((float) NAN)
#else
static CYTHON_INLINE float __PYX_NAN() {
  float value;
  memset(&value, 0xFF, sizeof(value));
  return value;
}
#endif
#if defined(__CYGWIN__) && defined(_LDBL_EQ_DBL)
#define __Pyx_truncl trunc
#else
#define __Pyx_truncl truncl
#endif


#define __PYX_ERR(f_index, lineno, Ln_error) \
{ \
  __pyx_filename = __pyx_f[f_index]; __pyx_lineno = lineno; __pyx_clineno = __LINE__; goto Ln_error; \
}

#ifndef __PYX_EXTERN_C
  #ifdef __cplusplus
    #define __PYX_EXTERN_C extern "C"
  #else
    #define __PYX_EXTERN_C extern
  #endif
#endif

#define __PYX_HAVE__lakesuperior__store__base_lmdb_store
#define __PYX_HAVE_API__lakesuperior__store__base_lmdb_store
/* Early includes */
#include <stdint.h>
#include <sys/types.h>
#include "lmdb.h"
#include <errno.h>
#ifdef _OPENMP
#include <omp.h>
#endif /* _OPENMP */

#if defined(PYREX_WITHOUT_ASSERTIONS) && !defined(CYTHON_WITHOUT_ASSERTIONS)
#define CYTHON_WITHOUT_ASSERTIONS
#endif

typedef struct {PyObject **p; const char *s; const Py_ssize_t n; const char* encoding;
                const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry;

#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT 0
#define __PYX_DEFAULT_STRING_ENCODING ""
#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString
#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
#define __Pyx_uchar_cast(c) ((unsigned char)c)
#define __Pyx_long_cast(x) ((long)x)
#define __Pyx_fits_Py_ssize_t(v, type, is_signed)  (\
    (sizeof(type) < sizeof(Py_ssize_t))  ||\
    (sizeof(type) > sizeof(Py_ssize_t) &&\
          likely(v < (type)PY_SSIZE_T_MAX ||\
                 v == (type)PY_SSIZE_T_MAX)  &&\
          (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||\
                                v == (type)PY_SSIZE_T_MIN)))  ||\
    (sizeof(type) == sizeof(Py_ssize_t) &&\
          (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||\
                               v == (type)PY_SSIZE_T_MAX)))  )
#if defined (__cplusplus) && __cplusplus >= 201103L
    #include <cstdlib>
    #define __Pyx_sst_abs(value) std::abs(value)
#elif SIZEOF_INT >= SIZEOF_SIZE_T
    #define __Pyx_sst_abs(value) abs(value)
#elif SIZEOF_LONG >= SIZEOF_SIZE_T
    #define __Pyx_sst_abs(value) labs(value)
#elif defined (_MSC_VER)
    #define __Pyx_sst_abs(value) ((Py_ssize_t)_abs64(value))
#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
    #define __Pyx_sst_abs(value) llabs(value)
#elif defined (__GNUC__)
    #define __Pyx_sst_abs(value) __builtin_llabs(value)
#else
    #define __Pyx_sst_abs(value) ((value<0) ? -value : value)
#endif
static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject*);
static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
#define __Pyx_PyBytes_FromString        PyBytes_FromString
#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*);
#if PY_MAJOR_VERSION < 3
    #define __Pyx_PyStr_FromString        __Pyx_PyBytes_FromString
    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
#else
    #define __Pyx_PyStr_FromString        __Pyx_PyUnicode_FromString
    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize
#endif
#define __Pyx_PyBytes_AsWritableString(s)     ((char*) PyBytes_AS_STRING(s))
#define __Pyx_PyBytes_AsWritableSString(s)    ((signed char*) PyBytes_AS_STRING(s))
#define __Pyx_PyBytes_AsWritableUString(s)    ((unsigned char*) PyBytes_AS_STRING(s))
#define __Pyx_PyBytes_AsString(s)     ((const char*) PyBytes_AS_STRING(s))
#define __Pyx_PyBytes_AsSString(s)    ((const signed char*) PyBytes_AS_STRING(s))
#define __Pyx_PyBytes_AsUString(s)    ((const unsigned char*) PyBytes_AS_STRING(s))
#define __Pyx_PyObject_AsWritableString(s)    ((char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_AsWritableSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_AsWritableUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_AsSString(s)    ((const signed char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_AsUString(s)    ((const unsigned char*) __Pyx_PyObject_AsString(s))
#define __Pyx_PyObject_FromCString(s)  __Pyx_PyObject_FromString((const char*)s)
#define __Pyx_PyBytes_FromCString(s)   __Pyx_PyBytes_FromString((const char*)s)
#define __Pyx_PyByteArray_FromCString(s)   __Pyx_PyByteArray_FromString((const char*)s)
#define __Pyx_PyStr_FromCString(s)     __Pyx_PyStr_FromString((const char*)s)
#define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s)
static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u) {
    const Py_UNICODE *u_end = u;
    while (*u_end++) ;
    return (size_t)(u_end - u - 1);
}
#define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
#define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
#define __Pyx_NewRef(obj) (Py_INCREF(obj), obj)
#define __Pyx_Owned_Py_None(b) __Pyx_NewRef(Py_None)
static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b);
static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x);
#define __Pyx_PySequence_Tuple(obj)\
    (likely(PyTuple_CheckExact(obj)) ? __Pyx_NewRef(obj) : PySequence_Tuple(obj))
static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
#if CYTHON_ASSUME_SAFE_MACROS
#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
#else
#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
#endif
#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
#if PY_MAJOR_VERSION >= 3
#define __Pyx_PyNumber_Int(x) (PyLong_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Long(x))
#else
#define __Pyx_PyNumber_Int(x) (PyInt_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Int(x))
#endif
#define __Pyx_PyNumber_Float(x) (PyFloat_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Float(x))
#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
static int __Pyx_sys_getdefaultencoding_not_ascii;
static int __Pyx_init_sys_getdefaultencoding_params(void) {
    PyObject* sys;
    PyObject* default_encoding = NULL;
    PyObject* ascii_chars_u = NULL;
    PyObject* ascii_chars_b = NULL;
    const char* default_encoding_c;
    sys = PyImport_ImportModule("sys");
    if (!sys) goto bad;
    default_encoding = PyObject_CallMethod(sys, (char*) "getdefaultencoding", NULL);
    Py_DECREF(sys);
    if (!default_encoding) goto bad;
    default_encoding_c = PyBytes_AsString(default_encoding);
    if (!default_encoding_c) goto bad;
    if (strcmp(default_encoding_c, "ascii") == 0) {
        __Pyx_sys_getdefaultencoding_not_ascii = 0;
    } else {
        char ascii_chars[128];
        int c;
        for (c = 0; c < 128; c++) {
            ascii_chars[c] = c;
        }
        __Pyx_sys_getdefaultencoding_not_ascii = 1;
        ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
        if (!ascii_chars_u) goto bad;
        ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL);
        if (!ascii_chars_b || !PyBytes_Check(ascii_chars_b) || memcmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) {
            PyErr_Format(
                PyExc_ValueError,
                "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.",
                default_encoding_c);
            goto bad;
        }
        Py_DECREF(ascii_chars_u);
        Py_DECREF(ascii_chars_b);
    }
    Py_DECREF(default_encoding);
    return 0;
bad:
    Py_XDECREF(default_encoding);
    Py_XDECREF(ascii_chars_u);
    Py_XDECREF(ascii_chars_b);
    return -1;
}
#endif
#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3
#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
#else
#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
static char* __PYX_DEFAULT_STRING_ENCODING;
static int __Pyx_init_sys_getdefaultencoding_params(void) {
    PyObject* sys;
    PyObject* default_encoding = NULL;
    char* default_encoding_c;
    sys = PyImport_ImportModule("sys");
    if (!sys) goto bad;
    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
    Py_DECREF(sys);
    if (!default_encoding) goto bad;
    default_encoding_c = PyBytes_AsString(default_encoding);
    if (!default_encoding_c) goto bad;
    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c));
    if (!__PYX_DEFAULT_STRING_ENCODING) goto bad;
    strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
    Py_DECREF(default_encoding);
    return 0;
bad:
    Py_XDECREF(default_encoding);
    return -1;
}
#endif
#endif


/* Test for GCC > 2.95 */
#if defined(__GNUC__)     && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95)))
  #define likely(x)   __builtin_expect(!!(x), 1)
  #define unlikely(x) __builtin_expect(!!(x), 0)
#else /* !__GNUC__ or GCC < 2.95 */
  #define likely(x)   (x)
  #define unlikely(x) (x)
#endif /* __GNUC__ */
static CYTHON_INLINE void __Pyx_pretend_to_initialize(void* ptr) { (void)ptr; }

static PyObject *__pyx_m = NULL;
static PyObject *__pyx_d;
static PyObject *__pyx_b;
static PyObject *__pyx_cython_runtime = NULL;
static PyObject *__pyx_empty_tuple;
static PyObject *__pyx_empty_bytes;
static PyObject *__pyx_empty_unicode;
static int __pyx_lineno;
static int __pyx_clineno = 0;
static const char * __pyx_cfilenm= __FILE__;
static const char *__pyx_filename;


static const char *__pyx_f[] = {
  "lakesuperior/store/base_lmdb_store.pyx",
  "stringsource",
  "lakesuperior/store/base_lmdb_store.pxd",
};

/*--- Type declarations ---*/
struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore;
struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx;
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store__check;
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__init_dbis;
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__txn_begin;
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__key_exists;
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__cur_open;
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_dbi;
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__put;
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__get_data;
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__delete;
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_close_env;
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_destroy;
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_data;

/* "lakesuperior/store/base_lmdb_store.pxd":10
 *     lmdb.MDB_dbi dbi
 * 
 *     void _check(int rc, str message=*) except *             # <<<<<<<<<<<<<<
 * 
 * 
 */
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store__check {
  int __pyx_n;
  PyObject *message;
};

/* "lakesuperior/store/base_lmdb_store.pxd":26
 *         void _clear_stale_readers(self) except *
 *         void _cur_close(self, lmdb.MDB_cursor *cur) except *
 *         void _init_dbis(self, create=*) except *             # <<<<<<<<<<<<<<
 *         void _txn_begin(self, write=*, lmdb.MDB_txn *parent=*) except *
 *         void _txn_commit(self) except *
 */
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__init_dbis {
  int __pyx_n;
  PyObject *create;
};

/* "lakesuperior/store/base_lmdb_store.pxd":27
 *         void _cur_close(self, lmdb.MDB_cursor *cur) except *
 *         void _init_dbis(self, create=*) except *
 *         void _txn_begin(self, write=*, lmdb.MDB_txn *parent=*) except *             # <<<<<<<<<<<<<<
 *         void _txn_commit(self) except *
 *         void _txn_abort(self) except *
 */
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__txn_begin {
  int __pyx_n;
  PyObject *write;
  MDB_txn *parent;
};

/* "lakesuperior/store/base_lmdb_store.pxd":30
 *         void _txn_commit(self) except *
 *         void _txn_abort(self) except *
 *         inline bint _key_exists(             # <<<<<<<<<<<<<<
 *             self, unsigned char *key, unsigned char klen,
 *             unsigned char *dblabel=*) except -1
 */
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__key_exists {
  int __pyx_n;
  unsigned char *dblabel;
};

/* "lakesuperior/store/base_lmdb_store.pxd":35
 * 
 *         size_t _txn_id(self) except -1
 *         lmdb.MDB_cursor *_cur_open(             # <<<<<<<<<<<<<<
 *                 self, unsigned char *dblabel=*, lmdb.MDB_txn *txn=*) except *
 * 
 */
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__cur_open {
  int __pyx_n;
  unsigned char *dblabel;
  MDB_txn *txn;
};

/* "lakesuperior/store/base_lmdb_store.pxd":38
 *                 self, unsigned char *dblabel=*, lmdb.MDB_txn *txn=*) except *
 * 
 *         lmdb.MDB_dbi get_dbi(             # <<<<<<<<<<<<<<
 *                 self, unsigned char *dblabel=*, lmdb.MDB_txn *txn=*)
 * 
 */
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_dbi {
  int __pyx_n;
  unsigned char *dblabel;
  MDB_txn *txn;
};

/* "lakesuperior/store/base_lmdb_store.pxd":41
 *                 self, unsigned char *dblabel=*, lmdb.MDB_txn *txn=*)
 * 
 *         void _put(             # <<<<<<<<<<<<<<
 *                 self, unsigned char *key, size_t key_size, unsigned char *data,
 *                 size_t data_size, unsigned char *dblabel=*,
 */
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__put {
  int __pyx_n;
  unsigned char *dblabel;
  MDB_txn *txn;
  unsigned int flags;
};

/* "lakesuperior/store/base_lmdb_store.pxd":46
 *                 lmdb.MDB_txn *txn=*, unsigned int flags=*) except *
 * 
 *         void _get_data(             # <<<<<<<<<<<<<<
 *                 self, unsigned char *key, size_t klen, lmdb.MDB_val *rv,
 *                 unsigned char *dblabel=*) except *
 */
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__get_data {
  int __pyx_n;
  unsigned char *dblabel;
};

/* "lakesuperior/store/base_lmdb_store.pxd":50
 *                 unsigned char *dblabel=*) except *
 * 
 *         void _delete(             # <<<<<<<<<<<<<<
 *                 self, unsigned char *key, size_t klen,
 *                 unsigned char *dblabel=*) except *
 */
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__delete {
  int __pyx_n;
  unsigned char *dblabel;
};

/* "lakesuperior/store/base_lmdb_store.pxd":57
 *         #int _reader_list_callback(self, const unsigned char *msg, void *str_)
 * 
 *     cpdef void close_env(self, bint commit_pending_transaction=*) except *             # <<<<<<<<<<<<<<
 *     cpdef void destroy(self, _path=*) except *
 *     #cpdef get_dup_data(self, unsigned char *key, db=*)
 */
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_close_env {
  int __pyx_n;
  int commit_pending_transaction;
};

/* "lakesuperior/store/base_lmdb_store.pxd":58
 * 
 *     cpdef void close_env(self, bint commit_pending_transaction=*) except *
 *     cpdef void destroy(self, _path=*) except *             # <<<<<<<<<<<<<<
 *     #cpdef get_dup_data(self, unsigned char *key, db=*)
 *     #cpdef get_all_pairs(self, db=*)
 */
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_destroy {
  int __pyx_n;
  PyObject *_path;
};

/* "lakesuperior/store/base_lmdb_store.pxd":61
 *     #cpdef get_dup_data(self, unsigned char *key, db=*)
 *     #cpdef get_all_pairs(self, db=*)
 *     cpdef bytes get_data(self, key, dblabel=*)             # <<<<<<<<<<<<<<
 *     cpdef dict stats(self)
 *     cpdef int txn_id(self)
 */
struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_data {
  int __pyx_n;
  PyObject *dblabel;
};

/* "lakesuperior/store/base_lmdb_store.pxd":13
 * 
 * 
 * cdef class BaseLmdbStore:             # <<<<<<<<<<<<<<
 *     cdef:
 *         readonly bint is_txn_open
 */
struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore {
  PyObject_HEAD
  struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_vtab;
  int is_txn_open;
  int _open;
  unsigned int _readers;
  PyObject *env_path;
  MDB_dbi *dbis;
  MDB_env *dbenv;
  MDB_txn *txn;
  MDB_cursor **curs;
};


/* "lakesuperior/store/base_lmdb_store.pyx":334
 * 
 *     @contextmanager
 *     def txn_ctx(self, write=False):             # <<<<<<<<<<<<<<
 *         """
 *         Transaction context manager.
 */
struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx {
  PyObject_HEAD
  struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self;
  PyObject *__pyx_v_write;
  PyObject *__pyx_t_0;
  PyObject *__pyx_t_1;
  PyObject *__pyx_t_2;
};



/* "lakesuperior/store/base_lmdb_store.pyx":49
 * 
 * 
 * cdef class BaseLmdbStore:             # <<<<<<<<<<<<<<
 *     """
 *     Generic LMDB store abstract class.
 */

struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore {
  void (*_clear_stale_readers)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *);
  void (*_cur_close)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, MDB_cursor *);
  void (*_init_dbis)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__init_dbis *__pyx_optional_args);
  void (*_txn_begin)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__txn_begin *__pyx_optional_args);
  void (*_txn_commit)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *);
  void (*_txn_abort)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *);
  int (*_key_exists)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, unsigned char *, unsigned char, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__key_exists *__pyx_optional_args);
  size_t (*_txn_id)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *);
  MDB_cursor *(*_cur_open)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__cur_open *__pyx_optional_args);
  MDB_dbi (*get_dbi)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_dbi *__pyx_optional_args);
  void (*_put)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, unsigned char *, size_t, unsigned char *, size_t, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__put *__pyx_optional_args);
  void (*_get_data)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, unsigned char *, size_t, struct MDB_val *, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__get_data *__pyx_optional_args);
  void (*_delete)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, unsigned char *, size_t, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__delete *__pyx_optional_args);
  PyObject *(*_stats)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *);
  void (*close_env)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, int __pyx_skip_dispatch, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_close_env *__pyx_optional_args);
  void (*destroy)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, int __pyx_skip_dispatch, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_destroy *__pyx_optional_args);
  PyObject *(*get_data)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, PyObject *, int __pyx_skip_dispatch, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_data *__pyx_optional_args);
  PyObject *(*stats)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, int __pyx_skip_dispatch);
  int (*txn_id)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, int __pyx_skip_dispatch);
};
static struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_vtabptr_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore;
static CYTHON_INLINE int __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__key_exists(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, unsigned char *, unsigned char, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__key_exists *__pyx_optional_args);

/* --- Runtime support code (head) --- */
/* Refnanny.proto */
#ifndef CYTHON_REFNANNY
  #define CYTHON_REFNANNY 0
#endif
#if CYTHON_REFNANNY
  typedef struct {
    void (*INCREF)(void*, PyObject*, int);
    void (*DECREF)(void*, PyObject*, int);
    void (*GOTREF)(void*, PyObject*, int);
    void (*GIVEREF)(void*, PyObject*, int);
    void* (*SetupContext)(const char*, int, const char*);
    void (*FinishContext)(void**);
  } __Pyx_RefNannyAPIStruct;
  static __Pyx_RefNannyAPIStruct *__Pyx_RefNanny = NULL;
  static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname);
  #define __Pyx_RefNannyDeclarations void *__pyx_refnanny = NULL;
#ifdef WITH_THREAD
  #define __Pyx_RefNannySetupContext(name, acquire_gil)\
          if (acquire_gil) {\
              PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();\
              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__);\
              PyGILState_Release(__pyx_gilstate_save);\
          } else {\
              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__);\
          }
#else
  #define __Pyx_RefNannySetupContext(name, acquire_gil)\
          __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__)
#endif
  #define __Pyx_RefNannyFinishContext()\
          __Pyx_RefNanny->FinishContext(&__pyx_refnanny)
  #define __Pyx_INCREF(r)  __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
  #define __Pyx_DECREF(r)  __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
  #define __Pyx_GOTREF(r)  __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
  #define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
  #define __Pyx_XINCREF(r)  do { if((r) != NULL) {__Pyx_INCREF(r); }} while(0)
  #define __Pyx_XDECREF(r)  do { if((r) != NULL) {__Pyx_DECREF(r); }} while(0)
  #define __Pyx_XGOTREF(r)  do { if((r) != NULL) {__Pyx_GOTREF(r); }} while(0)
  #define __Pyx_XGIVEREF(r) do { if((r) != NULL) {__Pyx_GIVEREF(r);}} while(0)
#else
  #define __Pyx_RefNannyDeclarations
  #define __Pyx_RefNannySetupContext(name, acquire_gil)
  #define __Pyx_RefNannyFinishContext()
  #define __Pyx_INCREF(r) Py_INCREF(r)
  #define __Pyx_DECREF(r) Py_DECREF(r)
  #define __Pyx_GOTREF(r)
  #define __Pyx_GIVEREF(r)
  #define __Pyx_XINCREF(r) Py_XINCREF(r)
  #define __Pyx_XDECREF(r) Py_XDECREF(r)
  #define __Pyx_XGOTREF(r)
  #define __Pyx_XGIVEREF(r)
#endif
#define __Pyx_XDECREF_SET(r, v) do {\
        PyObject *tmp = (PyObject *) r;\
        r = v; __Pyx_XDECREF(tmp);\
    } while (0)
#define __Pyx_DECREF_SET(r, v) do {\
        PyObject *tmp = (PyObject *) r;\
        r = v; __Pyx_DECREF(tmp);\
    } while (0)
#define __Pyx_CLEAR(r)    do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0)
#define __Pyx_XCLEAR(r)   do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0)

/* PyObjectGetAttrStr.proto */
#if CYTHON_USE_TYPE_SLOTS
static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name);
#else
#define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n)
#endif

/* GetBuiltinName.proto */
static PyObject *__Pyx_GetBuiltinName(PyObject *name);

/* PyThreadStateGet.proto */
#if CYTHON_FAST_THREAD_STATE
#define __Pyx_PyThreadState_declare  PyThreadState *__pyx_tstate;
#define __Pyx_PyThreadState_assign  __pyx_tstate = __Pyx_PyThreadState_Current;
#define __Pyx_PyErr_Occurred()  __pyx_tstate->curexc_type
#else
#define __Pyx_PyThreadState_declare
#define __Pyx_PyThreadState_assign
#define __Pyx_PyErr_Occurred()  PyErr_Occurred()
#endif

/* PyErrFetchRestore.proto */
#if CYTHON_FAST_THREAD_STATE
#define __Pyx_PyErr_Clear() __Pyx_ErrRestore(NULL, NULL, NULL)
#define __Pyx_ErrRestoreWithState(type, value, tb)  __Pyx_ErrRestoreInState(PyThreadState_GET(), type, value, tb)
#define __Pyx_ErrFetchWithState(type, value, tb)    __Pyx_ErrFetchInState(PyThreadState_GET(), type, value, tb)
#define __Pyx_ErrRestore(type, value, tb)  __Pyx_ErrRestoreInState(__pyx_tstate, type, value, tb)
#define __Pyx_ErrFetch(type, value, tb)    __Pyx_ErrFetchInState(__pyx_tstate, type, value, tb)
static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb);
static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
#if CYTHON_COMPILING_IN_CPYTHON
#define __Pyx_PyErr_SetNone(exc) (Py_INCREF(exc), __Pyx_ErrRestore((exc), NULL, NULL))
#else
#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
#endif
#else
#define __Pyx_PyErr_Clear() PyErr_Clear()
#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc)
#define __Pyx_ErrRestoreWithState(type, value, tb)  PyErr_Restore(type, value, tb)
#define __Pyx_ErrFetchWithState(type, value, tb)  PyErr_Fetch(type, value, tb)
#define __Pyx_ErrRestoreInState(tstate, type, value, tb)  PyErr_Restore(type, value, tb)
#define __Pyx_ErrFetchInState(tstate, type, value, tb)  PyErr_Fetch(type, value, tb)
#define __Pyx_ErrRestore(type, value, tb)  PyErr_Restore(type, value, tb)
#define __Pyx_ErrFetch(type, value, tb)  PyErr_Fetch(type, value, tb)
#endif

/* Profile.proto */
#ifndef CYTHON_PROFILE
#if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_PYSTON
  #define CYTHON_PROFILE 0
#else
  #define CYTHON_PROFILE 1
#endif
#endif
#ifndef CYTHON_TRACE_NOGIL
  #define CYTHON_TRACE_NOGIL 0
#else
  #if CYTHON_TRACE_NOGIL && !defined(CYTHON_TRACE)
    #define CYTHON_TRACE 1
  #endif
#endif
#ifndef CYTHON_TRACE
  #define CYTHON_TRACE 0
#endif
#if CYTHON_TRACE
  #undef CYTHON_PROFILE_REUSE_FRAME
#endif
#ifndef CYTHON_PROFILE_REUSE_FRAME
  #define CYTHON_PROFILE_REUSE_FRAME 0
#endif
#if CYTHON_PROFILE || CYTHON_TRACE
  #include "compile.h"
  #include "frameobject.h"
  #include "traceback.h"
  #if CYTHON_PROFILE_REUSE_FRAME
    #define CYTHON_FRAME_MODIFIER static
    #define CYTHON_FRAME_DEL(frame)
  #else
    #define CYTHON_FRAME_MODIFIER
    #define CYTHON_FRAME_DEL(frame) Py_CLEAR(frame)
  #endif
  #define __Pyx_TraceDeclarations\
  static PyCodeObject *__pyx_frame_code = NULL;\
  CYTHON_FRAME_MODIFIER PyFrameObject *__pyx_frame = NULL;\
  int __Pyx_use_tracing = 0;
  #define __Pyx_TraceFrameInit(codeobj)\
  if (codeobj) __pyx_frame_code = (PyCodeObject*) codeobj;
  #ifdef WITH_THREAD
  #define __Pyx_TraceCall(funcname, srcfile, firstlineno, nogil, goto_error)\
  if (nogil) {\
      if (CYTHON_TRACE_NOGIL) {\
          PyThreadState *tstate;\
          PyGILState_STATE state = PyGILState_Ensure();\
          tstate = __Pyx_PyThreadState_Current;\
          if (unlikely(tstate->use_tracing) && !tstate->tracing &&\
                  (tstate->c_profilefunc || (CYTHON_TRACE && tstate->c_tracefunc))) {\
              __Pyx_use_tracing = __Pyx_TraceSetupAndCall(&__pyx_frame_code, &__pyx_frame, tstate, funcname, srcfile, firstlineno);\
          }\
          PyGILState_Release(state);\
          if (unlikely(__Pyx_use_tracing < 0)) goto_error;\
      }\
  } else {\
      PyThreadState* tstate = PyThreadState_GET();\
      if (unlikely(tstate->use_tracing) && !tstate->tracing &&\
              (tstate->c_profilefunc || (CYTHON_TRACE && tstate->c_tracefunc))) {\
          __Pyx_use_tracing = __Pyx_TraceSetupAndCall(&__pyx_frame_code, &__pyx_frame, tstate, funcname, srcfile, firstlineno);\
          if (unlikely(__Pyx_use_tracing < 0)) goto_error;\
      }\
  }
  #else
  #define __Pyx_TraceCall(funcname, srcfile, firstlineno, nogil, goto_error)\
  {   PyThreadState* tstate = PyThreadState_GET();\
      if (unlikely(tstate->use_tracing) && !tstate->tracing &&\
              (tstate->c_profilefunc || (CYTHON_TRACE && tstate->c_tracefunc))) {\
          __Pyx_use_tracing = __Pyx_TraceSetupAndCall(&__pyx_frame_code, &__pyx_frame, tstate, funcname, srcfile, firstlineno);\
          if (unlikely(__Pyx_use_tracing < 0)) goto_error;\
      }\
  }
  #endif
  #define __Pyx_TraceException()\
  if (likely(!__Pyx_use_tracing)); else {\
      PyThreadState* tstate = __Pyx_PyThreadState_Current;\
      if (tstate->use_tracing &&\
              (tstate->c_profilefunc || (CYTHON_TRACE && tstate->c_tracefunc))) {\
          tstate->tracing++;\
          tstate->use_tracing = 0;\
          PyObject *exc_info = __Pyx_GetExceptionTuple(tstate);\
          if (exc_info) {\
              if (CYTHON_TRACE && tstate->c_tracefunc)\
                  tstate->c_tracefunc(\
                      tstate->c_traceobj, __pyx_frame, PyTrace_EXCEPTION, exc_info);\
              tstate->c_profilefunc(\
                  tstate->c_profileobj, __pyx_frame, PyTrace_EXCEPTION, exc_info);\
              Py_DECREF(exc_info);\
          }\
          tstate->use_tracing = 1;\
          tstate->tracing--;\
      }\
  }
  static void __Pyx_call_return_trace_func(PyThreadState *tstate, PyFrameObject *frame, PyObject *result) {
      PyObject *type, *value, *traceback;
      __Pyx_ErrFetchInState(tstate, &type, &value, &traceback);
      tstate->tracing++;
      tstate->use_tracing = 0;
      if (CYTHON_TRACE && tstate->c_tracefunc)
          tstate->c_tracefunc(tstate->c_traceobj, frame, PyTrace_RETURN, result);
      if (tstate->c_profilefunc)
          tstate->c_profilefunc(tstate->c_profileobj, frame, PyTrace_RETURN, result);
      CYTHON_FRAME_DEL(frame);
      tstate->use_tracing = 1;
      tstate->tracing--;
      __Pyx_ErrRestoreInState(tstate, type, value, traceback);
  }
  #ifdef WITH_THREAD
  #define __Pyx_TraceReturn(result, nogil)\
  if (likely(!__Pyx_use_tracing)); else {\
      if (nogil) {\
          if (CYTHON_TRACE_NOGIL) {\
              PyThreadState *tstate;\
              PyGILState_STATE state = PyGILState_Ensure();\
              tstate = __Pyx_PyThreadState_Current;\
              if (tstate->use_tracing) {\
                  __Pyx_call_return_trace_func(tstate, __pyx_frame, (PyObject*)result);\
              }\
              PyGILState_Release(state);\
          }\
      } else {\
          PyThreadState* tstate = __Pyx_PyThreadState_Current;\
          if (tstate->use_tracing) {\
              __Pyx_call_return_trace_func(tstate, __pyx_frame, (PyObject*)result);\
          }\
      }\
  }
  #else
  #define __Pyx_TraceReturn(result, nogil)\
  if (likely(!__Pyx_use_tracing)); else {\
      PyThreadState* tstate = __Pyx_PyThreadState_Current;\
      if (tstate->use_tracing) {\
          __Pyx_call_return_trace_func(tstate, __pyx_frame, (PyObject*)result);\
      }\
  }
  #endif
  static PyCodeObject *__Pyx_createFrameCodeObject(const char *funcname, const char *srcfile, int firstlineno);
  static int __Pyx_TraceSetupAndCall(PyCodeObject** code, PyFrameObject** frame, PyThreadState* tstate, const char *funcname, const char *srcfile, int firstlineno);
#else
  #define __Pyx_TraceDeclarations
  #define __Pyx_TraceFrameInit(codeobj)
  #define __Pyx_TraceCall(funcname, srcfile, firstlineno, nogil, goto_error)   if ((1)); else goto_error;
  #define __Pyx_TraceException()
  #define __Pyx_TraceReturn(result, nogil)
#endif
#if CYTHON_TRACE
  static int __Pyx_call_line_trace_func(PyThreadState *tstate, PyFrameObject *frame, int lineno) {
      int ret;
      PyObject *type, *value, *traceback;
      __Pyx_ErrFetchInState(tstate, &type, &value, &traceback);
      __Pyx_PyFrame_SetLineNumber(frame, lineno);
      tstate->tracing++;
      tstate->use_tracing = 0;
      ret = tstate->c_tracefunc(tstate->c_traceobj, frame, PyTrace_LINE, NULL);
      tstate->use_tracing = 1;
      tstate->tracing--;
      if (likely(!ret)) {
          __Pyx_ErrRestoreInState(tstate, type, value, traceback);
      } else {
          Py_XDECREF(type);
          Py_XDECREF(value);
          Py_XDECREF(traceback);
      }
      return ret;
  }
  #ifdef WITH_THREAD
  #define __Pyx_TraceLine(lineno, nogil, goto_error)\
  if (likely(!__Pyx_use_tracing)); else {\
      if (nogil) {\
          if (CYTHON_TRACE_NOGIL) {\
              int ret = 0;\
              PyThreadState *tstate;\
              PyGILState_STATE state = PyGILState_Ensure();\
              tstate = __Pyx_PyThreadState_Current;\
              if (unlikely(tstate->use_tracing && tstate->c_tracefunc && __pyx_frame->f_trace)) {\
                  ret = __Pyx_call_line_trace_func(tstate, __pyx_frame, lineno);\
              }\
              PyGILState_Release(state);\
              if (unlikely(ret)) goto_error;\
          }\
      } else {\
          PyThreadState* tstate = __Pyx_PyThreadState_Current;\
          if (unlikely(tstate->use_tracing && tstate->c_tracefunc && __pyx_frame->f_trace)) {\
              int ret = __Pyx_call_line_trace_func(tstate, __pyx_frame, lineno);\
              if (unlikely(ret)) goto_error;\
          }\
      }\
  }
  #else
  #define __Pyx_TraceLine(lineno, nogil, goto_error)\
  if (likely(!__Pyx_use_tracing)); else {\
      PyThreadState* tstate = __Pyx_PyThreadState_Current;\
      if (unlikely(tstate->use_tracing && tstate->c_tracefunc && __pyx_frame->f_trace)) {\
          int ret = __Pyx_call_line_trace_func(tstate, __pyx_frame, lineno);\
          if (unlikely(ret)) goto_error;\
      }\
  }
  #endif
#else
  #define __Pyx_TraceLine(lineno, nogil, goto_error)   if ((1)); else goto_error;
#endif

/* GetModuleGlobalName.proto */
static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name);

/* PyCFunctionFastCall.proto */
#if CYTHON_FAST_PYCCALL
static CYTHON_INLINE PyObject *__Pyx_PyCFunction_FastCall(PyObject *func, PyObject **args, Py_ssize_t nargs);
#else
#define __Pyx_PyCFunction_FastCall(func, args, nargs)  (assert(0), NULL)
#endif

/* PyFunctionFastCall.proto */
#if CYTHON_FAST_PYCALL
#define __Pyx_PyFunction_FastCall(func, args, nargs)\
    __Pyx_PyFunction_FastCallDict((func), (args), (nargs), NULL)
#if 1 || PY_VERSION_HEX < 0x030600B1
static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, int nargs, PyObject *kwargs);
#else
#define __Pyx_PyFunction_FastCallDict(func, args, nargs, kwargs) _PyFunction_FastCallDict(func, args, nargs, kwargs)
#endif
#endif

/* PyObjectCall.proto */
#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw);
#else
#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw)
#endif

/* PyObjectCallMethO.proto */
#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg);
#endif

/* PyObjectCallOneArg.proto */
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg);

/* PyObjectCallNoArg.proto */
#if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func);
#else
#define __Pyx_PyObject_CallNoArg(func) __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL)
#endif

/* RaiseException.proto */
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause);

/* IncludeStringH.proto */
#include <string.h>

/* decode_c_string_utf16.proto */
static CYTHON_INLINE PyObject *__Pyx_PyUnicode_DecodeUTF16(const char *s, Py_ssize_t size, const char *errors) {
    int byteorder = 0;
    return PyUnicode_DecodeUTF16(s, size, errors, &byteorder);
}
static CYTHON_INLINE PyObject *__Pyx_PyUnicode_DecodeUTF16LE(const char *s, Py_ssize_t size, const char *errors) {
    int byteorder = -1;
    return PyUnicode_DecodeUTF16(s, size, errors, &byteorder);
}
static CYTHON_INLINE PyObject *__Pyx_PyUnicode_DecodeUTF16BE(const char *s, Py_ssize_t size, const char *errors) {
    int byteorder = 1;
    return PyUnicode_DecodeUTF16(s, size, errors, &byteorder);
}

/* decode_c_string.proto */
static CYTHON_INLINE PyObject* __Pyx_decode_c_string(
         const char* cstring, Py_ssize_t start, Py_ssize_t stop,
         const char* encoding, const char* errors,
         PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors));

/* RaiseDoubleKeywords.proto */
static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name);

/* ParseKeywords.proto */
static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[],\
    PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args,\
    const char* function_name);

/* RaiseArgTupleInvalid.proto */
static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
    Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found);

/* WriteUnraisableException.proto */
static void __Pyx_WriteUnraisable(const char *name, int clineno,
                                  int lineno, const char *filename,
                                  int full_traceback, int nogil);

/* SaveResetException.proto */
#if CYTHON_FAST_THREAD_STATE
#define __Pyx_ExceptionSave(type, value, tb)  __Pyx__ExceptionSave(__pyx_tstate, type, value, tb)
static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
#define __Pyx_ExceptionReset(type, value, tb)  __Pyx__ExceptionReset(__pyx_tstate, type, value, tb)
static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb);
#else
#define __Pyx_ExceptionSave(type, value, tb)   PyErr_GetExcInfo(type, value, tb)
#define __Pyx_ExceptionReset(type, value, tb)  PyErr_SetExcInfo(type, value, tb)
#endif

/* PyErrExceptionMatches.proto */
#if CYTHON_FAST_THREAD_STATE
#define __Pyx_PyErr_ExceptionMatches(err) __Pyx_PyErr_ExceptionMatchesInState(__pyx_tstate, err)
static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err);
#else
#define __Pyx_PyErr_ExceptionMatches(err)  PyErr_ExceptionMatches(err)
#endif

/* GetException.proto */
#if CYTHON_FAST_THREAD_STATE
#define __Pyx_GetException(type, value, tb)  __Pyx__GetException(__pyx_tstate, type, value, tb)
static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
#else
static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb);
#endif

/* SwapException.proto */
#if CYTHON_FAST_THREAD_STATE
#define __Pyx_ExceptionSwap(type, value, tb)  __Pyx__ExceptionSwap(__pyx_tstate, type, value, tb)
static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
#else
static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb);
#endif

/* PyUnicode_Unicode.proto */
static CYTHON_INLINE PyObject* __Pyx_PyUnicode_Unicode(PyObject *obj);

/* JoinPyUnicode.proto */
static PyObject* __Pyx_PyUnicode_Join(PyObject* value_tuple, Py_ssize_t value_count, Py_ssize_t result_ulength,
                                      Py_UCS4 max_char);

/* PyObjectFormatSimple.proto */
#if CYTHON_COMPILING_IN_PYPY
    #define __Pyx_PyObject_FormatSimple(s, f) (\
        likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\
        PyObject_Format(s, f))
#elif PY_MAJOR_VERSION < 3
    #define __Pyx_PyObject_FormatSimple(s, f) (\
        likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\
        likely(PyString_CheckExact(s)) ? PyUnicode_FromEncodedObject(s, NULL, "strict") :\
        PyObject_Format(s, f))
#elif CYTHON_USE_TYPE_SLOTS
    #define __Pyx_PyObject_FormatSimple(s, f) (\
        likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\
        likely(PyLong_CheckExact(s)) ? PyLong_Type.tp_str(s) :\
        likely(PyFloat_CheckExact(s)) ? PyFloat_Type.tp_str(s) :\
        PyObject_Format(s, f))
#else
    #define __Pyx_PyObject_FormatSimple(s, f) (\
        likely(PyUnicode_CheckExact(s)) ? (Py_INCREF(s), s) :\
        PyObject_Format(s, f))
#endif

/* FastTypeChecks.proto */
#if CYTHON_COMPILING_IN_CPYTHON
#define __Pyx_TypeCheck(obj, type) __Pyx_IsSubtype(Py_TYPE(obj), (PyTypeObject *)type)
static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b);
static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject *type);
static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *type1, PyObject *type2);
#else
#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
#define __Pyx_PyErr_GivenExceptionMatches(err, type) PyErr_GivenExceptionMatches(err, type)
#define __Pyx_PyErr_GivenExceptionMatches2(err, type1, type2) (PyErr_GivenExceptionMatches(err, type1) || PyErr_GivenExceptionMatches(err, type2))
#endif
#define __Pyx_PyException_Check(obj) __Pyx_TypeCheck(obj, PyExc_Exception)

/* PyObjectSetAttrStr.proto */
#if CYTHON_USE_TYPE_SLOTS
#define __Pyx_PyObject_DelAttrStr(o,n) __Pyx_PyObject_SetAttrStr(o, n, NULL)
static CYTHON_INLINE int __Pyx_PyObject_SetAttrStr(PyObject* obj, PyObject* attr_name, PyObject* value);
#else
#define __Pyx_PyObject_DelAttrStr(o,n)   PyObject_DelAttr(o,n)
#define __Pyx_PyObject_SetAttrStr(o,n,v) PyObject_SetAttr(o,n,v)
#endif

/* PyObjectLookupSpecial.proto */
#if CYTHON_USE_PYTYPE_LOOKUP && CYTHON_USE_TYPE_SLOTS
static CYTHON_INLINE PyObject* __Pyx_PyObject_LookupSpecial(PyObject* obj, PyObject* attr_name) {
    PyObject *res;
    PyTypeObject *tp = Py_TYPE(obj);
#if PY_MAJOR_VERSION < 3
    if (unlikely(PyInstance_Check(obj)))
        return __Pyx_PyObject_GetAttrStr(obj, attr_name);
#endif
    res = _PyType_Lookup(tp, attr_name);
    if (likely(res)) {
        descrgetfunc f = Py_TYPE(res)->tp_descr_get;
        if (!f) {
            Py_INCREF(res);
        } else {
            res = f(res, obj, (PyObject *)tp);
        }
    } else {
        PyErr_SetObject(PyExc_AttributeError, attr_name);
    }
    return res;
}
#else
#define __Pyx_PyObject_LookupSpecial(o,n) __Pyx_PyObject_GetAttrStr(o,n)
#endif

/* PyIntBinop.proto */
#if !CYTHON_COMPILING_IN_PYPY
static PyObject* __Pyx_PyInt_AddObjC(PyObject *op1, PyObject *op2, long intval, int inplace);
#else
#define __Pyx_PyInt_AddObjC(op1, op2, intval, inplace)\
    (inplace ? PyNumber_InPlaceAdd(op1, op2) : PyNumber_Add(op1, op2))
#endif

/* DictGetItem.proto */
#if PY_MAJOR_VERSION >= 3 && !CYTHON_COMPILING_IN_PYPY
static PyObject *__Pyx_PyDict_GetItem(PyObject *d, PyObject* key);
#define __Pyx_PyObject_Dict_GetItem(obj, name)\
    (likely(PyDict_CheckExact(obj)) ?\
     __Pyx_PyDict_GetItem(obj, name) : PyObject_GetItem(obj, name))
#else
#define __Pyx_PyDict_GetItem(d, key) PyObject_GetItem(d, key)
#define __Pyx_PyObject_Dict_GetItem(obj, name)  PyObject_GetItem(obj, name)
#endif

/* PyObject_GenericGetAttrNoDict.proto */
#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name);
#else
#define __Pyx_PyObject_GenericGetAttrNoDict PyObject_GenericGetAttr
#endif

/* PyObject_GenericGetAttr.proto */
#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name);
#else
#define __Pyx_PyObject_GenericGetAttr PyObject_GenericGetAttr
#endif

/* SetVTable.proto */
static int __Pyx_SetVtable(PyObject *dict, void *vtable);

/* SetupReduce.proto */
static int __Pyx_setup_reduce(PyObject* type_obj);

/* Import.proto */
static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level);

/* ImportFrom.proto */
static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name);

/* CalculateMetaclass.proto */
static PyObject *__Pyx_CalculateMetaclass(PyTypeObject *metaclass, PyObject *bases);

/* Py3ClassCreate.proto */
static PyObject *__Pyx_Py3MetaclassPrepare(PyObject *metaclass, PyObject *bases, PyObject *name, PyObject *qualname,
                                           PyObject *mkw, PyObject *modname, PyObject *doc);
static PyObject *__Pyx_Py3ClassCreate(PyObject *metaclass, PyObject *name, PyObject *bases, PyObject *dict,
                                      PyObject *mkw, int calculate_metaclass, int allow_py2_metaclass);

/* GetNameInClass.proto */
static PyObject *__Pyx_GetNameInClass(PyObject *nmspace, PyObject *name);

/* CLineInTraceback.proto */
#ifdef CYTHON_CLINE_IN_TRACEBACK
#define __Pyx_CLineForTraceback(tstate, c_line)  (((CYTHON_CLINE_IN_TRACEBACK)) ? c_line : 0)
#else
static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line);
#endif

/* CodeObjectCache.proto */
typedef struct {
    PyCodeObject* code_object;
    int code_line;
} __Pyx_CodeObjectCacheEntry;
struct __Pyx_CodeObjectCache {
    int count;
    int max_count;
    __Pyx_CodeObjectCacheEntry* entries;
};
static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL};
static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
static PyCodeObject *__pyx_find_code_object(int code_line);
static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object);

/* AddTraceback.proto */
static void __Pyx_AddTraceback(const char *funcname, int c_line,
                               int py_line, const char *filename);

/* CIntToPy.proto */
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value);

/* CIntToPy.proto */
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_unsigned_int(unsigned int value);

/* CIntToPy.proto */
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_unsigned_long(unsigned long value);

/* CIntToPy.proto */
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value);

/* CIntToPy.proto */
static CYTHON_INLINE PyObject* __Pyx_PyInt_From_MDB_dbi(MDB_dbi value);

static PyObject* __pyx_convert__to_py_struct__MDB_stat(struct MDB_stat s);
/* CIntFromPy.proto */
static CYTHON_INLINE size_t __Pyx_PyInt_As_size_t(PyObject *);

/* CIntFromPy.proto */
static CYTHON_INLINE MDB_dbi __Pyx_PyInt_As_MDB_dbi(PyObject *);

/* CIntFromPy.proto */
static CYTHON_INLINE unsigned int __Pyx_PyInt_As_unsigned_int(PyObject *);

/* CIntFromPy.proto */
static CYTHON_INLINE mode_t __Pyx_PyInt_As_mode_t(PyObject *);

/* CIntFromPy.proto */
static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *);

/* CIntFromPy.proto */
static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *);

/* FetchCommonType.proto */
static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type);

/* PyObjectCallMethod1.proto */
static PyObject* __Pyx_PyObject_CallMethod1(PyObject* obj, PyObject* method_name, PyObject* arg);
static PyObject* __Pyx__PyObject_CallMethod1(PyObject* method, PyObject* arg);

/* CoroutineBase.proto */
typedef PyObject *(*__pyx_coroutine_body_t)(PyObject *, PyThreadState *, PyObject *);
typedef struct {
    PyObject_HEAD
    __pyx_coroutine_body_t body;
    PyObject *closure;
    PyObject *exc_type;
    PyObject *exc_value;
    PyObject *exc_traceback;
    PyObject *gi_weakreflist;
    PyObject *classobj;
    PyObject *yieldfrom;
    PyObject *gi_name;
    PyObject *gi_qualname;
    PyObject *gi_modulename;
    PyObject *gi_code;
    int resume_label;
    char is_running;
} __pyx_CoroutineObject;
static __pyx_CoroutineObject *__Pyx__Coroutine_New(
    PyTypeObject *type, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure,
    PyObject *name, PyObject *qualname, PyObject *module_name);
static __pyx_CoroutineObject *__Pyx__Coroutine_NewInit(
            __pyx_CoroutineObject *gen, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure,
            PyObject *name, PyObject *qualname, PyObject *module_name);
static int __Pyx_Coroutine_clear(PyObject *self);
static PyObject *__Pyx_Coroutine_Send(PyObject *self, PyObject *value);
static PyObject *__Pyx_Coroutine_Close(PyObject *self);
static PyObject *__Pyx_Coroutine_Throw(PyObject *gen, PyObject *args);
#define __Pyx_Coroutine_SwapException(self) {\
    __Pyx_ExceptionSwap(&(self)->exc_type, &(self)->exc_value, &(self)->exc_traceback);\
    __Pyx_Coroutine_ResetFrameBackpointer(self);\
    }
#define __Pyx_Coroutine_ResetAndClearException(self) {\
    __Pyx_ExceptionReset((self)->exc_type, (self)->exc_value, (self)->exc_traceback);\
    (self)->exc_type = (self)->exc_value = (self)->exc_traceback = NULL;\
    }
#if CYTHON_FAST_THREAD_STATE
#define __Pyx_PyGen_FetchStopIterationValue(pvalue)\
    __Pyx_PyGen__FetchStopIterationValue(__pyx_tstate, pvalue)
#else
#define __Pyx_PyGen_FetchStopIterationValue(pvalue)\
    __Pyx_PyGen__FetchStopIterationValue(__Pyx_PyThreadState_Current, pvalue)
#endif
static int __Pyx_PyGen__FetchStopIterationValue(PyThreadState *tstate, PyObject **pvalue);
static CYTHON_INLINE void __Pyx_Coroutine_ResetFrameBackpointer(__pyx_CoroutineObject *self);

/* PatchModuleWithCoroutine.proto */
static PyObject* __Pyx_Coroutine_patch_module(PyObject* module, const char* py_code);

/* PatchGeneratorABC.proto */
static int __Pyx_patch_abc(void);

/* Generator.proto */
#define __Pyx_Generator_USED
static PyTypeObject *__pyx_GeneratorType = 0;
#define __Pyx_Generator_CheckExact(obj) (Py_TYPE(obj) == __pyx_GeneratorType)
#define __Pyx_Generator_New(body, code, closure, name, qualname, module_name)\
    __Pyx__Coroutine_New(__pyx_GeneratorType, body, code, closure, name, qualname, module_name)
static PyObject *__Pyx_Generator_Next(PyObject *self);
static int __pyx_Generator_init(void);

/* CheckBinaryVersion.proto */
static int __Pyx_check_binary_version(void);

/* VoidPtrExport.proto */
static int __Pyx_ExportVoidPtr(PyObject *name, void *p, const char *sig);

/* FunctionExport.proto */
static int __Pyx_ExportFunction(const char *name, void (*f)(void), const char *sig);

/* InitStrings.proto */
static int __Pyx_InitStrings(__Pyx_StringTabEntry *t);

static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__clear_stale_readers(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self); /* proto*/
static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__init_dbis(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__init_dbis *__pyx_optional_args); /* proto*/
static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_close_env(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, int __pyx_skip_dispatch, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_close_env *__pyx_optional_args); /* proto*/
static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_destroy(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, int __pyx_skip_dispatch, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_destroy *__pyx_optional_args); /* proto*/
static CYTHON_INLINE int __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__key_exists(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, unsigned char *__pyx_v_key, unsigned char __pyx_v_klen, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__key_exists *__pyx_optional_args); /* proto*/
static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__put(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, unsigned char *__pyx_v_key, size_t __pyx_v_key_size, unsigned char *__pyx_v_data, size_t __pyx_v_data_size, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__put *__pyx_optional_args); /* proto*/
static PyObject *__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_data(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v_key, int __pyx_skip_dispatch, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_data *__pyx_optional_args); /* proto*/
static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__get_data(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, unsigned char *__pyx_v_key, CYTHON_UNUSED size_t __pyx_v_klen, struct MDB_val *__pyx_v_rv, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__get_data *__pyx_optional_args); /* proto*/
static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__delete(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, unsigned char *__pyx_v_key, size_t __pyx_v_klen, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__delete *__pyx_optional_args); /* proto*/
static PyObject *__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_stats(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, int __pyx_skip_dispatch); /* proto*/
static PyObject *__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__stats(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self); /* proto*/
static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__txn_begin(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__txn_begin *__pyx_optional_args); /* proto*/
static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__txn_commit(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self); /* proto*/
static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__txn_abort(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self); /* proto*/
static int __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_txn_id(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, int __pyx_skip_dispatch); /* proto*/
static size_t __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__txn_id(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self); /* proto*/
static MDB_dbi __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_dbi(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_dbi *__pyx_optional_args); /* proto*/
static MDB_cursor *__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__cur_open(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__cur_open *__pyx_optional_args); /* proto*/
static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__cur_close(CYTHON_UNUSED struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, MDB_cursor *__pyx_v_cur); /* proto*/

/* Module declarations from 'libc.stdint' */

/* Module declarations from 'posix.types' */

/* Module declarations from 'lakesuperior.cy_include.cylmdb' */

/* Module declarations from 'lakesuperior.cy_include' */

/* Module declarations from 'libc' */

/* Module declarations from 'libc.errno' */

/* Module declarations from 'cpython.mem' */

/* Module declarations from 'lakesuperior.store.base_lmdb_store' */
static PyTypeObject *__pyx_ptype_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore = 0;
static PyTypeObject *__pyx_ptype_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx = 0;
static int __pyx_v_12lakesuperior_5store_15base_lmdb_store_rc;
static size_t __pyx_v_12lakesuperior_5store_15base_lmdb_store_i;
static struct MDB_val __pyx_v_12lakesuperior_5store_15base_lmdb_store_key_v;
static struct MDB_val __pyx_v_12lakesuperior_5store_15base_lmdb_store_data_v;
static MDB_dbi __pyx_v_12lakesuperior_5store_15base_lmdb_store_dbi;
static void __pyx_f_12lakesuperior_5store_15base_lmdb_store__check(int, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store__check *__pyx_optional_args); /*proto*/
#define __Pyx_MODULE_NAME "lakesuperior.store.base_lmdb_store"
extern int __pyx_module_is_main_lakesuperior__store__base_lmdb_store;
int __pyx_module_is_main_lakesuperior__store__base_lmdb_store = 0;

/* Implementation of 'lakesuperior.store.base_lmdb_store' */
static PyObject *__pyx_builtin_MemoryError;
static PyObject *__pyx_builtin_enumerate;
static PyObject *__pyx_builtin_RuntimeError;
static PyObject *__pyx_builtin_TypeError;
static const char __pyx_k_[] = "";
static const char __pyx_k_i[] = "i";
static const char __pyx_k_x[] = "{:x}";
static const char __pyx_k_RO[] = "RO";
static const char __pyx_k_RW[] = "RW";
static const char __pyx_k__4[] = ".";
static const char __pyx_k__6[] = ": ";
static const char __pyx_k_os[] = "os";
static const char __pyx_k_rc[] = "rc";
static const char __pyx_k_DBI[] = " (DBI ";
static const char __pyx_k__20[] = ")...";
static const char __pyx_k_dbi[] = "dbi";
static const char __pyx_k_doc[] = "__doc__";
static const char __pyx_k_env[] = "env";
static const char __pyx_k_get[] = "get";
static const char __pyx_k_key[] = "key";
static const char __pyx_k_pid[] = "pid";
static const char __pyx_k_None[] = "None";
static const char __pyx_k_args[] = "args";
static const char __pyx_k_data[] = "data";
static const char __pyx_k_exit[] = "__exit__";
static const char __pyx_k_info[] = "info";
static const char __pyx_k_lock[] = "-lock";
static const char __pyx_k_main[] = "__main__";
static const char __pyx_k_mode[] = "mode";
static const char __pyx_k_name[] = "__name__";
static const char __pyx_k_path[] = "path";
static const char __pyx_k_send[] = "send";
static const char __pyx_k_stat[] = "stat";
static const char __pyx_k_test[] = "__test__";
static const char __pyx_k_wsgi[] = "wsgi";
static const char __pyx_k_abort[] = "abort";
static const char __pyx_k_close[] = "close";
static const char __pyx_k_debug[] = "debug";
static const char __pyx_k_enter[] = "__enter__";
static const char __pyx_k_flags[] = "flags";
static const char __pyx_k_index[] = "index";
static const char __pyx_k_key_v[] = "key_v";
static const char __pyx_k_stats[] = "stats";
static const char __pyx_k_throw[] = "throw";
static const char __pyx_k_write[] = "write";
static const char __pyx_k_create[] = "create";
static const char __pyx_k_data_v[] = "data_v";
static const char __pyx_k_encode[] = "encode";
static const char __pyx_k_exists[] = "exists";
static const char __pyx_k_format[] = "format";
static const char __pyx_k_import[] = "__import__";
static const char __pyx_k_logger[] = "logger";
static const char __pyx_k_module[] = "__module__";
static const char __pyx_k_path_2[] = "_path";
static const char __pyx_k_reduce[] = "__reduce__";
static const char __pyx_k_rmtree[] = "rmtree";
static const char __pyx_k_shutil[] = "shutil";
static const char __pyx_k_txn_id[] = "txn_id";
static const char __pyx_k_unlink[] = "unlink";
static const char __pyx_k_dblabel[] = "dblabel";
static const char __pyx_k_destroy[] = "destroy";
static const char __pyx_k_dirname[] = "dirname";
static const char __pyx_k_getName[] = "getName";
static const char __pyx_k_is_open[] = "is_open";
static const char __pyx_k_logging[] = "logging";
static const char __pyx_k_max_dbs[] = "max_dbs";
static const char __pyx_k_new_txn[] = "new_txn";
static const char __pyx_k_options[] = "options";
static const char __pyx_k_prepare[] = "__prepare__";
static const char __pyx_k_st_size[] = "st_size";
static const char __pyx_k_txn_ctx[] = "txn_ctx";
static const char __pyx_k_warning[] = "warning";
static const char __pyx_k_workers[] = "workers";
static const char __pyx_k_db_stats[] = "db_stats";
static const char __pyx_k_env_path[] = "env_path";
static const char __pyx_k_env_size[] = "env_size";
static const char __pyx_k_exist_ok[] = "exist_ok";
static const char __pyx_k_get_data[] = "get_data";
static const char __pyx_k_getstate[] = "__getstate__";
static const char __pyx_k_makedirs[] = "makedirs";
static const char __pyx_k_map_size[] = "map_size";
static const char __pyx_k_ms_depth[] = "ms_depth";
static const char __pyx_k_ms_psize[] = "ms_psize";
static const char __pyx_k_open_env[] = "open_env";
static const char __pyx_k_opened_x[] = "...opened @ {:x}.";
static const char __pyx_k_pyx_capi[] = "__pyx_capi__";
static const char __pyx_k_qualname[] = "__qualname__";
static const char __pyx_k_setstate[] = "__setstate__";
static const char __pyx_k_LmdbError[] = "LmdbError";
static const char __pyx_k_TypeError[] = "TypeError";
static const char __pyx_k_close_env[] = "close_env";
static const char __pyx_k_dbi_flags[] = "dbi_flags";
static const char __pyx_k_enumerate[] = "enumerate";
static const char __pyx_k_env_flags[] = "env_flags";
static const char __pyx_k_env_perms[] = "env_perms";
static const char __pyx_k_env_stats[] = "env_stats";
static const char __pyx_k_getLogger[] = "getLogger";
static const char __pyx_k_is_txn_rw[] = "is_txn_rw";
static const char __pyx_k_metaclass[] = "__metaclass__";
static const char __pyx_k_reduce_ex[] = "__reduce_ex__";
static const char __pyx_k_threading[] = "threading";
static const char __pyx_k_Created_DB[] = "Created DB ";
static const char __pyx_k_LMDB_Error[] = "LMDB Error ({}): ";
static const char __pyx_k_contextlib[] = "contextlib";
static const char __pyx_k_dbi_labels[] = "dbi_labels";
static const char __pyx_k_ms_entries[] = "ms_entries";
static const char __pyx_k_pyx_vtable[] = "__pyx_vtable__";
static const char __pyx_k_Max_readers[] = "Max. readers: {}";
static const char __pyx_k_MemoryError[] = "MemoryError";
static const char __pyx_k_txn_is_open[] = "txn is open: {}";
static const char __pyx_k_Creating_DBs[] = "Creating DBs.";
static const char __pyx_k_RuntimeError[] = "RuntimeError";
static const char __pyx_k_lakesuperior[] = "lakesuperior";
static const char __pyx_k_readers_mult[] = "readers_mult";
static const char __pyx_k_currentThread[] = "currentThread";
static const char __pyx_k_ms_leaf_pages[] = "ms_leaf_pages";
static const char __pyx_k_reduce_cython[] = "__reduce_cython__";
static const char __pyx_k_Internal_error[] = "\nInternal error ({}): ";
static const char __pyx_k_KeyExistsError[] = "KeyExistsError";
static const char __pyx_k_contextmanager[] = "contextmanager";
static const char __pyx_k_max_spare_txns[] = "max_spare_txns";
static const char __pyx_k_Created_DBenv_x[] = "Created DBenv @ {:x}";
static const char __pyx_k_DBenv_address_x[] = "DBenv address: {:x}";
static const char __pyx_k_current_process[] = "current_process";
static const char __pyx_k_ms_branch_pages[] = "ms_branch_pages";
static const char __pyx_k_multiprocessing[] = "multiprocessing";
static const char __pyx_k_setstate_cython[] = "__setstate_cython__";
static const char __pyx_k_KeyNotFoundError[] = "KeyNotFoundError";
static const char __pyx_k_Closing_store_env[] = "Closing store env.";
static const char __pyx_k_FileNotFoundError[] = "FileNotFoundError";
static const char __pyx_k_Store_is_not_open[] = "Store is not open.";
static const char __pyx_k_ms_overflow_pages[] = "ms_overflow_pages";
static const char __pyx_k_Error_putting_data[] = "Error putting data: {}, {}";
static const char __pyx_k_cline_in_traceback[] = "cline_in_traceback";
static const char __pyx_k_Transaction_aborted[] = "Transaction @ {} aborted.";
static const char __pyx_k_Error_opening_cursor[] = "Error opening cursor: ";
static const char __pyx_k_Opened_transaction_x[] = "Opened transaction @ {:x}";
static const char __pyx_k_BaseLmdbStore_txn_ctx[] = "BaseLmdbStore.txn_ctx";
static const char __pyx_k_Cleaning_up_store_env[] = "Cleaning up store env.";
static const char __pyx_k_Cleared_stale_readers[] = "Cleared {} stale readers.";
static const char __pyx_k_Opening_cursor_for_DB[] = "Opening cursor for DB ";
static const char __pyx_k_Transaction_committed[] = "Transaction @ {} committed.";
static const char __pyx_k_Error_setting_map_size[] = "Error setting map size: {}";
static const char __pyx_k_Opening_environment_at[] = "Opening environment at {}.";
static const char __pyx_k_Environment_already_open[] = "Environment already open.";
static const char __pyx_k_Error_opening_transaction[] = "Error opening transaction.";
static const char __pyx_k_Error_setting_max_readers[] = "Error setting max. readers: {}";
static const char __pyx_k_Getting_DBI_without_label[] = "Getting DBI without label.";
static const char __pyx_k_Error_getting_data_for_key[] = "Error getting data for key '{}'.";
static const char __pyx_k_Store_must_be_opened_first[] = "Store must be opened first.";
static const char __pyx_k_commit_pending_transaction[] = "commit_pending_transaction";
static const char __pyx_k_Error_getting_datbase_stats[] = "Error getting datbase stats: {}";
static const char __pyx_k_Error_setting_max_databases[] = "Error setting max. databases: {}";
static const char __pyx_k_Could_not_create_store_at_Error[] = "Could not create store at {}. Error: {}";
static const char __pyx_k_Error_creating_DB_environment_ha[] = "Error creating DB environment handle: {}";
static const char __pyx_k_Error_opening_the_database_envir[] = "Error opening the database environment: ";
static const char __pyx_k_Opening_transaction_in_PID_threa[] = "Opening {} transaction in PID {}, thread {}";
static const char __pyx_k_Transaction_is_already_active_No[] = "Transaction is already active. Not opening another one.";
static const char __pyx_k_lakesuperior_store_base_lmdb_sto[] = "lakesuperior.store.base_lmdb_store";
static const char __pyx_k_self_curs_self_dbenv_self_dbis_s[] = "self.curs,self.dbenv,self.dbis,self.txn cannot be converted to a Python object for pickling";
static PyObject *__pyx_kp_u_;
static PyObject *__pyx_n_s_BaseLmdbStore_txn_ctx;
static PyObject *__pyx_kp_u_Cleaning_up_store_env;
static PyObject *__pyx_kp_u_Cleared_stale_readers;
static PyObject *__pyx_kp_u_Closing_store_env;
static PyObject *__pyx_kp_u_Could_not_create_store_at_Error;
static PyObject *__pyx_kp_u_Created_DB;
static PyObject *__pyx_kp_u_Created_DBenv_x;
static PyObject *__pyx_kp_u_Creating_DBs;
static PyObject *__pyx_kp_u_DBI;
static PyObject *__pyx_kp_u_DBenv_address_x;
static PyObject *__pyx_kp_u_Environment_already_open;
static PyObject *__pyx_kp_u_Error_creating_DB_environment_ha;
static PyObject *__pyx_kp_u_Error_getting_data_for_key;
static PyObject *__pyx_kp_u_Error_getting_datbase_stats;
static PyObject *__pyx_kp_u_Error_opening_cursor;
static PyObject *__pyx_kp_u_Error_opening_the_database_envir;
static PyObject *__pyx_kp_u_Error_opening_transaction;
static PyObject *__pyx_kp_u_Error_putting_data;
static PyObject *__pyx_kp_u_Error_setting_map_size;
static PyObject *__pyx_kp_u_Error_setting_max_databases;
static PyObject *__pyx_kp_u_Error_setting_max_readers;
static PyObject *__pyx_n_s_FileNotFoundError;
static PyObject *__pyx_kp_u_Getting_DBI_without_label;
static PyObject *__pyx_kp_u_Internal_error;
static PyObject *__pyx_n_s_KeyExistsError;
static PyObject *__pyx_n_s_KeyNotFoundError;
static PyObject *__pyx_kp_u_LMDB_Error;
static PyObject *__pyx_n_s_LmdbError;
static PyObject *__pyx_kp_u_Max_readers;
static PyObject *__pyx_n_s_MemoryError;
static PyObject *__pyx_kp_u_None;
static PyObject *__pyx_kp_u_Opened_transaction_x;
static PyObject *__pyx_kp_u_Opening_cursor_for_DB;
static PyObject *__pyx_kp_u_Opening_environment_at;
static PyObject *__pyx_kp_u_Opening_transaction_in_PID_threa;
static PyObject *__pyx_n_u_RO;
static PyObject *__pyx_n_u_RW;
static PyObject *__pyx_n_s_RuntimeError;
static PyObject *__pyx_kp_u_Store_is_not_open;
static PyObject *__pyx_kp_u_Store_must_be_opened_first;
static PyObject *__pyx_kp_u_Transaction_aborted;
static PyObject *__pyx_kp_u_Transaction_committed;
static PyObject *__pyx_kp_u_Transaction_is_already_active_No;
static PyObject *__pyx_n_s_TypeError;
static PyObject *__pyx_kp_u__20;
static PyObject *__pyx_kp_u__4;
static PyObject *__pyx_kp_u__6;
static PyObject *__pyx_n_s_abort;
static PyObject *__pyx_n_s_args;
static PyObject *__pyx_n_s_cline_in_traceback;
static PyObject *__pyx_n_s_close;
static PyObject *__pyx_n_s_close_env;
static PyObject *__pyx_n_s_commit_pending_transaction;
static PyObject *__pyx_n_s_contextlib;
static PyObject *__pyx_n_s_contextmanager;
static PyObject *__pyx_n_s_create;
static PyObject *__pyx_n_s_currentThread;
static PyObject *__pyx_n_s_current_process;
static PyObject *__pyx_n_s_data;
static PyObject *__pyx_n_s_data_v;
static PyObject *__pyx_n_u_db_stats;
static PyObject *__pyx_n_s_dbi;
static PyObject *__pyx_n_s_dbi_flags;
static PyObject *__pyx_n_s_dbi_labels;
static PyObject *__pyx_n_s_dblabel;
static PyObject *__pyx_n_s_debug;
static PyObject *__pyx_n_s_destroy;
static PyObject *__pyx_n_s_dirname;
static PyObject *__pyx_n_s_doc;
static PyObject *__pyx_n_s_encode;
static PyObject *__pyx_n_s_enter;
static PyObject *__pyx_n_s_enumerate;
static PyObject *__pyx_n_s_env;
static PyObject *__pyx_n_s_env_flags;
static PyObject *__pyx_n_s_env_path;
static PyObject *__pyx_n_s_env_perms;
static PyObject *__pyx_n_u_env_size;
static PyObject *__pyx_n_u_env_stats;
static PyObject *__pyx_n_s_exist_ok;
static PyObject *__pyx_n_s_exists;
static PyObject *__pyx_n_s_exit;
static PyObject *__pyx_n_s_flags;
static PyObject *__pyx_n_s_format;
static PyObject *__pyx_n_s_get;
static PyObject *__pyx_n_s_getLogger;
static PyObject *__pyx_n_s_getName;
static PyObject *__pyx_n_s_get_data;
static PyObject *__pyx_n_s_getstate;
static PyObject *__pyx_n_s_i;
static PyObject *__pyx_n_s_import;
static PyObject *__pyx_n_s_index;
static PyObject *__pyx_n_s_info;
static PyObject *__pyx_n_s_is_open;
static PyObject *__pyx_n_s_is_txn_rw;
static PyObject *__pyx_n_s_key;
static PyObject *__pyx_n_s_key_v;
static PyObject *__pyx_n_s_lakesuperior;
static PyObject *__pyx_n_s_lakesuperior_store_base_lmdb_sto;
static PyObject *__pyx_kp_u_lock;
static PyObject *__pyx_n_s_logger;
static PyObject *__pyx_n_s_logging;
static PyObject *__pyx_n_s_main;
static PyObject *__pyx_n_s_makedirs;
static PyObject *__pyx_n_u_map_size;
static PyObject *__pyx_n_u_max_dbs;
static PyObject *__pyx_n_u_max_spare_txns;
static PyObject *__pyx_n_s_metaclass;
static PyObject *__pyx_n_s_mode;
static PyObject *__pyx_n_s_module;
static PyObject *__pyx_n_s_ms_branch_pages;
static PyObject *__pyx_n_s_ms_depth;
static PyObject *__pyx_n_s_ms_entries;
static PyObject *__pyx_n_s_ms_leaf_pages;
static PyObject *__pyx_n_s_ms_overflow_pages;
static PyObject *__pyx_n_s_ms_psize;
static PyObject *__pyx_n_s_multiprocessing;
static PyObject *__pyx_n_s_name;
static PyObject *__pyx_n_s_new_txn;
static PyObject *__pyx_n_s_open_env;
static PyObject *__pyx_kp_u_opened_x;
static PyObject *__pyx_n_s_options;
static PyObject *__pyx_n_s_os;
static PyObject *__pyx_n_s_path;
static PyObject *__pyx_n_s_path_2;
static PyObject *__pyx_n_s_pid;
static PyObject *__pyx_n_s_prepare;
static PyObject *__pyx_n_s_pyx_capi;
static PyObject *__pyx_n_s_pyx_vtable;
static PyObject *__pyx_n_s_qualname;
static PyObject *__pyx_n_s_rc;
static PyObject *__pyx_n_s_readers_mult;
static PyObject *__pyx_n_s_reduce;
static PyObject *__pyx_n_s_reduce_cython;
static PyObject *__pyx_n_s_reduce_ex;
static PyObject *__pyx_n_s_rmtree;
static PyObject *__pyx_kp_s_self_curs_self_dbenv_self_dbis_s;
static PyObject *__pyx_n_s_send;
static PyObject *__pyx_n_s_setstate;
static PyObject *__pyx_n_s_setstate_cython;
static PyObject *__pyx_n_s_shutil;
static PyObject *__pyx_n_s_st_size;
static PyObject *__pyx_n_s_stat;
static PyObject *__pyx_n_s_stats;
static PyObject *__pyx_n_s_test;
static PyObject *__pyx_n_s_threading;
static PyObject *__pyx_n_s_throw;
static PyObject *__pyx_n_s_txn_ctx;
static PyObject *__pyx_n_s_txn_id;
static PyObject *__pyx_kp_u_txn_is_open;
static PyObject *__pyx_n_s_unlink;
static PyObject *__pyx_n_s_warning;
static PyObject *__pyx_n_s_workers;
static PyObject *__pyx_n_s_write;
static PyObject *__pyx_n_s_wsgi;
static PyObject *__pyx_kp_u_x;
static int __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore___init__(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v_env_path, PyObject *__pyx_v_open_env, PyObject *__pyx_v_create); /* proto */
static void __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_2__dealloc__(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_7is_open___get__(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_7readers___get__(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_4open_env(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v_create); /* proto */
static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_6close_env(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, int __pyx_v_commit_pending_transaction); /* proto */
static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_8destroy(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v__path); /* proto */
static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_10txn_ctx(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v_write); /* proto */
static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_13begin(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v_write); /* proto */
static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_15commit(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_17abort(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_19rollback(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_21key_exists(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v_key, PyObject *__pyx_v_dblabel, PyObject *__pyx_v_new_txn); /* proto */
static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_23put(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v_key, PyObject *__pyx_v_data, PyObject *__pyx_v_dblabel, PyObject *__pyx_v_flags); /* proto */
static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_25get_data(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v_key, PyObject *__pyx_v_dblabel); /* proto */
static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_27delete(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v_key, PyObject *__pyx_v_dblabel); /* proto */
static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_29stats(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_31txn_id(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_11is_txn_open___get__(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_5_open___get__(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self); /* proto */
static int __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_5_open_2__set__(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_8env_path___get__(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_33__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self); /* proto */
static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_35__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */
static PyObject *__pyx_tp_new_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_tp_new_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
static PyObject *__pyx_int_0;
static PyObject *__pyx_int_1;
static PyObject *__pyx_int_4;
static PyObject *__pyx_int_416;
static PyObject *__pyx_int_488;
static PyObject *__pyx_int_1073741824;
static unsigned char *__pyx_k__14;
static unsigned char *__pyx_k__15;
static unsigned char *__pyx_k__16;
static unsigned char *__pyx_k__17;
static PyObject *__pyx_tuple__2;
static PyObject *__pyx_tuple__3;
static PyObject *__pyx_tuple__5;
static PyObject *__pyx_tuple__7;
static PyObject *__pyx_tuple__8;
static PyObject *__pyx_tuple__9;
static PyObject *__pyx_tuple__10;
static PyObject *__pyx_tuple__11;
static PyObject *__pyx_tuple__12;
static PyObject *__pyx_tuple__13;
static PyObject *__pyx_tuple__18;
static PyObject *__pyx_tuple__19;
static PyObject *__pyx_tuple__21;
static PyObject *__pyx_tuple__22;
/* Late includes */

/* "lakesuperior/store/base_lmdb_store.pyx":22
 * 
 * 
 * cdef void _check(int rc, str message='') except *:             # <<<<<<<<<<<<<<
 *     """
 *     Check return code.
 */

static void __pyx_f_12lakesuperior_5store_15base_lmdb_store__check(int __pyx_v_rc, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store__check *__pyx_optional_args) {
  PyObject *__pyx_v_message = ((PyObject*)__pyx_kp_u_);
  PyObject *__pyx_v_out_msg = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  Py_ssize_t __pyx_t_5;
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  PyObject *__pyx_t_8 = NULL;
  char *__pyx_t_9;
  __Pyx_RefNannySetupContext("_check", 0);
  __Pyx_TraceCall("_check", __pyx_f[0], 22, 0, __PYX_ERR(0, 22, __pyx_L1_error));
  if (__pyx_optional_args) {
    if (__pyx_optional_args->__pyx_n > 0) {
      __pyx_v_message = __pyx_optional_args->message;
    }
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":26
 *     Check return code.
 *     """
 *     if rc == lmdb.MDB_NOTFOUND:             # <<<<<<<<<<<<<<
 *         raise KeyNotFoundError()
 *     if rc == lmdb.MDB_KEYEXIST:
 */
  __pyx_t_1 = ((__pyx_v_rc == MDB_NOTFOUND) != 0);
  if (unlikely(__pyx_t_1)) {

    /* "lakesuperior/store/base_lmdb_store.pyx":27
 *     """
 *     if rc == lmdb.MDB_NOTFOUND:
 *         raise KeyNotFoundError()             # <<<<<<<<<<<<<<
 *     if rc == lmdb.MDB_KEYEXIST:
 *         raise KeyExistsError()
 */
    __pyx_t_3 = __Pyx_GetModuleGlobalName(__pyx_n_s_KeyNotFoundError); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 27, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __pyx_t_4 = NULL;
    if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_3))) {
      __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_3);
      if (likely(__pyx_t_4)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
        __Pyx_INCREF(__pyx_t_4);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_3, function);
      }
    }
    if (__pyx_t_4) {
      __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_4); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 27, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    } else {
      __pyx_t_2 = __Pyx_PyObject_CallNoArg(__pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 27, __pyx_L1_error)
    }
    __Pyx_GOTREF(__pyx_t_2);
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __Pyx_Raise(__pyx_t_2, 0, 0, 0);
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    __PYX_ERR(0, 27, __pyx_L1_error)

    /* "lakesuperior/store/base_lmdb_store.pyx":26
 *     Check return code.
 *     """
 *     if rc == lmdb.MDB_NOTFOUND:             # <<<<<<<<<<<<<<
 *         raise KeyNotFoundError()
 *     if rc == lmdb.MDB_KEYEXIST:
 */
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":28
 *     if rc == lmdb.MDB_NOTFOUND:
 *         raise KeyNotFoundError()
 *     if rc == lmdb.MDB_KEYEXIST:             # <<<<<<<<<<<<<<
 *         raise KeyExistsError()
 *     if rc != lmdb.MDB_SUCCESS:
 */
  __pyx_t_1 = ((__pyx_v_rc == MDB_KEYEXIST) != 0);
  if (unlikely(__pyx_t_1)) {

    /* "lakesuperior/store/base_lmdb_store.pyx":29
 *         raise KeyNotFoundError()
 *     if rc == lmdb.MDB_KEYEXIST:
 *         raise KeyExistsError()             # <<<<<<<<<<<<<<
 *     if rc != lmdb.MDB_SUCCESS:
 *         out_msg = (
 */
    __pyx_t_3 = __Pyx_GetModuleGlobalName(__pyx_n_s_KeyExistsError); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 29, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __pyx_t_4 = NULL;
    if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_3))) {
      __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_3);
      if (likely(__pyx_t_4)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
        __Pyx_INCREF(__pyx_t_4);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_3, function);
      }
    }
    if (__pyx_t_4) {
      __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_4); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 29, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    } else {
      __pyx_t_2 = __Pyx_PyObject_CallNoArg(__pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 29, __pyx_L1_error)
    }
    __Pyx_GOTREF(__pyx_t_2);
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __Pyx_Raise(__pyx_t_2, 0, 0, 0);
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    __PYX_ERR(0, 29, __pyx_L1_error)

    /* "lakesuperior/store/base_lmdb_store.pyx":28
 *     if rc == lmdb.MDB_NOTFOUND:
 *         raise KeyNotFoundError()
 *     if rc == lmdb.MDB_KEYEXIST:             # <<<<<<<<<<<<<<
 *         raise KeyExistsError()
 *     if rc != lmdb.MDB_SUCCESS:
 */
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":30
 *     if rc == lmdb.MDB_KEYEXIST:
 *         raise KeyExistsError()
 *     if rc != lmdb.MDB_SUCCESS:             # <<<<<<<<<<<<<<
 *         out_msg = (
 *                 message + '\nInternal error ({}): '.format(rc)
 */
  __pyx_t_1 = ((__pyx_v_rc != MDB_SUCCESS) != 0);
  if (unlikely(__pyx_t_1)) {

    /* "lakesuperior/store/base_lmdb_store.pyx":33
 *         out_msg = (
 *                 message + '\nInternal error ({}): '.format(rc)
 *                 if len(message) else 'LMDB Error ({}): '.format(rc))             # <<<<<<<<<<<<<<
 *         out_msg += lmdb.mdb_strerror(rc).decode()
 *         raise LmdbError(out_msg)
 */
    if (unlikely(__pyx_v_message == Py_None)) {
      PyErr_SetString(PyExc_TypeError, "object of type 'NoneType' has no len()");
      __PYX_ERR(0, 33, __pyx_L1_error)
    }
    __pyx_t_5 = __Pyx_PyUnicode_GET_LENGTH(__pyx_v_message); if (unlikely(__pyx_t_5 == ((Py_ssize_t)-1))) __PYX_ERR(0, 33, __pyx_L1_error)
    if ((__pyx_t_5 != 0)) {

      /* "lakesuperior/store/base_lmdb_store.pyx":32
 *     if rc != lmdb.MDB_SUCCESS:
 *         out_msg = (
 *                 message + '\nInternal error ({}): '.format(rc)             # <<<<<<<<<<<<<<
 *                 if len(message) else 'LMDB Error ({}): '.format(rc))
 *         out_msg += lmdb.mdb_strerror(rc).decode()
 */
      __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_kp_u_Internal_error, __pyx_n_s_format); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 32, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __pyx_t_6 = __Pyx_PyInt_From_int(__pyx_v_rc); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 32, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_6);
      __pyx_t_7 = NULL;
      if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_4))) {
        __pyx_t_7 = PyMethod_GET_SELF(__pyx_t_4);
        if (likely(__pyx_t_7)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_4);
          __Pyx_INCREF(__pyx_t_7);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_4, function);
        }
      }
      if (!__pyx_t_7) {
        __pyx_t_3 = __Pyx_PyObject_CallOneArg(__pyx_t_4, __pyx_t_6); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 32, __pyx_L1_error)
        __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
        __Pyx_GOTREF(__pyx_t_3);
      } else {
        #if CYTHON_FAST_PYCALL
        if (PyFunction_Check(__pyx_t_4)) {
          PyObject *__pyx_temp[2] = {__pyx_t_7, __pyx_t_6};
          __pyx_t_3 = __Pyx_PyFunction_FastCall(__pyx_t_4, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 32, __pyx_L1_error)
          __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
          __Pyx_GOTREF(__pyx_t_3);
          __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
        } else
        #endif
        #if CYTHON_FAST_PYCCALL
        if (__Pyx_PyFastCFunction_Check(__pyx_t_4)) {
          PyObject *__pyx_temp[2] = {__pyx_t_7, __pyx_t_6};
          __pyx_t_3 = __Pyx_PyCFunction_FastCall(__pyx_t_4, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 32, __pyx_L1_error)
          __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
          __Pyx_GOTREF(__pyx_t_3);
          __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
        } else
        #endif
        {
          __pyx_t_8 = PyTuple_New(1+1); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 32, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_8);
          __Pyx_GIVEREF(__pyx_t_7); PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_t_7); __pyx_t_7 = NULL;
          __Pyx_GIVEREF(__pyx_t_6);
          PyTuple_SET_ITEM(__pyx_t_8, 0+1, __pyx_t_6);
          __pyx_t_6 = 0;
          __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_t_8, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 32, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_3);
          __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
        }
      }
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __pyx_t_4 = PyNumber_Add(__pyx_v_message, __pyx_t_3); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 32, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __pyx_t_2 = __pyx_t_4;
      __pyx_t_4 = 0;
    } else {

      /* "lakesuperior/store/base_lmdb_store.pyx":33
 *         out_msg = (
 *                 message + '\nInternal error ({}): '.format(rc)
 *                 if len(message) else 'LMDB Error ({}): '.format(rc))             # <<<<<<<<<<<<<<
 *         out_msg += lmdb.mdb_strerror(rc).decode()
 *         raise LmdbError(out_msg)
 */
      __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_kp_u_LMDB_Error, __pyx_n_s_format); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 33, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_8 = __Pyx_PyInt_From_int(__pyx_v_rc); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 33, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_8);
      __pyx_t_6 = NULL;
      if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_3))) {
        __pyx_t_6 = PyMethod_GET_SELF(__pyx_t_3);
        if (likely(__pyx_t_6)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
          __Pyx_INCREF(__pyx_t_6);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_3, function);
        }
      }
      if (!__pyx_t_6) {
        __pyx_t_4 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_8); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 33, __pyx_L1_error)
        __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
        __Pyx_GOTREF(__pyx_t_4);
      } else {
        #if CYTHON_FAST_PYCALL
        if (PyFunction_Check(__pyx_t_3)) {
          PyObject *__pyx_temp[2] = {__pyx_t_6, __pyx_t_8};
          __pyx_t_4 = __Pyx_PyFunction_FastCall(__pyx_t_3, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 33, __pyx_L1_error)
          __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
          __Pyx_GOTREF(__pyx_t_4);
          __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
        } else
        #endif
        #if CYTHON_FAST_PYCCALL
        if (__Pyx_PyFastCFunction_Check(__pyx_t_3)) {
          PyObject *__pyx_temp[2] = {__pyx_t_6, __pyx_t_8};
          __pyx_t_4 = __Pyx_PyCFunction_FastCall(__pyx_t_3, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 33, __pyx_L1_error)
          __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
          __Pyx_GOTREF(__pyx_t_4);
          __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
        } else
        #endif
        {
          __pyx_t_7 = PyTuple_New(1+1); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 33, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_7);
          __Pyx_GIVEREF(__pyx_t_6); PyTuple_SET_ITEM(__pyx_t_7, 0, __pyx_t_6); __pyx_t_6 = NULL;
          __Pyx_GIVEREF(__pyx_t_8);
          PyTuple_SET_ITEM(__pyx_t_7, 0+1, __pyx_t_8);
          __pyx_t_8 = 0;
          __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_7, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 33, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_4);
          __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
        }
      }
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __pyx_t_2 = __pyx_t_4;
      __pyx_t_4 = 0;
    }
    __pyx_v_out_msg = __pyx_t_2;
    __pyx_t_2 = 0;

    /* "lakesuperior/store/base_lmdb_store.pyx":34
 *                 message + '\nInternal error ({}): '.format(rc)
 *                 if len(message) else 'LMDB Error ({}): '.format(rc))
 *         out_msg += lmdb.mdb_strerror(rc).decode()             # <<<<<<<<<<<<<<
 *         raise LmdbError(out_msg)
 * 
 */
    __pyx_t_9 = mdb_strerror(__pyx_v_rc);
    __pyx_t_2 = __Pyx_decode_c_string(__pyx_t_9, 0, strlen(__pyx_t_9), NULL, NULL, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 34, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    __pyx_t_4 = PyNumber_InPlaceAdd(__pyx_v_out_msg, __pyx_t_2); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 34, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    __Pyx_DECREF_SET(__pyx_v_out_msg, __pyx_t_4);
    __pyx_t_4 = 0;

    /* "lakesuperior/store/base_lmdb_store.pyx":35
 *                 if len(message) else 'LMDB Error ({}): '.format(rc))
 *         out_msg += lmdb.mdb_strerror(rc).decode()
 *         raise LmdbError(out_msg)             # <<<<<<<<<<<<<<
 * 
 * 
 */
    __pyx_t_2 = __Pyx_GetModuleGlobalName(__pyx_n_s_LmdbError); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 35, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    __pyx_t_3 = NULL;
    if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_2))) {
      __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_2);
      if (likely(__pyx_t_3)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_2);
        __Pyx_INCREF(__pyx_t_3);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_2, function);
      }
    }
    if (!__pyx_t_3) {
      __pyx_t_4 = __Pyx_PyObject_CallOneArg(__pyx_t_2, __pyx_v_out_msg); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 35, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
    } else {
      #if CYTHON_FAST_PYCALL
      if (PyFunction_Check(__pyx_t_2)) {
        PyObject *__pyx_temp[2] = {__pyx_t_3, __pyx_v_out_msg};
        __pyx_t_4 = __Pyx_PyFunction_FastCall(__pyx_t_2, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 35, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
        __Pyx_GOTREF(__pyx_t_4);
      } else
      #endif
      #if CYTHON_FAST_PYCCALL
      if (__Pyx_PyFastCFunction_Check(__pyx_t_2)) {
        PyObject *__pyx_temp[2] = {__pyx_t_3, __pyx_v_out_msg};
        __pyx_t_4 = __Pyx_PyCFunction_FastCall(__pyx_t_2, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 35, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
        __Pyx_GOTREF(__pyx_t_4);
      } else
      #endif
      {
        __pyx_t_7 = PyTuple_New(1+1); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 35, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_7);
        __Pyx_GIVEREF(__pyx_t_3); PyTuple_SET_ITEM(__pyx_t_7, 0, __pyx_t_3); __pyx_t_3 = NULL;
        __Pyx_INCREF(__pyx_v_out_msg);
        __Pyx_GIVEREF(__pyx_v_out_msg);
        PyTuple_SET_ITEM(__pyx_t_7, 0+1, __pyx_v_out_msg);
        __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_t_7, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 35, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_4);
        __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
      }
    }
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    __Pyx_Raise(__pyx_t_4, 0, 0, 0);
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __PYX_ERR(0, 35, __pyx_L1_error)

    /* "lakesuperior/store/base_lmdb_store.pyx":30
 *     if rc == lmdb.MDB_KEYEXIST:
 *         raise KeyExistsError()
 *     if rc != lmdb.MDB_SUCCESS:             # <<<<<<<<<<<<<<
 *         out_msg = (
 *                 message + '\nInternal error ({}): '.format(rc)
 */
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":22
 * 
 * 
 * cdef void _check(int rc, str message='') except *:             # <<<<<<<<<<<<<<
 *     """
 *     Check return code.
 */

  /* function exit code */
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_XDECREF(__pyx_t_8);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store._check", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_v_out_msg);
  __Pyx_TraceReturn(Py_None, 0);
  __Pyx_RefNannyFinishContext();
}

/* "lakesuperior/store/base_lmdb_store.pyx":129
 *     ### INIT & TEARDOWN ###
 * 
 *     def __init__(self, env_path, open_env=True, create=True):             # <<<<<<<<<<<<<<
 *         """
 *         Initialize DB environment and databases.
 */

/* Python wrapper */
static int __pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_1__init__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static char __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore___init__[] = "\n        Initialize DB environment and databases.\n\n        :param str env_path: The file path of the store.\n        :param bool open: Whether to open the store immediately. If ``False``\n            the store can be manually opened with :py:meth:`opn_env`.\n        :param bool create: Whether the file and directory structure should\n            be created if the store is opened immediately.\n        ";
#if CYTHON_COMPILING_IN_CPYTHON
struct wrapperbase __pyx_wrapperbase_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore___init__;
#endif
static int __pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_1__init__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_env_path = 0;
  PyObject *__pyx_v_open_env = 0;
  PyObject *__pyx_v_create = 0;
  int __pyx_r;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__init__ (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_env_path,&__pyx_n_s_open_env,&__pyx_n_s_create,0};
    PyObject* values[3] = {0,0,0};
    values[1] = ((PyObject *)Py_True);
    values[2] = ((PyObject *)Py_True);
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        CYTHON_FALLTHROUGH;
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_env_path)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_open_env);
          if (value) { values[1] = value; kw_args--; }
        }
        CYTHON_FALLTHROUGH;
        case  2:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_create);
          if (value) { values[2] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__init__") < 0)) __PYX_ERR(0, 129, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        CYTHON_FALLTHROUGH;
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_env_path = values[0];
    __pyx_v_open_env = values[1];
    __pyx_v_create = values[2];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("__init__", 0, 1, 3, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 129, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.__init__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return -1;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore___init__(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self), __pyx_v_env_path, __pyx_v_open_env, __pyx_v_create);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static int __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore___init__(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v_env_path, PyObject *__pyx_v_open_env, PyObject *__pyx_v_create) {
  int __pyx_r;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  int __pyx_t_2;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  __Pyx_RefNannySetupContext("__init__", 0);
  __Pyx_TraceCall("__init__", __pyx_f[0], 129, 0, __PYX_ERR(0, 129, __pyx_L1_error));

  /* "lakesuperior/store/base_lmdb_store.pyx":139
 *             be created if the store is opened immediately.
 *         """
 *         self._open = False             # <<<<<<<<<<<<<<
 *         self.is_txn_open = False
 *         self.env_path = env_path
 */
  __pyx_v_self->_open = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":140
 *         """
 *         self._open = False
 *         self.is_txn_open = False             # <<<<<<<<<<<<<<
 *         self.env_path = env_path
 *         if open_env:
 */
  __pyx_v_self->is_txn_open = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":141
 *         self._open = False
 *         self.is_txn_open = False
 *         self.env_path = env_path             # <<<<<<<<<<<<<<
 *         if open_env:
 *             self.open_env(create)
 */
  if (!(likely(PyUnicode_CheckExact(__pyx_v_env_path))||((__pyx_v_env_path) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "unicode", Py_TYPE(__pyx_v_env_path)->tp_name), 0))) __PYX_ERR(0, 141, __pyx_L1_error)
  __pyx_t_1 = __pyx_v_env_path;
  __Pyx_INCREF(__pyx_t_1);
  __Pyx_GIVEREF(__pyx_t_1);
  __Pyx_GOTREF(__pyx_v_self->env_path);
  __Pyx_DECREF(__pyx_v_self->env_path);
  __pyx_v_self->env_path = ((PyObject*)__pyx_t_1);
  __pyx_t_1 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":142
 *         self.is_txn_open = False
 *         self.env_path = env_path
 *         if open_env:             # <<<<<<<<<<<<<<
 *             self.open_env(create)
 *         #logger.info('Init DB with path: {}'.format(self.env_path))
 */
  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_v_open_env); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(0, 142, __pyx_L1_error)
  if (__pyx_t_2) {

    /* "lakesuperior/store/base_lmdb_store.pyx":143
 *         self.env_path = env_path
 *         if open_env:
 *             self.open_env(create)             # <<<<<<<<<<<<<<
 *         #logger.info('Init DB with path: {}'.format(self.env_path))
 * 
 */
    __pyx_t_3 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_open_env); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 143, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __pyx_t_4 = NULL;
    if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_3))) {
      __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_3);
      if (likely(__pyx_t_4)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
        __Pyx_INCREF(__pyx_t_4);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_3, function);
      }
    }
    if (!__pyx_t_4) {
      __pyx_t_1 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_v_create); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 143, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_1);
    } else {
      #if CYTHON_FAST_PYCALL
      if (PyFunction_Check(__pyx_t_3)) {
        PyObject *__pyx_temp[2] = {__pyx_t_4, __pyx_v_create};
        __pyx_t_1 = __Pyx_PyFunction_FastCall(__pyx_t_3, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 143, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
        __Pyx_GOTREF(__pyx_t_1);
      } else
      #endif
      #if CYTHON_FAST_PYCCALL
      if (__Pyx_PyFastCFunction_Check(__pyx_t_3)) {
        PyObject *__pyx_temp[2] = {__pyx_t_4, __pyx_v_create};
        __pyx_t_1 = __Pyx_PyCFunction_FastCall(__pyx_t_3, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 143, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
        __Pyx_GOTREF(__pyx_t_1);
      } else
      #endif
      {
        __pyx_t_5 = PyTuple_New(1+1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 143, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_5);
        __Pyx_GIVEREF(__pyx_t_4); PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_4); __pyx_t_4 = NULL;
        __Pyx_INCREF(__pyx_v_create);
        __Pyx_GIVEREF(__pyx_v_create);
        PyTuple_SET_ITEM(__pyx_t_5, 0+1, __pyx_v_create);
        __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_5, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 143, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_1);
        __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      }
    }
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

    /* "lakesuperior/store/base_lmdb_store.pyx":142
 *         self.is_txn_open = False
 *         self.env_path = env_path
 *         if open_env:             # <<<<<<<<<<<<<<
 *             self.open_env(create)
 *         #logger.info('Init DB with path: {}'.format(self.env_path))
 */
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":129
 *     ### INIT & TEARDOWN ###
 * 
 *     def __init__(self, env_path, open_env=True, create=True):             # <<<<<<<<<<<<<<
 *         """
 *         Initialize DB environment and databases.
 */

  /* function exit code */
  __pyx_r = 0;
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.__init__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = -1;
  __pyx_L0:;
  __Pyx_TraceReturn(Py_None, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pyx":147
 * 
 * 
 *     def __dealloc__(self):             # <<<<<<<<<<<<<<
 *         self.close_env()
 * 
 */

/* Python wrapper */
static void __pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_3__dealloc__(PyObject *__pyx_v_self); /*proto*/
static void __pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_3__dealloc__(PyObject *__pyx_v_self) {
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__dealloc__ (wrapper)", 0);
  __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_2__dealloc__(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
}

static void __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_2__dealloc__(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self) {
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__dealloc__", 0);
  __Pyx_TraceCall("__dealloc__", __pyx_f[0], 147, 0, __PYX_ERR(0, 147, __pyx_L1_error));

  /* "lakesuperior/store/base_lmdb_store.pyx":148
 * 
 *     def __dealloc__(self):
 *         self.close_env()             # <<<<<<<<<<<<<<
 * 
 * 
 */
  ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self->__pyx_vtab)->close_env(__pyx_v_self, 0, NULL); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 148, __pyx_L1_error)

  /* "lakesuperior/store/base_lmdb_store.pyx":147
 * 
 * 
 *     def __dealloc__(self):             # <<<<<<<<<<<<<<
 *         self.close_env()
 * 
 */

  /* function exit code */
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_WriteUnraisable("lakesuperior.store.base_lmdb_store.BaseLmdbStore.__dealloc__", __pyx_clineno, __pyx_lineno, __pyx_filename, 1, 0);
  __pyx_L0:;
  __Pyx_TraceReturn(Py_None, 0);
  __Pyx_RefNannyFinishContext();
}

/* "lakesuperior/store/base_lmdb_store.pyx":152
 * 
 *     @property
 *     def is_open(self):             # <<<<<<<<<<<<<<
 *         return self._open
 * 
 */

/* Python wrapper */
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_7is_open_1__get__(PyObject *__pyx_v_self); /*proto*/
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_7is_open_1__get__(PyObject *__pyx_v_self) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_7is_open___get__(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_7is_open___get__(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  __Pyx_RefNannySetupContext("__get__", 0);
  __Pyx_TraceCall("__get__", __pyx_f[0], 152, 0, __PYX_ERR(0, 152, __pyx_L1_error));

  /* "lakesuperior/store/base_lmdb_store.pyx":153
 *     @property
 *     def is_open(self):
 *         return self._open             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = __Pyx_PyBool_FromLong(__pyx_v_self->_open); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 153, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "lakesuperior/store/base_lmdb_store.pyx":152
 * 
 *     @property
 *     def is_open(self):             # <<<<<<<<<<<<<<
 *         return self._open
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.is_open.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pyx":157
 * 
 *     @property
 *     def readers(self):             # <<<<<<<<<<<<<<
 *         return self._readers
 * 
 */

/* Python wrapper */
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_7readers_1__get__(PyObject *__pyx_v_self); /*proto*/
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_7readers_1__get__(PyObject *__pyx_v_self) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_7readers___get__(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_7readers___get__(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  __Pyx_RefNannySetupContext("__get__", 0);
  __Pyx_TraceCall("__get__", __pyx_f[0], 157, 0, __PYX_ERR(0, 157, __pyx_L1_error));

  /* "lakesuperior/store/base_lmdb_store.pyx":158
 *     @property
 *     def readers(self):
 *         return self._readers             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = __Pyx_PyInt_From_unsigned_int(__pyx_v_self->_readers); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 158, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "lakesuperior/store/base_lmdb_store.pyx":157
 * 
 *     @property
 *     def readers(self):             # <<<<<<<<<<<<<<
 *         return self._readers
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.readers.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pyx":161
 * 
 * 
 *     def open_env(self, create):             # <<<<<<<<<<<<<<
 *         """
 *         Open, and optionally create, store environment.
 */

/* Python wrapper */
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_5open_env(PyObject *__pyx_v_self, PyObject *__pyx_v_create); /*proto*/
static char __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_4open_env[] = "\n        Open, and optionally create, store environment.\n        ";
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_5open_env(PyObject *__pyx_v_self, PyObject *__pyx_v_create) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("open_env (wrapper)", 0);
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_4open_env(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self), ((PyObject *)__pyx_v_create));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_4open_env(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v_create) {
  PyObject *__pyx_v_parent_path = NULL;
  PyObject *__pyx_v_e = NULL;
  PyObject *__pyx_v_max_dbs = NULL;
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  int __pyx_t_2;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  int __pyx_t_8;
  PyObject *__pyx_t_9 = NULL;
  PyObject *__pyx_t_10 = NULL;
  PyObject *__pyx_t_11 = NULL;
  int __pyx_t_12;
  PyObject *__pyx_t_13 = NULL;
  PyObject *__pyx_t_14 = NULL;
  PyObject *__pyx_t_15 = NULL;
  int __pyx_t_16;
  char const *__pyx_t_17;
  PyObject *__pyx_t_18 = NULL;
  PyObject *__pyx_t_19 = NULL;
  PyObject *__pyx_t_20 = NULL;
  PyObject *__pyx_t_21 = NULL;
  PyObject *__pyx_t_22 = NULL;
  PyObject *__pyx_t_23 = NULL;
  struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store__check __pyx_t_24;
  size_t __pyx_t_25;
  Py_ssize_t __pyx_t_26;
  MDB_dbi __pyx_t_27;
  unsigned int __pyx_t_28;
  char const *__pyx_t_29;
  mdb_mode_t __pyx_t_30;
  Py_UCS4 __pyx_t_31;
  struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__init_dbis __pyx_t_32;
  __Pyx_RefNannySetupContext("open_env", 0);
  __Pyx_TraceCall("open_env", __pyx_f[0], 161, 0, __PYX_ERR(0, 161, __pyx_L1_error));

  /* "lakesuperior/store/base_lmdb_store.pyx":165
 *         Open, and optionally create, store environment.
 *         """
 *         if self.is_open:             # <<<<<<<<<<<<<<
 *             logger.warning('Environment already open.')
 *             return
 */
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_is_open); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 165, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(0, 165, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  if (__pyx_t_2) {

    /* "lakesuperior/store/base_lmdb_store.pyx":166
 *         """
 *         if self.is_open:
 *             logger.warning('Environment already open.')             # <<<<<<<<<<<<<<
 *             return
 * 
 */
    __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_logger); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 166, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_warning); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 166, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_tuple__2, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 166, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

    /* "lakesuperior/store/base_lmdb_store.pyx":167
 *         if self.is_open:
 *             logger.warning('Environment already open.')
 *             return             # <<<<<<<<<<<<<<
 * 
 *         logger.debug('Opening environment at {}.'.format(self.env_path))
 */
    __Pyx_XDECREF(__pyx_r);
    __pyx_r = Py_None; __Pyx_INCREF(Py_None);
    goto __pyx_L0;

    /* "lakesuperior/store/base_lmdb_store.pyx":165
 *         Open, and optionally create, store environment.
 *         """
 *         if self.is_open:             # <<<<<<<<<<<<<<
 *             logger.warning('Environment already open.')
 *             return
 */
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":169
 *             return
 * 
 *         logger.debug('Opening environment at {}.'.format(self.env_path))             # <<<<<<<<<<<<<<
 *         if create:
 *             #logger.info('Creating db env at {}'.format(self.env_path))
 */
  __pyx_t_3 = __Pyx_GetModuleGlobalName(__pyx_n_s_logger); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 169, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_t_3, __pyx_n_s_debug); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 169, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_kp_u_Opening_environment_at, __pyx_n_s_format); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 169, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_5);
  __pyx_t_6 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_5))) {
    __pyx_t_6 = PyMethod_GET_SELF(__pyx_t_5);
    if (likely(__pyx_t_6)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
      __Pyx_INCREF(__pyx_t_6);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_5, function);
    }
  }
  if (!__pyx_t_6) {
    __pyx_t_3 = __Pyx_PyObject_CallOneArg(__pyx_t_5, __pyx_v_self->env_path); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 169, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_5)) {
      PyObject *__pyx_temp[2] = {__pyx_t_6, __pyx_v_self->env_path};
      __pyx_t_3 = __Pyx_PyFunction_FastCall(__pyx_t_5, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 169, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
      __Pyx_GOTREF(__pyx_t_3);
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_5)) {
      PyObject *__pyx_temp[2] = {__pyx_t_6, __pyx_v_self->env_path};
      __pyx_t_3 = __Pyx_PyCFunction_FastCall(__pyx_t_5, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 169, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
      __Pyx_GOTREF(__pyx_t_3);
    } else
    #endif
    {
      __pyx_t_7 = PyTuple_New(1+1); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 169, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_7);
      __Pyx_GIVEREF(__pyx_t_6); PyTuple_SET_ITEM(__pyx_t_7, 0, __pyx_t_6); __pyx_t_6 = NULL;
      __Pyx_INCREF(__pyx_v_self->env_path);
      __Pyx_GIVEREF(__pyx_v_self->env_path);
      PyTuple_SET_ITEM(__pyx_t_7, 0+1, __pyx_v_self->env_path);
      __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_5, __pyx_t_7, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 169, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
  __pyx_t_5 = NULL;
  if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_4))) {
    __pyx_t_5 = PyMethod_GET_SELF(__pyx_t_4);
    if (likely(__pyx_t_5)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_4);
      __Pyx_INCREF(__pyx_t_5);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_4, function);
    }
  }
  if (!__pyx_t_5) {
    __pyx_t_1 = __Pyx_PyObject_CallOneArg(__pyx_t_4, __pyx_t_3); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 169, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __Pyx_GOTREF(__pyx_t_1);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_4)) {
      PyObject *__pyx_temp[2] = {__pyx_t_5, __pyx_t_3};
      __pyx_t_1 = __Pyx_PyFunction_FastCall(__pyx_t_4, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 169, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
      __Pyx_GOTREF(__pyx_t_1);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_4)) {
      PyObject *__pyx_temp[2] = {__pyx_t_5, __pyx_t_3};
      __pyx_t_1 = __Pyx_PyCFunction_FastCall(__pyx_t_4, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 169, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
      __Pyx_GOTREF(__pyx_t_1);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    } else
    #endif
    {
      __pyx_t_7 = PyTuple_New(1+1); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 169, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_7);
      __Pyx_GIVEREF(__pyx_t_5); PyTuple_SET_ITEM(__pyx_t_7, 0, __pyx_t_5); __pyx_t_5 = NULL;
      __Pyx_GIVEREF(__pyx_t_3);
      PyTuple_SET_ITEM(__pyx_t_7, 0+1, __pyx_t_3);
      __pyx_t_3 = 0;
      __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_t_7, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 169, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_1);
      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":170
 * 
 *         logger.debug('Opening environment at {}.'.format(self.env_path))
 *         if create:             # <<<<<<<<<<<<<<
 *             #logger.info('Creating db env at {}'.format(self.env_path))
 *             parent_path = (
 */
  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_v_create); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(0, 170, __pyx_L1_error)
  if (__pyx_t_2) {

    /* "lakesuperior/store/base_lmdb_store.pyx":174
 *             parent_path = (
 *                     path.dirname(self.env_path)
 *                     if lmdb.MDB_NOSUBDIR & self.flags             # <<<<<<<<<<<<<<
 *                     else self.env_path)
 * 
 */
    __pyx_t_4 = __Pyx_PyInt_From_int(MDB_NOSUBDIR); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 174, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __pyx_t_7 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_flags); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 174, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_7);
    __pyx_t_3 = PyNumber_And(__pyx_t_4, __pyx_t_7); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 174, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(0, 174, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    if (__pyx_t_2) {

      /* "lakesuperior/store/base_lmdb_store.pyx":173
 *             #logger.info('Creating db env at {}'.format(self.env_path))
 *             parent_path = (
 *                     path.dirname(self.env_path)             # <<<<<<<<<<<<<<
 *                     if lmdb.MDB_NOSUBDIR & self.flags
 *                     else self.env_path)
 */
      __pyx_t_7 = __Pyx_GetModuleGlobalName(__pyx_n_s_path); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 173, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_7);
      __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_t_7, __pyx_n_s_dirname); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 173, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
      __pyx_t_7 = NULL;
      if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_4))) {
        __pyx_t_7 = PyMethod_GET_SELF(__pyx_t_4);
        if (likely(__pyx_t_7)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_4);
          __Pyx_INCREF(__pyx_t_7);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_4, function);
        }
      }
      if (!__pyx_t_7) {
        __pyx_t_3 = __Pyx_PyObject_CallOneArg(__pyx_t_4, __pyx_v_self->env_path); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 173, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_3);
      } else {
        #if CYTHON_FAST_PYCALL
        if (PyFunction_Check(__pyx_t_4)) {
          PyObject *__pyx_temp[2] = {__pyx_t_7, __pyx_v_self->env_path};
          __pyx_t_3 = __Pyx_PyFunction_FastCall(__pyx_t_4, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 173, __pyx_L1_error)
          __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
          __Pyx_GOTREF(__pyx_t_3);
        } else
        #endif
        #if CYTHON_FAST_PYCCALL
        if (__Pyx_PyFastCFunction_Check(__pyx_t_4)) {
          PyObject *__pyx_temp[2] = {__pyx_t_7, __pyx_v_self->env_path};
          __pyx_t_3 = __Pyx_PyCFunction_FastCall(__pyx_t_4, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 173, __pyx_L1_error)
          __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
          __Pyx_GOTREF(__pyx_t_3);
        } else
        #endif
        {
          __pyx_t_5 = PyTuple_New(1+1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 173, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_5);
          __Pyx_GIVEREF(__pyx_t_7); PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_7); __pyx_t_7 = NULL;
          __Pyx_INCREF(__pyx_v_self->env_path);
          __Pyx_GIVEREF(__pyx_v_self->env_path);
          PyTuple_SET_ITEM(__pyx_t_5, 0+1, __pyx_v_self->env_path);
          __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_t_5, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 173, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_3);
          __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
        }
      }
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __pyx_t_1 = __pyx_t_3;
      __pyx_t_3 = 0;
    } else {

      /* "lakesuperior/store/base_lmdb_store.pyx":175
 *                     path.dirname(self.env_path)
 *                     if lmdb.MDB_NOSUBDIR & self.flags
 *                     else self.env_path)             # <<<<<<<<<<<<<<
 * 
 *             if not path.exists(parent_path):
 */
      __Pyx_INCREF(__pyx_v_self->env_path);
      __pyx_t_1 = __pyx_v_self->env_path;
    }
    __pyx_v_parent_path = __pyx_t_1;
    __pyx_t_1 = 0;

    /* "lakesuperior/store/base_lmdb_store.pyx":177
 *                     else self.env_path)
 * 
 *             if not path.exists(parent_path):             # <<<<<<<<<<<<<<
 *                 #logger.info(
 *                 #        'Creating store directory at {}'.format(parent_path))
 */
    __pyx_t_3 = __Pyx_GetModuleGlobalName(__pyx_n_s_path); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 177, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_t_3, __pyx_n_s_exists); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 177, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __pyx_t_3 = NULL;
    if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_4))) {
      __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_4);
      if (likely(__pyx_t_3)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_4);
        __Pyx_INCREF(__pyx_t_3);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_4, function);
      }
    }
    if (!__pyx_t_3) {
      __pyx_t_1 = __Pyx_PyObject_CallOneArg(__pyx_t_4, __pyx_v_parent_path); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 177, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_1);
    } else {
      #if CYTHON_FAST_PYCALL
      if (PyFunction_Check(__pyx_t_4)) {
        PyObject *__pyx_temp[2] = {__pyx_t_3, __pyx_v_parent_path};
        __pyx_t_1 = __Pyx_PyFunction_FastCall(__pyx_t_4, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 177, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
        __Pyx_GOTREF(__pyx_t_1);
      } else
      #endif
      #if CYTHON_FAST_PYCCALL
      if (__Pyx_PyFastCFunction_Check(__pyx_t_4)) {
        PyObject *__pyx_temp[2] = {__pyx_t_3, __pyx_v_parent_path};
        __pyx_t_1 = __Pyx_PyCFunction_FastCall(__pyx_t_4, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 177, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
        __Pyx_GOTREF(__pyx_t_1);
      } else
      #endif
      {
        __pyx_t_5 = PyTuple_New(1+1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 177, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_5);
        __Pyx_GIVEREF(__pyx_t_3); PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_3); __pyx_t_3 = NULL;
        __Pyx_INCREF(__pyx_v_parent_path);
        __Pyx_GIVEREF(__pyx_v_parent_path);
        PyTuple_SET_ITEM(__pyx_t_5, 0+1, __pyx_v_parent_path);
        __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_t_5, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 177, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_1);
        __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      }
    }
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(0, 177, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __pyx_t_8 = ((!__pyx_t_2) != 0);
    if (__pyx_t_8) {

      /* "lakesuperior/store/base_lmdb_store.pyx":180
 *                 #logger.info(
 *                 #        'Creating store directory at {}'.format(parent_path))
 *                 try:             # <<<<<<<<<<<<<<
 *                     makedirs(parent_path, mode=0o750, exist_ok=True)
 *                 except Exception as e:
 */
      {
        __Pyx_PyThreadState_declare
        __Pyx_PyThreadState_assign
        __Pyx_ExceptionSave(&__pyx_t_9, &__pyx_t_10, &__pyx_t_11);
        __Pyx_XGOTREF(__pyx_t_9);
        __Pyx_XGOTREF(__pyx_t_10);
        __Pyx_XGOTREF(__pyx_t_11);
        /*try:*/ {

          /* "lakesuperior/store/base_lmdb_store.pyx":181
 *                 #        'Creating store directory at {}'.format(parent_path))
 *                 try:
 *                     makedirs(parent_path, mode=0o750, exist_ok=True)             # <<<<<<<<<<<<<<
 *                 except Exception as e:
 *                     raise LmdbError(
 */
          __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_makedirs); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 181, __pyx_L6_error)
          __Pyx_GOTREF(__pyx_t_1);
          __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 181, __pyx_L6_error)
          __Pyx_GOTREF(__pyx_t_4);
          __Pyx_INCREF(__pyx_v_parent_path);
          __Pyx_GIVEREF(__pyx_v_parent_path);
          PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_v_parent_path);
          __pyx_t_5 = __Pyx_PyDict_NewPresized(2); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 181, __pyx_L6_error)
          __Pyx_GOTREF(__pyx_t_5);
          if (PyDict_SetItem(__pyx_t_5, __pyx_n_s_mode, __pyx_int_488) < 0) __PYX_ERR(0, 181, __pyx_L6_error)
          if (PyDict_SetItem(__pyx_t_5, __pyx_n_s_exist_ok, Py_True) < 0) __PYX_ERR(0, 181, __pyx_L6_error)
          __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_1, __pyx_t_4, __pyx_t_5); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 181, __pyx_L6_error)
          __Pyx_GOTREF(__pyx_t_3);
          __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
          __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
          __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
          __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

          /* "lakesuperior/store/base_lmdb_store.pyx":180
 *                 #logger.info(
 *                 #        'Creating store directory at {}'.format(parent_path))
 *                 try:             # <<<<<<<<<<<<<<
 *                     makedirs(parent_path, mode=0o750, exist_ok=True)
 *                 except Exception as e:
 */
        }
        __Pyx_XDECREF(__pyx_t_9); __pyx_t_9 = 0;
        __Pyx_XDECREF(__pyx_t_10); __pyx_t_10 = 0;
        __Pyx_XDECREF(__pyx_t_11); __pyx_t_11 = 0;
        goto __pyx_L11_try_end;
        __pyx_L6_error:;
        __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
        __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
        __Pyx_XDECREF(__pyx_t_1); __pyx_t_1 = 0;
        __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
        __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
        __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;

        /* "lakesuperior/store/base_lmdb_store.pyx":182
 *                 try:
 *                     makedirs(parent_path, mode=0o750, exist_ok=True)
 *                 except Exception as e:             # <<<<<<<<<<<<<<
 *                     raise LmdbError(
 *                         'Could not create store at {}. Error: {}'.format(
 */
        __pyx_t_12 = __Pyx_PyErr_ExceptionMatches(((PyObject *)(&((PyTypeObject*)PyExc_Exception)[0])));
        if (__pyx_t_12) {
          __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.open_env", __pyx_clineno, __pyx_lineno, __pyx_filename);
          if (__Pyx_GetException(&__pyx_t_3, &__pyx_t_5, &__pyx_t_4) < 0) __PYX_ERR(0, 182, __pyx_L8_except_error)
          __Pyx_GOTREF(__pyx_t_3);
          __Pyx_GOTREF(__pyx_t_5);
          __Pyx_GOTREF(__pyx_t_4);
          __Pyx_INCREF(__pyx_t_5);
          __pyx_v_e = __pyx_t_5;
          /*try:*/ {

            /* "lakesuperior/store/base_lmdb_store.pyx":183
 *                     makedirs(parent_path, mode=0o750, exist_ok=True)
 *                 except Exception as e:
 *                     raise LmdbError(             # <<<<<<<<<<<<<<
 *                         'Could not create store at {}. Error: {}'.format(
 *                             self.env_path, e))
 */
            __pyx_t_7 = __Pyx_GetModuleGlobalName(__pyx_n_s_LmdbError); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 183, __pyx_L17_error)
            __Pyx_GOTREF(__pyx_t_7);

            /* "lakesuperior/store/base_lmdb_store.pyx":184
 *                 except Exception as e:
 *                     raise LmdbError(
 *                         'Could not create store at {}. Error: {}'.format(             # <<<<<<<<<<<<<<
 *                             self.env_path, e))
 * 
 */
            __pyx_t_13 = __Pyx_PyObject_GetAttrStr(__pyx_kp_u_Could_not_create_store_at_Error, __pyx_n_s_format); if (unlikely(!__pyx_t_13)) __PYX_ERR(0, 184, __pyx_L17_error)
            __Pyx_GOTREF(__pyx_t_13);

            /* "lakesuperior/store/base_lmdb_store.pyx":185
 *                     raise LmdbError(
 *                         'Could not create store at {}. Error: {}'.format(
 *                             self.env_path, e))             # <<<<<<<<<<<<<<
 * 
 *         # Create environment handle.
 */
            __pyx_t_14 = NULL;
            __pyx_t_12 = 0;
            if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_13))) {
              __pyx_t_14 = PyMethod_GET_SELF(__pyx_t_13);
              if (likely(__pyx_t_14)) {
                PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_13);
                __Pyx_INCREF(__pyx_t_14);
                __Pyx_INCREF(function);
                __Pyx_DECREF_SET(__pyx_t_13, function);
                __pyx_t_12 = 1;
              }
            }
            #if CYTHON_FAST_PYCALL
            if (PyFunction_Check(__pyx_t_13)) {
              PyObject *__pyx_temp[3] = {__pyx_t_14, __pyx_v_self->env_path, __pyx_v_e};
              __pyx_t_6 = __Pyx_PyFunction_FastCall(__pyx_t_13, __pyx_temp+1-__pyx_t_12, 2+__pyx_t_12); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 184, __pyx_L17_error)
              __Pyx_XDECREF(__pyx_t_14); __pyx_t_14 = 0;
              __Pyx_GOTREF(__pyx_t_6);
            } else
            #endif
            #if CYTHON_FAST_PYCCALL
            if (__Pyx_PyFastCFunction_Check(__pyx_t_13)) {
              PyObject *__pyx_temp[3] = {__pyx_t_14, __pyx_v_self->env_path, __pyx_v_e};
              __pyx_t_6 = __Pyx_PyCFunction_FastCall(__pyx_t_13, __pyx_temp+1-__pyx_t_12, 2+__pyx_t_12); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 184, __pyx_L17_error)
              __Pyx_XDECREF(__pyx_t_14); __pyx_t_14 = 0;
              __Pyx_GOTREF(__pyx_t_6);
            } else
            #endif
            {
              __pyx_t_15 = PyTuple_New(2+__pyx_t_12); if (unlikely(!__pyx_t_15)) __PYX_ERR(0, 184, __pyx_L17_error)
              __Pyx_GOTREF(__pyx_t_15);
              if (__pyx_t_14) {
                __Pyx_GIVEREF(__pyx_t_14); PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_t_14); __pyx_t_14 = NULL;
              }
              __Pyx_INCREF(__pyx_v_self->env_path);
              __Pyx_GIVEREF(__pyx_v_self->env_path);
              PyTuple_SET_ITEM(__pyx_t_15, 0+__pyx_t_12, __pyx_v_self->env_path);
              __Pyx_INCREF(__pyx_v_e);
              __Pyx_GIVEREF(__pyx_v_e);
              PyTuple_SET_ITEM(__pyx_t_15, 1+__pyx_t_12, __pyx_v_e);
              __pyx_t_6 = __Pyx_PyObject_Call(__pyx_t_13, __pyx_t_15, NULL); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 184, __pyx_L17_error)
              __Pyx_GOTREF(__pyx_t_6);
              __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
            }
            __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
            __pyx_t_13 = NULL;
            if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_7))) {
              __pyx_t_13 = PyMethod_GET_SELF(__pyx_t_7);
              if (likely(__pyx_t_13)) {
                PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_7);
                __Pyx_INCREF(__pyx_t_13);
                __Pyx_INCREF(function);
                __Pyx_DECREF_SET(__pyx_t_7, function);
              }
            }
            if (!__pyx_t_13) {
              __pyx_t_1 = __Pyx_PyObject_CallOneArg(__pyx_t_7, __pyx_t_6); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 183, __pyx_L17_error)
              __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
              __Pyx_GOTREF(__pyx_t_1);
            } else {
              #if CYTHON_FAST_PYCALL
              if (PyFunction_Check(__pyx_t_7)) {
                PyObject *__pyx_temp[2] = {__pyx_t_13, __pyx_t_6};
                __pyx_t_1 = __Pyx_PyFunction_FastCall(__pyx_t_7, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 183, __pyx_L17_error)
                __Pyx_XDECREF(__pyx_t_13); __pyx_t_13 = 0;
                __Pyx_GOTREF(__pyx_t_1);
                __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
              } else
              #endif
              #if CYTHON_FAST_PYCCALL
              if (__Pyx_PyFastCFunction_Check(__pyx_t_7)) {
                PyObject *__pyx_temp[2] = {__pyx_t_13, __pyx_t_6};
                __pyx_t_1 = __Pyx_PyCFunction_FastCall(__pyx_t_7, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 183, __pyx_L17_error)
                __Pyx_XDECREF(__pyx_t_13); __pyx_t_13 = 0;
                __Pyx_GOTREF(__pyx_t_1);
                __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
              } else
              #endif
              {
                __pyx_t_15 = PyTuple_New(1+1); if (unlikely(!__pyx_t_15)) __PYX_ERR(0, 183, __pyx_L17_error)
                __Pyx_GOTREF(__pyx_t_15);
                __Pyx_GIVEREF(__pyx_t_13); PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_t_13); __pyx_t_13 = NULL;
                __Pyx_GIVEREF(__pyx_t_6);
                PyTuple_SET_ITEM(__pyx_t_15, 0+1, __pyx_t_6);
                __pyx_t_6 = 0;
                __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_7, __pyx_t_15, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 183, __pyx_L17_error)
                __Pyx_GOTREF(__pyx_t_1);
                __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
              }
            }
            __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
            __Pyx_Raise(__pyx_t_1, 0, 0, 0);
            __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
            __PYX_ERR(0, 183, __pyx_L17_error)
          }

          /* "lakesuperior/store/base_lmdb_store.pyx":182
 *                 try:
 *                     makedirs(parent_path, mode=0o750, exist_ok=True)
 *                 except Exception as e:             # <<<<<<<<<<<<<<
 *                     raise LmdbError(
 *                         'Could not create store at {}. Error: {}'.format(
 */
          /*finally:*/ {
            __pyx_L17_error:;
            /*exception exit:*/{
              __Pyx_PyThreadState_declare
              __Pyx_PyThreadState_assign
              __pyx_t_18 = 0; __pyx_t_19 = 0; __pyx_t_20 = 0; __pyx_t_21 = 0; __pyx_t_22 = 0; __pyx_t_23 = 0;
              __Pyx_XDECREF(__pyx_t_14); __pyx_t_14 = 0;
              __Pyx_XDECREF(__pyx_t_13); __pyx_t_13 = 0;
              __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
              __Pyx_XDECREF(__pyx_t_15); __pyx_t_15 = 0;
              __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
              __Pyx_XDECREF(__pyx_t_1); __pyx_t_1 = 0;
              if (PY_MAJOR_VERSION >= 3) __Pyx_ExceptionSwap(&__pyx_t_21, &__pyx_t_22, &__pyx_t_23);
              if ((PY_MAJOR_VERSION < 3) || unlikely(__Pyx_GetException(&__pyx_t_18, &__pyx_t_19, &__pyx_t_20) < 0)) __Pyx_ErrFetch(&__pyx_t_18, &__pyx_t_19, &__pyx_t_20);
              __Pyx_XGOTREF(__pyx_t_18);
              __Pyx_XGOTREF(__pyx_t_19);
              __Pyx_XGOTREF(__pyx_t_20);
              __Pyx_XGOTREF(__pyx_t_21);
              __Pyx_XGOTREF(__pyx_t_22);
              __Pyx_XGOTREF(__pyx_t_23);
              __pyx_t_12 = __pyx_lineno; __pyx_t_16 = __pyx_clineno; __pyx_t_17 = __pyx_filename;
              {
                __Pyx_DECREF(__pyx_v_e);
                __pyx_v_e = NULL;
              }
              if (PY_MAJOR_VERSION >= 3) {
                __Pyx_XGIVEREF(__pyx_t_21);
                __Pyx_XGIVEREF(__pyx_t_22);
                __Pyx_XGIVEREF(__pyx_t_23);
                __Pyx_ExceptionReset(__pyx_t_21, __pyx_t_22, __pyx_t_23);
              }
              __Pyx_XGIVEREF(__pyx_t_18);
              __Pyx_XGIVEREF(__pyx_t_19);
              __Pyx_XGIVEREF(__pyx_t_20);
              __Pyx_ErrRestore(__pyx_t_18, __pyx_t_19, __pyx_t_20);
              __pyx_t_18 = 0; __pyx_t_19 = 0; __pyx_t_20 = 0; __pyx_t_21 = 0; __pyx_t_22 = 0; __pyx_t_23 = 0;
              __pyx_lineno = __pyx_t_12; __pyx_clineno = __pyx_t_16; __pyx_filename = __pyx_t_17;
              goto __pyx_L8_except_error;
            }
          }
        }
        goto __pyx_L8_except_error;
        __pyx_L8_except_error:;

        /* "lakesuperior/store/base_lmdb_store.pyx":180
 *                 #logger.info(
 *                 #        'Creating store directory at {}'.format(parent_path))
 *                 try:             # <<<<<<<<<<<<<<
 *                     makedirs(parent_path, mode=0o750, exist_ok=True)
 *                 except Exception as e:
 */
        __Pyx_XGIVEREF(__pyx_t_9);
        __Pyx_XGIVEREF(__pyx_t_10);
        __Pyx_XGIVEREF(__pyx_t_11);
        __Pyx_ExceptionReset(__pyx_t_9, __pyx_t_10, __pyx_t_11);
        goto __pyx_L1_error;
        __pyx_L11_try_end:;
      }

      /* "lakesuperior/store/base_lmdb_store.pyx":177
 *                     else self.env_path)
 * 
 *             if not path.exists(parent_path):             # <<<<<<<<<<<<<<
 *                 #logger.info(
 *                 #        'Creating store directory at {}'.format(parent_path))
 */
    }

    /* "lakesuperior/store/base_lmdb_store.pyx":170
 * 
 *         logger.debug('Opening environment at {}.'.format(self.env_path))
 *         if create:             # <<<<<<<<<<<<<<
 *             #logger.info('Creating db env at {}'.format(self.env_path))
 *             parent_path = (
 */
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":188
 * 
 *         # Create environment handle.
 *         _check(             # <<<<<<<<<<<<<<
 *                 lmdb.mdb_env_create(&self.dbenv),
 *                 'Error creating DB environment handle: {}')
 */
  __pyx_t_24.__pyx_n = 1;
  __pyx_t_24.message = __pyx_kp_u_Error_creating_DB_environment_ha;
  __pyx_f_12lakesuperior_5store_15base_lmdb_store__check(mdb_env_create((&__pyx_v_self->dbenv)), &__pyx_t_24); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 188, __pyx_L1_error)

  /* "lakesuperior/store/base_lmdb_store.pyx":191
 *                 lmdb.mdb_env_create(&self.dbenv),
 *                 'Error creating DB environment handle: {}')
 *         logger.debug('Created DBenv @ {:x}'.format(<unsigned long>self.dbenv))             # <<<<<<<<<<<<<<
 * 
 *         # Set map size.
 */
  __pyx_t_5 = __Pyx_GetModuleGlobalName(__pyx_n_s_logger); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 191, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_5);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_5, __pyx_n_s_debug); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 191, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_kp_u_Created_DBenv_x, __pyx_n_s_format); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 191, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_7 = __Pyx_PyInt_From_unsigned_long(((unsigned long)__pyx_v_self->dbenv)); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 191, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_7);
  __pyx_t_15 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_1))) {
    __pyx_t_15 = PyMethod_GET_SELF(__pyx_t_1);
    if (likely(__pyx_t_15)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_1);
      __Pyx_INCREF(__pyx_t_15);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_1, function);
    }
  }
  if (!__pyx_t_15) {
    __pyx_t_5 = __Pyx_PyObject_CallOneArg(__pyx_t_1, __pyx_t_7); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 191, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    __Pyx_GOTREF(__pyx_t_5);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_1)) {
      PyObject *__pyx_temp[2] = {__pyx_t_15, __pyx_t_7};
      __pyx_t_5 = __Pyx_PyFunction_FastCall(__pyx_t_1, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 191, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_15); __pyx_t_15 = 0;
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_1)) {
      PyObject *__pyx_temp[2] = {__pyx_t_15, __pyx_t_7};
      __pyx_t_5 = __Pyx_PyCFunction_FastCall(__pyx_t_1, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 191, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_15); __pyx_t_15 = 0;
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    } else
    #endif
    {
      __pyx_t_6 = PyTuple_New(1+1); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 191, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_6);
      __Pyx_GIVEREF(__pyx_t_15); PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_t_15); __pyx_t_15 = NULL;
      __Pyx_GIVEREF(__pyx_t_7);
      PyTuple_SET_ITEM(__pyx_t_6, 0+1, __pyx_t_7);
      __pyx_t_7 = 0;
      __pyx_t_5 = __Pyx_PyObject_Call(__pyx_t_1, __pyx_t_6, NULL); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 191, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_1 = NULL;
  if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_3))) {
    __pyx_t_1 = PyMethod_GET_SELF(__pyx_t_3);
    if (likely(__pyx_t_1)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_1);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_3, function);
    }
  }
  if (!__pyx_t_1) {
    __pyx_t_4 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_5); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 191, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    __Pyx_GOTREF(__pyx_t_4);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_3)) {
      PyObject *__pyx_temp[2] = {__pyx_t_1, __pyx_t_5};
      __pyx_t_4 = __Pyx_PyFunction_FastCall(__pyx_t_3, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 191, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_1); __pyx_t_1 = 0;
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_3)) {
      PyObject *__pyx_temp[2] = {__pyx_t_1, __pyx_t_5};
      __pyx_t_4 = __Pyx_PyCFunction_FastCall(__pyx_t_3, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 191, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_1); __pyx_t_1 = 0;
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    } else
    #endif
    {
      __pyx_t_6 = PyTuple_New(1+1); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 191, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_6);
      __Pyx_GIVEREF(__pyx_t_1); PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_t_1); __pyx_t_1 = NULL;
      __Pyx_GIVEREF(__pyx_t_5);
      PyTuple_SET_ITEM(__pyx_t_6, 0+1, __pyx_t_5);
      __pyx_t_5 = 0;
      __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_6, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 191, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":195
 *         # Set map size.
 *         _check(
 *                 lmdb.mdb_env_set_mapsize(self.dbenv, self.options.get(             # <<<<<<<<<<<<<<
 *                     'map_size', 1024 ** 3)),
 *                 'Error setting map size: {}')
 */
  __pyx_t_4 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_options); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 195, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_4, __pyx_n_s_get); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 195, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_tuple__3, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 195, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_t_25 = __Pyx_PyInt_As_size_t(__pyx_t_4); if (unlikely((__pyx_t_25 == (size_t)-1) && PyErr_Occurred())) __PYX_ERR(0, 195, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":194
 * 
 *         # Set map size.
 *         _check(             # <<<<<<<<<<<<<<
 *                 lmdb.mdb_env_set_mapsize(self.dbenv, self.options.get(
 *                     'map_size', 1024 ** 3)),
 */
  __pyx_t_24.__pyx_n = 1;
  __pyx_t_24.message = __pyx_kp_u_Error_setting_map_size;
  __pyx_f_12lakesuperior_5store_15base_lmdb_store__check(mdb_env_set_mapsize(__pyx_v_self->dbenv, __pyx_t_25), &__pyx_t_24); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 194, __pyx_L1_error)

  /* "lakesuperior/store/base_lmdb_store.pyx":200
 * 
 *         # Set max databases.
 *         max_dbs = self.options.get('max_dbs', len(self.dbi_labels))             # <<<<<<<<<<<<<<
 *         _check(
 *                 lmdb.mdb_env_set_maxdbs(self.dbenv, max_dbs),
 */
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_options); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 200, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_t_6 = __Pyx_PyObject_GetAttrStr(__pyx_t_3, __pyx_n_s_get); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 200, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_6);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_dbi_labels); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 200, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_t_26 = PyObject_Length(__pyx_t_3); if (unlikely(__pyx_t_26 == ((Py_ssize_t)-1))) __PYX_ERR(0, 200, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_t_3 = PyInt_FromSsize_t(__pyx_t_26); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 200, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_t_5 = NULL;
  __pyx_t_16 = 0;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_6))) {
    __pyx_t_5 = PyMethod_GET_SELF(__pyx_t_6);
    if (likely(__pyx_t_5)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_6);
      __Pyx_INCREF(__pyx_t_5);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_6, function);
      __pyx_t_16 = 1;
    }
  }
  #if CYTHON_FAST_PYCALL
  if (PyFunction_Check(__pyx_t_6)) {
    PyObject *__pyx_temp[3] = {__pyx_t_5, __pyx_n_u_max_dbs, __pyx_t_3};
    __pyx_t_4 = __Pyx_PyFunction_FastCall(__pyx_t_6, __pyx_temp+1-__pyx_t_16, 2+__pyx_t_16); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 200, __pyx_L1_error)
    __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  } else
  #endif
  #if CYTHON_FAST_PYCCALL
  if (__Pyx_PyFastCFunction_Check(__pyx_t_6)) {
    PyObject *__pyx_temp[3] = {__pyx_t_5, __pyx_n_u_max_dbs, __pyx_t_3};
    __pyx_t_4 = __Pyx_PyCFunction_FastCall(__pyx_t_6, __pyx_temp+1-__pyx_t_16, 2+__pyx_t_16); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 200, __pyx_L1_error)
    __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  } else
  #endif
  {
    __pyx_t_1 = PyTuple_New(2+__pyx_t_16); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 200, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    if (__pyx_t_5) {
      __Pyx_GIVEREF(__pyx_t_5); PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_t_5); __pyx_t_5 = NULL;
    }
    __Pyx_INCREF(__pyx_n_u_max_dbs);
    __Pyx_GIVEREF(__pyx_n_u_max_dbs);
    PyTuple_SET_ITEM(__pyx_t_1, 0+__pyx_t_16, __pyx_n_u_max_dbs);
    __Pyx_GIVEREF(__pyx_t_3);
    PyTuple_SET_ITEM(__pyx_t_1, 1+__pyx_t_16, __pyx_t_3);
    __pyx_t_3 = 0;
    __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_6, __pyx_t_1, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 200, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  }
  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
  __pyx_v_max_dbs = __pyx_t_4;
  __pyx_t_4 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":202
 *         max_dbs = self.options.get('max_dbs', len(self.dbi_labels))
 *         _check(
 *                 lmdb.mdb_env_set_maxdbs(self.dbenv, max_dbs),             # <<<<<<<<<<<<<<
 *                 'Error setting max. databases: {}')
 * 
 */
  __pyx_t_27 = __Pyx_PyInt_As_MDB_dbi(__pyx_v_max_dbs); if (unlikely((__pyx_t_27 == ((MDB_dbi)-1)) && PyErr_Occurred())) __PYX_ERR(0, 202, __pyx_L1_error)

  /* "lakesuperior/store/base_lmdb_store.pyx":201
 *         # Set max databases.
 *         max_dbs = self.options.get('max_dbs', len(self.dbi_labels))
 *         _check(             # <<<<<<<<<<<<<<
 *                 lmdb.mdb_env_set_maxdbs(self.dbenv, max_dbs),
 *                 'Error setting max. databases: {}')
 */
  __pyx_t_24.__pyx_n = 1;
  __pyx_t_24.message = __pyx_kp_u_Error_setting_max_databases;
  __pyx_f_12lakesuperior_5store_15base_lmdb_store__check(mdb_env_set_maxdbs(__pyx_v_self->dbenv, __pyx_t_27), &__pyx_t_24); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 201, __pyx_L1_error)

  /* "lakesuperior/store/base_lmdb_store.pyx":206
 * 
 *         # Set max readers.
 *         self._readers = self.options.get(             # <<<<<<<<<<<<<<
 *                 'max_spare_txns', wsgi.workers * self.readers_mult)
 *         _check(
 */
  __pyx_t_6 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_options); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 206, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_6);
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_t_6, __pyx_n_s_get); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 206, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":207
 *         # Set max readers.
 *         self._readers = self.options.get(
 *                 'max_spare_txns', wsgi.workers * self.readers_mult)             # <<<<<<<<<<<<<<
 *         _check(
 *                 lmdb.mdb_env_set_maxreaders(self.dbenv, self._readers),
 */
  __pyx_t_6 = __Pyx_GetModuleGlobalName(__pyx_n_s_wsgi); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 207, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_6);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_6, __pyx_n_s_workers); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 207, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
  __pyx_t_6 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_readers_mult); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 207, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_6);
  __pyx_t_5 = PyNumber_Multiply(__pyx_t_3, __pyx_t_6); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 207, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_5);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
  __pyx_t_6 = NULL;
  __pyx_t_16 = 0;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_1))) {
    __pyx_t_6 = PyMethod_GET_SELF(__pyx_t_1);
    if (likely(__pyx_t_6)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_1);
      __Pyx_INCREF(__pyx_t_6);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_1, function);
      __pyx_t_16 = 1;
    }
  }
  #if CYTHON_FAST_PYCALL
  if (PyFunction_Check(__pyx_t_1)) {
    PyObject *__pyx_temp[3] = {__pyx_t_6, __pyx_n_u_max_spare_txns, __pyx_t_5};
    __pyx_t_4 = __Pyx_PyFunction_FastCall(__pyx_t_1, __pyx_temp+1-__pyx_t_16, 2+__pyx_t_16); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 206, __pyx_L1_error)
    __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
  } else
  #endif
  #if CYTHON_FAST_PYCCALL
  if (__Pyx_PyFastCFunction_Check(__pyx_t_1)) {
    PyObject *__pyx_temp[3] = {__pyx_t_6, __pyx_n_u_max_spare_txns, __pyx_t_5};
    __pyx_t_4 = __Pyx_PyCFunction_FastCall(__pyx_t_1, __pyx_temp+1-__pyx_t_16, 2+__pyx_t_16); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 206, __pyx_L1_error)
    __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
  } else
  #endif
  {
    __pyx_t_3 = PyTuple_New(2+__pyx_t_16); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 206, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    if (__pyx_t_6) {
      __Pyx_GIVEREF(__pyx_t_6); PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_6); __pyx_t_6 = NULL;
    }
    __Pyx_INCREF(__pyx_n_u_max_spare_txns);
    __Pyx_GIVEREF(__pyx_n_u_max_spare_txns);
    PyTuple_SET_ITEM(__pyx_t_3, 0+__pyx_t_16, __pyx_n_u_max_spare_txns);
    __Pyx_GIVEREF(__pyx_t_5);
    PyTuple_SET_ITEM(__pyx_t_3, 1+__pyx_t_16, __pyx_t_5);
    __pyx_t_5 = 0;
    __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_1, __pyx_t_3, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 206, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  }
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":206
 * 
 *         # Set max readers.
 *         self._readers = self.options.get(             # <<<<<<<<<<<<<<
 *                 'max_spare_txns', wsgi.workers * self.readers_mult)
 *         _check(
 */
  __pyx_t_28 = __Pyx_PyInt_As_unsigned_int(__pyx_t_4); if (unlikely((__pyx_t_28 == (unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 206, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  __pyx_v_self->_readers = __pyx_t_28;

  /* "lakesuperior/store/base_lmdb_store.pyx":208
 *         self._readers = self.options.get(
 *                 'max_spare_txns', wsgi.workers * self.readers_mult)
 *         _check(             # <<<<<<<<<<<<<<
 *                 lmdb.mdb_env_set_maxreaders(self.dbenv, self._readers),
 *                 'Error setting max. readers: {}')
 */
  __pyx_t_24.__pyx_n = 1;
  __pyx_t_24.message = __pyx_kp_u_Error_setting_max_readers;
  __pyx_f_12lakesuperior_5store_15base_lmdb_store__check(mdb_env_set_maxreaders(__pyx_v_self->dbenv, __pyx_v_self->_readers), &__pyx_t_24); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 208, __pyx_L1_error)

  /* "lakesuperior/store/base_lmdb_store.pyx":211
 *                 lmdb.mdb_env_set_maxreaders(self.dbenv, self._readers),
 *                 'Error setting max. readers: {}')
 *         logger.debug('Max. readers: {}'.format(self._readers))             # <<<<<<<<<<<<<<
 * 
 *         # Clear stale readers.
 */
  __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_logger); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 211, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_debug); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 211, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_kp_u_Max_readers, __pyx_n_s_format); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 211, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_5);
  __pyx_t_6 = __Pyx_PyInt_From_unsigned_int(__pyx_v_self->_readers); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 211, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_6);
  __pyx_t_7 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_5))) {
    __pyx_t_7 = PyMethod_GET_SELF(__pyx_t_5);
    if (likely(__pyx_t_7)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
      __Pyx_INCREF(__pyx_t_7);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_5, function);
    }
  }
  if (!__pyx_t_7) {
    __pyx_t_1 = __Pyx_PyObject_CallOneArg(__pyx_t_5, __pyx_t_6); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 211, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    __Pyx_GOTREF(__pyx_t_1);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_5)) {
      PyObject *__pyx_temp[2] = {__pyx_t_7, __pyx_t_6};
      __pyx_t_1 = __Pyx_PyFunction_FastCall(__pyx_t_5, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 211, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
      __Pyx_GOTREF(__pyx_t_1);
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_5)) {
      PyObject *__pyx_temp[2] = {__pyx_t_7, __pyx_t_6};
      __pyx_t_1 = __Pyx_PyCFunction_FastCall(__pyx_t_5, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 211, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
      __Pyx_GOTREF(__pyx_t_1);
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    } else
    #endif
    {
      __pyx_t_15 = PyTuple_New(1+1); if (unlikely(!__pyx_t_15)) __PYX_ERR(0, 211, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_15);
      __Pyx_GIVEREF(__pyx_t_7); PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_t_7); __pyx_t_7 = NULL;
      __Pyx_GIVEREF(__pyx_t_6);
      PyTuple_SET_ITEM(__pyx_t_15, 0+1, __pyx_t_6);
      __pyx_t_6 = 0;
      __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_5, __pyx_t_15, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 211, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_1);
      __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
  __pyx_t_5 = NULL;
  if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_3))) {
    __pyx_t_5 = PyMethod_GET_SELF(__pyx_t_3);
    if (likely(__pyx_t_5)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_5);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_3, function);
    }
  }
  if (!__pyx_t_5) {
    __pyx_t_4 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 211, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __Pyx_GOTREF(__pyx_t_4);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_3)) {
      PyObject *__pyx_temp[2] = {__pyx_t_5, __pyx_t_1};
      __pyx_t_4 = __Pyx_PyFunction_FastCall(__pyx_t_3, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 211, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_3)) {
      PyObject *__pyx_temp[2] = {__pyx_t_5, __pyx_t_1};
      __pyx_t_4 = __Pyx_PyCFunction_FastCall(__pyx_t_3, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 211, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    } else
    #endif
    {
      __pyx_t_15 = PyTuple_New(1+1); if (unlikely(!__pyx_t_15)) __PYX_ERR(0, 211, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_15);
      __Pyx_GIVEREF(__pyx_t_5); PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_t_5); __pyx_t_5 = NULL;
      __Pyx_GIVEREF(__pyx_t_1);
      PyTuple_SET_ITEM(__pyx_t_15, 0+1, __pyx_t_1);
      __pyx_t_1 = 0;
      __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_15, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 211, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":214
 * 
 *         # Clear stale readers.
 *         self._clear_stale_readers()             # <<<<<<<<<<<<<<
 * 
 *         # Open DB environment.
 */
  ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self->__pyx_vtab)->_clear_stale_readers(__pyx_v_self); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 214, __pyx_L1_error)

  /* "lakesuperior/store/base_lmdb_store.pyx":217
 * 
 *         # Open DB environment.
 *         logger.debug('DBenv address: {:x}'.format(<unsigned long>self.dbenv))             # <<<<<<<<<<<<<<
 *         _check(
 *                 lmdb.mdb_env_open(
 */
  __pyx_t_3 = __Pyx_GetModuleGlobalName(__pyx_n_s_logger); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 217, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_t_15 = __Pyx_PyObject_GetAttrStr(__pyx_t_3, __pyx_n_s_debug); if (unlikely(!__pyx_t_15)) __PYX_ERR(0, 217, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_15);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_kp_u_DBenv_address_x, __pyx_n_s_format); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 217, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_5 = __Pyx_PyInt_From_unsigned_long(((unsigned long)__pyx_v_self->dbenv)); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 217, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_5);
  __pyx_t_6 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_1))) {
    __pyx_t_6 = PyMethod_GET_SELF(__pyx_t_1);
    if (likely(__pyx_t_6)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_1);
      __Pyx_INCREF(__pyx_t_6);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_1, function);
    }
  }
  if (!__pyx_t_6) {
    __pyx_t_3 = __Pyx_PyObject_CallOneArg(__pyx_t_1, __pyx_t_5); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 217, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    __Pyx_GOTREF(__pyx_t_3);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_1)) {
      PyObject *__pyx_temp[2] = {__pyx_t_6, __pyx_t_5};
      __pyx_t_3 = __Pyx_PyFunction_FastCall(__pyx_t_1, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 217, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_1)) {
      PyObject *__pyx_temp[2] = {__pyx_t_6, __pyx_t_5};
      __pyx_t_3 = __Pyx_PyCFunction_FastCall(__pyx_t_1, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 217, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    } else
    #endif
    {
      __pyx_t_7 = PyTuple_New(1+1); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 217, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_7);
      __Pyx_GIVEREF(__pyx_t_6); PyTuple_SET_ITEM(__pyx_t_7, 0, __pyx_t_6); __pyx_t_6 = NULL;
      __Pyx_GIVEREF(__pyx_t_5);
      PyTuple_SET_ITEM(__pyx_t_7, 0+1, __pyx_t_5);
      __pyx_t_5 = 0;
      __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_1, __pyx_t_7, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 217, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_1 = NULL;
  if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_15))) {
    __pyx_t_1 = PyMethod_GET_SELF(__pyx_t_15);
    if (likely(__pyx_t_1)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_15);
      __Pyx_INCREF(__pyx_t_1);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_15, function);
    }
  }
  if (!__pyx_t_1) {
    __pyx_t_4 = __Pyx_PyObject_CallOneArg(__pyx_t_15, __pyx_t_3); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 217, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __Pyx_GOTREF(__pyx_t_4);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_15)) {
      PyObject *__pyx_temp[2] = {__pyx_t_1, __pyx_t_3};
      __pyx_t_4 = __Pyx_PyFunction_FastCall(__pyx_t_15, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 217, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_1); __pyx_t_1 = 0;
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_15)) {
      PyObject *__pyx_temp[2] = {__pyx_t_1, __pyx_t_3};
      __pyx_t_4 = __Pyx_PyCFunction_FastCall(__pyx_t_15, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 217, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_1); __pyx_t_1 = 0;
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    } else
    #endif
    {
      __pyx_t_7 = PyTuple_New(1+1); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 217, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_7);
      __Pyx_GIVEREF(__pyx_t_1); PyTuple_SET_ITEM(__pyx_t_7, 0, __pyx_t_1); __pyx_t_1 = NULL;
      __Pyx_GIVEREF(__pyx_t_3);
      PyTuple_SET_ITEM(__pyx_t_7, 0+1, __pyx_t_3);
      __pyx_t_3 = 0;
      __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_15, __pyx_t_7, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 217, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":220
 *         _check(
 *                 lmdb.mdb_env_open(
 *                     self.dbenv, self.env_path.encode(),             # <<<<<<<<<<<<<<
 *                     self.env_flags, self.env_perms),
 *                 f'Error opening the database environment: {self.env_path}.')
 */
  if (unlikely(__pyx_v_self->env_path == Py_None)) {
    PyErr_Format(PyExc_AttributeError, "'NoneType' object has no attribute '%.30s'", "encode");
    __PYX_ERR(0, 220, __pyx_L1_error)
  }
  __pyx_t_4 = PyUnicode_AsEncodedString(__pyx_v_self->env_path, NULL, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 220, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __pyx_t_29 = __Pyx_PyBytes_AsString(__pyx_t_4); if (unlikely((!__pyx_t_29) && PyErr_Occurred())) __PYX_ERR(0, 220, __pyx_L1_error)

  /* "lakesuperior/store/base_lmdb_store.pyx":221
 *                 lmdb.mdb_env_open(
 *                     self.dbenv, self.env_path.encode(),
 *                     self.env_flags, self.env_perms),             # <<<<<<<<<<<<<<
 *                 f'Error opening the database environment: {self.env_path}.')
 * 
 */
  __pyx_t_15 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_env_flags); if (unlikely(!__pyx_t_15)) __PYX_ERR(0, 221, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_15);
  __pyx_t_28 = __Pyx_PyInt_As_unsigned_int(__pyx_t_15); if (unlikely((__pyx_t_28 == (unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 221, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
  __pyx_t_15 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_env_perms); if (unlikely(!__pyx_t_15)) __PYX_ERR(0, 221, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_15);
  __pyx_t_30 = __Pyx_PyInt_As_mode_t(__pyx_t_15); if (unlikely((__pyx_t_30 == ((mdb_mode_t)-1)) && PyErr_Occurred())) __PYX_ERR(0, 221, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":222
 *                     self.dbenv, self.env_path.encode(),
 *                     self.env_flags, self.env_perms),
 *                 f'Error opening the database environment: {self.env_path}.')             # <<<<<<<<<<<<<<
 * 
 *         self._init_dbis(create)
 */
  __pyx_t_15 = PyTuple_New(3); if (unlikely(!__pyx_t_15)) __PYX_ERR(0, 222, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_15);
  __pyx_t_26 = 0;
  __pyx_t_31 = 127;
  __Pyx_INCREF(__pyx_kp_u_Error_opening_the_database_envir);
  __pyx_t_26 += 40;
  __Pyx_GIVEREF(__pyx_kp_u_Error_opening_the_database_envir);
  PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_kp_u_Error_opening_the_database_envir);
  __pyx_t_7 = __Pyx_PyUnicode_Unicode(__pyx_v_self->env_path); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 222, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_7);
  __pyx_t_31 = (__Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_7) > __pyx_t_31) ? __Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_7) : __pyx_t_31;
  __pyx_t_26 += __Pyx_PyUnicode_GET_LENGTH(__pyx_t_7);
  __Pyx_GIVEREF(__pyx_t_7);
  PyTuple_SET_ITEM(__pyx_t_15, 1, __pyx_t_7);
  __pyx_t_7 = 0;
  __Pyx_INCREF(__pyx_kp_u__4);
  __pyx_t_26 += 1;
  __Pyx_GIVEREF(__pyx_kp_u__4);
  PyTuple_SET_ITEM(__pyx_t_15, 2, __pyx_kp_u__4);
  __pyx_t_7 = __Pyx_PyUnicode_Join(__pyx_t_15, 3, __pyx_t_26, __pyx_t_31); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 222, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_7);
  __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":218
 *         # Open DB environment.
 *         logger.debug('DBenv address: {:x}'.format(<unsigned long>self.dbenv))
 *         _check(             # <<<<<<<<<<<<<<
 *                 lmdb.mdb_env_open(
 *                     self.dbenv, self.env_path.encode(),
 */
  __pyx_t_24.__pyx_n = 1;
  __pyx_t_24.message = ((PyObject*)__pyx_t_7);
  __pyx_f_12lakesuperior_5store_15base_lmdb_store__check(mdb_env_open(__pyx_v_self->dbenv, __pyx_t_29, __pyx_t_28, __pyx_t_30), &__pyx_t_24); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 218, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":224
 *                 f'Error opening the database environment: {self.env_path}.')
 * 
 *         self._init_dbis(create)             # <<<<<<<<<<<<<<
 *         self._open = True
 * 
 */
  __pyx_t_32.__pyx_n = 1;
  __pyx_t_32.create = __pyx_v_create;
  ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self->__pyx_vtab)->_init_dbis(__pyx_v_self, &__pyx_t_32); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 224, __pyx_L1_error)

  /* "lakesuperior/store/base_lmdb_store.pyx":225
 * 
 *         self._init_dbis(create)
 *         self._open = True             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_v_self->_open = 1;

  /* "lakesuperior/store/base_lmdb_store.pyx":161
 * 
 * 
 *     def open_env(self, create):             # <<<<<<<<<<<<<<
 *         """
 *         Open, and optionally create, store environment.
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_XDECREF(__pyx_t_13);
  __Pyx_XDECREF(__pyx_t_14);
  __Pyx_XDECREF(__pyx_t_15);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.open_env", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_v_parent_path);
  __Pyx_XDECREF(__pyx_v_e);
  __Pyx_XDECREF(__pyx_v_max_dbs);
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pyx":228
 * 
 * 
 *     cdef void _clear_stale_readers(self) except *:             # <<<<<<<<<<<<<<
 *         """
 *         Clear stale readers.
 */

static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__clear_stale_readers(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self) {
  int __pyx_v_stale_readers;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  PyObject *__pyx_t_8 = NULL;
  __Pyx_RefNannySetupContext("_clear_stale_readers", 0);
  __Pyx_TraceCall("_clear_stale_readers", __pyx_f[0], 228, 0, __PYX_ERR(0, 228, __pyx_L1_error));

  /* "lakesuperior/store/base_lmdb_store.pyx":234
 *         cdef int stale_readers
 * 
 *         _check(lmdb.mdb_reader_check(self.dbenv, &stale_readers))             # <<<<<<<<<<<<<<
 *         if stale_readers > 0:
 *             logger.debug('Cleared {} stale readers.'.format(stale_readers))
 */
  __pyx_f_12lakesuperior_5store_15base_lmdb_store__check(mdb_reader_check(__pyx_v_self->dbenv, (&__pyx_v_stale_readers)), NULL); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 234, __pyx_L1_error)

  /* "lakesuperior/store/base_lmdb_store.pyx":235
 * 
 *         _check(lmdb.mdb_reader_check(self.dbenv, &stale_readers))
 *         if stale_readers > 0:             # <<<<<<<<<<<<<<
 *             logger.debug('Cleared {} stale readers.'.format(stale_readers))
 * 
 */
  __pyx_t_1 = ((__pyx_v_stale_readers > 0) != 0);
  if (__pyx_t_1) {

    /* "lakesuperior/store/base_lmdb_store.pyx":236
 *         _check(lmdb.mdb_reader_check(self.dbenv, &stale_readers))
 *         if stale_readers > 0:
 *             logger.debug('Cleared {} stale readers.'.format(stale_readers))             # <<<<<<<<<<<<<<
 * 
 * 
 */
    __pyx_t_3 = __Pyx_GetModuleGlobalName(__pyx_n_s_logger); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 236, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_t_3, __pyx_n_s_debug); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 236, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_kp_u_Cleared_stale_readers, __pyx_n_s_format); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 236, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);
    __pyx_t_6 = __Pyx_PyInt_From_int(__pyx_v_stale_readers); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 236, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_6);
    __pyx_t_7 = NULL;
    if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_5))) {
      __pyx_t_7 = PyMethod_GET_SELF(__pyx_t_5);
      if (likely(__pyx_t_7)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
        __Pyx_INCREF(__pyx_t_7);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_5, function);
      }
    }
    if (!__pyx_t_7) {
      __pyx_t_3 = __Pyx_PyObject_CallOneArg(__pyx_t_5, __pyx_t_6); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 236, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
      __Pyx_GOTREF(__pyx_t_3);
    } else {
      #if CYTHON_FAST_PYCALL
      if (PyFunction_Check(__pyx_t_5)) {
        PyObject *__pyx_temp[2] = {__pyx_t_7, __pyx_t_6};
        __pyx_t_3 = __Pyx_PyFunction_FastCall(__pyx_t_5, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 236, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
        __Pyx_GOTREF(__pyx_t_3);
        __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
      } else
      #endif
      #if CYTHON_FAST_PYCCALL
      if (__Pyx_PyFastCFunction_Check(__pyx_t_5)) {
        PyObject *__pyx_temp[2] = {__pyx_t_7, __pyx_t_6};
        __pyx_t_3 = __Pyx_PyCFunction_FastCall(__pyx_t_5, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 236, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
        __Pyx_GOTREF(__pyx_t_3);
        __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
      } else
      #endif
      {
        __pyx_t_8 = PyTuple_New(1+1); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 236, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_8);
        __Pyx_GIVEREF(__pyx_t_7); PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_t_7); __pyx_t_7 = NULL;
        __Pyx_GIVEREF(__pyx_t_6);
        PyTuple_SET_ITEM(__pyx_t_8, 0+1, __pyx_t_6);
        __pyx_t_6 = 0;
        __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_5, __pyx_t_8, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 236, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_3);
        __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
      }
    }
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    __pyx_t_5 = NULL;
    if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_4))) {
      __pyx_t_5 = PyMethod_GET_SELF(__pyx_t_4);
      if (likely(__pyx_t_5)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_4);
        __Pyx_INCREF(__pyx_t_5);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_4, function);
      }
    }
    if (!__pyx_t_5) {
      __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_4, __pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 236, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __Pyx_GOTREF(__pyx_t_2);
    } else {
      #if CYTHON_FAST_PYCALL
      if (PyFunction_Check(__pyx_t_4)) {
        PyObject *__pyx_temp[2] = {__pyx_t_5, __pyx_t_3};
        __pyx_t_2 = __Pyx_PyFunction_FastCall(__pyx_t_4, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 236, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
        __Pyx_GOTREF(__pyx_t_2);
        __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      } else
      #endif
      #if CYTHON_FAST_PYCCALL
      if (__Pyx_PyFastCFunction_Check(__pyx_t_4)) {
        PyObject *__pyx_temp[2] = {__pyx_t_5, __pyx_t_3};
        __pyx_t_2 = __Pyx_PyCFunction_FastCall(__pyx_t_4, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 236, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
        __Pyx_GOTREF(__pyx_t_2);
        __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      } else
      #endif
      {
        __pyx_t_8 = PyTuple_New(1+1); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 236, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_8);
        __Pyx_GIVEREF(__pyx_t_5); PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_t_5); __pyx_t_5 = NULL;
        __Pyx_GIVEREF(__pyx_t_3);
        PyTuple_SET_ITEM(__pyx_t_8, 0+1, __pyx_t_3);
        __pyx_t_3 = 0;
        __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_t_8, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 236, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_2);
        __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
      }
    }
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

    /* "lakesuperior/store/base_lmdb_store.pyx":235
 * 
 *         _check(lmdb.mdb_reader_check(self.dbenv, &stale_readers))
 *         if stale_readers > 0:             # <<<<<<<<<<<<<<
 *             logger.debug('Cleared {} stale readers.'.format(stale_readers))
 * 
 */
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":228
 * 
 * 
 *     cdef void _clear_stale_readers(self) except *:             # <<<<<<<<<<<<<<
 *         """
 *         Clear stale readers.
 */

  /* function exit code */
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_XDECREF(__pyx_t_8);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore._clear_stale_readers", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_L0:;
  __Pyx_TraceReturn(Py_None, 0);
  __Pyx_RefNannyFinishContext();
}

/* "lakesuperior/store/base_lmdb_store.pyx":239
 * 
 * 
 *     cdef void _init_dbis(self, create=True) except *:             # <<<<<<<<<<<<<<
 *         """
 *         Initialize databases and cursors.
 */

static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__init_dbis(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__init_dbis *__pyx_optional_args) {
  PyObject *__pyx_v_create = ((PyObject *)Py_True);
  size_t __pyx_v_i;
  MDB_txn *__pyx_v_txn;
  MDB_dbi __pyx_v_dbi;
  long __pyx_v_create_flag;
  long __pyx_v_txn_flags;
  CYTHON_UNUSED int __pyx_v_rc;
  PyObject *__pyx_v_dblabel = NULL;
  PyObject *__pyx_v_flags = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  long __pyx_t_1;
  PyObject *__pyx_t_2 = NULL;
  Py_ssize_t __pyx_t_3;
  Py_ssize_t __pyx_t_4;
  int __pyx_t_5;
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  PyObject *__pyx_t_8 = NULL;
  PyObject *__pyx_t_9 = NULL;
  size_t __pyx_t_10;
  PyObject *(*__pyx_t_11)(PyObject *);
  PyObject *__pyx_t_12 = NULL;
  PyObject *__pyx_t_13 = NULL;
  int __pyx_t_14;
  PyObject *__pyx_t_15 = NULL;
  char const *__pyx_t_16;
  unsigned int __pyx_t_17;
  Py_UCS4 __pyx_t_18;
  PyObject *__pyx_t_19 = NULL;
  __Pyx_RefNannySetupContext("_init_dbis", 0);
  __Pyx_TraceCall("_init_dbis", __pyx_f[0], 239, 0, __PYX_ERR(0, 239, __pyx_L1_error));
  if (__pyx_optional_args) {
    if (__pyx_optional_args->__pyx_n > 0) {
      __pyx_v_create = __pyx_optional_args->create;
    }
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":249
 * 
 *         # At least one slot (for environments without a database)
 *         self.dbis = <lmdb.MDB_dbi *>PyMem_Malloc(             # <<<<<<<<<<<<<<
 *                 max(len(self.dbi_labels), 1) * sizeof(lmdb.MDB_dbi))
 *         if not self.dbis:
 */
  __pyx_t_1 = 1;

  /* "lakesuperior/store/base_lmdb_store.pyx":250
 *         # At least one slot (for environments without a database)
 *         self.dbis = <lmdb.MDB_dbi *>PyMem_Malloc(
 *                 max(len(self.dbi_labels), 1) * sizeof(lmdb.MDB_dbi))             # <<<<<<<<<<<<<<
 *         if not self.dbis:
 *             raise MemoryError()
 */
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_dbi_labels); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 250, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = PyObject_Length(__pyx_t_2); if (unlikely(__pyx_t_3 == ((Py_ssize_t)-1))) __PYX_ERR(0, 250, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  if (((__pyx_t_1 > __pyx_t_3) != 0)) {
    __pyx_t_4 = __pyx_t_1;
  } else {
    __pyx_t_4 = __pyx_t_3;
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":249
 * 
 *         # At least one slot (for environments without a database)
 *         self.dbis = <lmdb.MDB_dbi *>PyMem_Malloc(             # <<<<<<<<<<<<<<
 *                 max(len(self.dbi_labels), 1) * sizeof(lmdb.MDB_dbi))
 *         if not self.dbis:
 */
  __pyx_v_self->dbis = ((MDB_dbi *)PyMem_Malloc((__pyx_t_4 * (sizeof(MDB_dbi)))));

  /* "lakesuperior/store/base_lmdb_store.pyx":251
 *         self.dbis = <lmdb.MDB_dbi *>PyMem_Malloc(
 *                 max(len(self.dbi_labels), 1) * sizeof(lmdb.MDB_dbi))
 *         if not self.dbis:             # <<<<<<<<<<<<<<
 *             raise MemoryError()
 * 
 */
  __pyx_t_5 = ((!(__pyx_v_self->dbis != 0)) != 0);
  if (unlikely(__pyx_t_5)) {

    /* "lakesuperior/store/base_lmdb_store.pyx":252
 *                 max(len(self.dbi_labels), 1) * sizeof(lmdb.MDB_dbi))
 *         if not self.dbis:
 *             raise MemoryError()             # <<<<<<<<<<<<<<
 * 
 *         # DBIs seem to start from 2. We want to map cursor pointers in the
 */
    PyErr_NoMemory(); __PYX_ERR(0, 252, __pyx_L1_error)

    /* "lakesuperior/store/base_lmdb_store.pyx":251
 *         self.dbis = <lmdb.MDB_dbi *>PyMem_Malloc(
 *                 max(len(self.dbi_labels), 1) * sizeof(lmdb.MDB_dbi))
 *         if not self.dbis:             # <<<<<<<<<<<<<<
 *             raise MemoryError()
 * 
 */
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":257
 *         # array to DBIs, so we need an extra slot.
 *         self.curs = <lmdb.MDB_cursor **>PyMem_Malloc(
 *                 (len(self.dbi_labels) + 2) * sizeof(lmdb.MDB_cursor*))             # <<<<<<<<<<<<<<
 *         if not self.curs:
 *             raise MemoryError()
 */
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_dbi_labels); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 257, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_4 = PyObject_Length(__pyx_t_2); if (unlikely(__pyx_t_4 == ((Py_ssize_t)-1))) __PYX_ERR(0, 257, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":256
 *         # DBIs seem to start from 2. We want to map cursor pointers in the
 *         # array to DBIs, so we need an extra slot.
 *         self.curs = <lmdb.MDB_cursor **>PyMem_Malloc(             # <<<<<<<<<<<<<<
 *                 (len(self.dbi_labels) + 2) * sizeof(lmdb.MDB_cursor*))
 *         if not self.curs:
 */
  __pyx_v_self->curs = ((MDB_cursor **)PyMem_Malloc(((__pyx_t_4 + 2) * (sizeof(MDB_cursor *)))));

  /* "lakesuperior/store/base_lmdb_store.pyx":258
 *         self.curs = <lmdb.MDB_cursor **>PyMem_Malloc(
 *                 (len(self.dbi_labels) + 2) * sizeof(lmdb.MDB_cursor*))
 *         if not self.curs:             # <<<<<<<<<<<<<<
 *             raise MemoryError()
 * 
 */
  __pyx_t_5 = ((!(__pyx_v_self->curs != 0)) != 0);
  if (unlikely(__pyx_t_5)) {

    /* "lakesuperior/store/base_lmdb_store.pyx":259
 *                 (len(self.dbi_labels) + 2) * sizeof(lmdb.MDB_cursor*))
 *         if not self.curs:
 *             raise MemoryError()             # <<<<<<<<<<<<<<
 * 
 *         create_flag = lmdb.MDB_CREATE if create is True else 0
 */
    PyErr_NoMemory(); __PYX_ERR(0, 259, __pyx_L1_error)

    /* "lakesuperior/store/base_lmdb_store.pyx":258
 *         self.curs = <lmdb.MDB_cursor **>PyMem_Malloc(
 *                 (len(self.dbi_labels) + 2) * sizeof(lmdb.MDB_cursor*))
 *         if not self.curs:             # <<<<<<<<<<<<<<
 *             raise MemoryError()
 * 
 */
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":261
 *             raise MemoryError()
 * 
 *         create_flag = lmdb.MDB_CREATE if create is True else 0             # <<<<<<<<<<<<<<
 *         txn_flags = 0 if create else lmdb.MDB_RDONLY
 *         rc = lmdb.mdb_txn_begin(self.dbenv, NULL, txn_flags, &txn)
 */
  __pyx_t_5 = (__pyx_v_create == Py_True);
  if ((__pyx_t_5 != 0)) {
    __pyx_t_1 = MDB_CREATE;
  } else {
    __pyx_t_1 = 0;
  }
  __pyx_v_create_flag = __pyx_t_1;

  /* "lakesuperior/store/base_lmdb_store.pyx":262
 * 
 *         create_flag = lmdb.MDB_CREATE if create is True else 0
 *         txn_flags = 0 if create else lmdb.MDB_RDONLY             # <<<<<<<<<<<<<<
 *         rc = lmdb.mdb_txn_begin(self.dbenv, NULL, txn_flags, &txn)
 *         logger.info(f'Creating DBs.')
 */
  __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_v_create); if (unlikely(__pyx_t_5 < 0)) __PYX_ERR(0, 262, __pyx_L1_error)
  if (__pyx_t_5) {
    __pyx_t_1 = 0;
  } else {
    __pyx_t_1 = MDB_RDONLY;
  }
  __pyx_v_txn_flags = __pyx_t_1;

  /* "lakesuperior/store/base_lmdb_store.pyx":263
 *         create_flag = lmdb.MDB_CREATE if create is True else 0
 *         txn_flags = 0 if create else lmdb.MDB_RDONLY
 *         rc = lmdb.mdb_txn_begin(self.dbenv, NULL, txn_flags, &txn)             # <<<<<<<<<<<<<<
 *         logger.info(f'Creating DBs.')
 *         try:
 */
  __pyx_v_rc = mdb_txn_begin(__pyx_v_self->dbenv, NULL, __pyx_v_txn_flags, (&__pyx_v_txn));

  /* "lakesuperior/store/base_lmdb_store.pyx":264
 *         txn_flags = 0 if create else lmdb.MDB_RDONLY
 *         rc = lmdb.mdb_txn_begin(self.dbenv, NULL, txn_flags, &txn)
 *         logger.info(f'Creating DBs.')             # <<<<<<<<<<<<<<
 *         try:
 *             if len(self.dbi_labels):
 */
  __pyx_t_2 = __Pyx_GetModuleGlobalName(__pyx_n_s_logger); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 264, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_6 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_info); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 264, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_6);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_6, __pyx_tuple__5, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 264, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":265
 *         rc = lmdb.mdb_txn_begin(self.dbenv, NULL, txn_flags, &txn)
 *         logger.info(f'Creating DBs.')
 *         try:             # <<<<<<<<<<<<<<
 *             if len(self.dbi_labels):
 *                 for i, dblabel in enumerate(self.dbi_labels):
 */
  {
    __Pyx_PyThreadState_declare
    __Pyx_PyThreadState_assign
    __Pyx_ExceptionSave(&__pyx_t_7, &__pyx_t_8, &__pyx_t_9);
    __Pyx_XGOTREF(__pyx_t_7);
    __Pyx_XGOTREF(__pyx_t_8);
    __Pyx_XGOTREF(__pyx_t_9);
    /*try:*/ {

      /* "lakesuperior/store/base_lmdb_store.pyx":266
 *         logger.info(f'Creating DBs.')
 *         try:
 *             if len(self.dbi_labels):             # <<<<<<<<<<<<<<
 *                 for i, dblabel in enumerate(self.dbi_labels):
 *                     flags = self.dbi_flags.get(dblabel, 0) | create_flag
 */
      __pyx_t_2 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_dbi_labels); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 266, __pyx_L5_error)
      __Pyx_GOTREF(__pyx_t_2);
      __pyx_t_4 = PyObject_Length(__pyx_t_2); if (unlikely(__pyx_t_4 == ((Py_ssize_t)-1))) __PYX_ERR(0, 266, __pyx_L5_error)
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
      __pyx_t_5 = (__pyx_t_4 != 0);
      if (__pyx_t_5) {

        /* "lakesuperior/store/base_lmdb_store.pyx":267
 *         try:
 *             if len(self.dbi_labels):
 *                 for i, dblabel in enumerate(self.dbi_labels):             # <<<<<<<<<<<<<<
 *                     flags = self.dbi_flags.get(dblabel, 0) | create_flag
 *                     _check(lmdb.mdb_dbi_open(
 */
        __pyx_t_10 = 0;
        __pyx_t_2 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_dbi_labels); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 267, __pyx_L5_error)
        __Pyx_GOTREF(__pyx_t_2);
        if (likely(PyList_CheckExact(__pyx_t_2)) || PyTuple_CheckExact(__pyx_t_2)) {
          __pyx_t_6 = __pyx_t_2; __Pyx_INCREF(__pyx_t_6); __pyx_t_4 = 0;
          __pyx_t_11 = NULL;
        } else {
          __pyx_t_4 = -1; __pyx_t_6 = PyObject_GetIter(__pyx_t_2); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 267, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_6);
          __pyx_t_11 = Py_TYPE(__pyx_t_6)->tp_iternext; if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 267, __pyx_L5_error)
        }
        __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
        for (;;) {
          if (likely(!__pyx_t_11)) {
            if (likely(PyList_CheckExact(__pyx_t_6))) {
              if (__pyx_t_4 >= PyList_GET_SIZE(__pyx_t_6)) break;
              #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
              __pyx_t_2 = PyList_GET_ITEM(__pyx_t_6, __pyx_t_4); __Pyx_INCREF(__pyx_t_2); __pyx_t_4++; if (unlikely(0 < 0)) __PYX_ERR(0, 267, __pyx_L5_error)
              #else
              __pyx_t_2 = PySequence_ITEM(__pyx_t_6, __pyx_t_4); __pyx_t_4++; if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 267, __pyx_L5_error)
              __Pyx_GOTREF(__pyx_t_2);
              #endif
            } else {
              if (__pyx_t_4 >= PyTuple_GET_SIZE(__pyx_t_6)) break;
              #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
              __pyx_t_2 = PyTuple_GET_ITEM(__pyx_t_6, __pyx_t_4); __Pyx_INCREF(__pyx_t_2); __pyx_t_4++; if (unlikely(0 < 0)) __PYX_ERR(0, 267, __pyx_L5_error)
              #else
              __pyx_t_2 = PySequence_ITEM(__pyx_t_6, __pyx_t_4); __pyx_t_4++; if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 267, __pyx_L5_error)
              __Pyx_GOTREF(__pyx_t_2);
              #endif
            }
          } else {
            __pyx_t_2 = __pyx_t_11(__pyx_t_6);
            if (unlikely(!__pyx_t_2)) {
              PyObject* exc_type = PyErr_Occurred();
              if (exc_type) {
                if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
                else __PYX_ERR(0, 267, __pyx_L5_error)
              }
              break;
            }
            __Pyx_GOTREF(__pyx_t_2);
          }
          __Pyx_XDECREF_SET(__pyx_v_dblabel, __pyx_t_2);
          __pyx_t_2 = 0;
          __pyx_v_i = __pyx_t_10;
          __pyx_t_10 = (__pyx_t_10 + 1);

          /* "lakesuperior/store/base_lmdb_store.pyx":268
 *             if len(self.dbi_labels):
 *                 for i, dblabel in enumerate(self.dbi_labels):
 *                     flags = self.dbi_flags.get(dblabel, 0) | create_flag             # <<<<<<<<<<<<<<
 *                     _check(lmdb.mdb_dbi_open(
 *                             txn, dblabel.encode(), flags, self.dbis + i))
 */
          __pyx_t_12 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_dbi_flags); if (unlikely(!__pyx_t_12)) __PYX_ERR(0, 268, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_12);
          __pyx_t_13 = __Pyx_PyObject_GetAttrStr(__pyx_t_12, __pyx_n_s_get); if (unlikely(!__pyx_t_13)) __PYX_ERR(0, 268, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_13);
          __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
          __pyx_t_12 = NULL;
          __pyx_t_14 = 0;
          if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_13))) {
            __pyx_t_12 = PyMethod_GET_SELF(__pyx_t_13);
            if (likely(__pyx_t_12)) {
              PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_13);
              __Pyx_INCREF(__pyx_t_12);
              __Pyx_INCREF(function);
              __Pyx_DECREF_SET(__pyx_t_13, function);
              __pyx_t_14 = 1;
            }
          }
          #if CYTHON_FAST_PYCALL
          if (PyFunction_Check(__pyx_t_13)) {
            PyObject *__pyx_temp[3] = {__pyx_t_12, __pyx_v_dblabel, __pyx_int_0};
            __pyx_t_2 = __Pyx_PyFunction_FastCall(__pyx_t_13, __pyx_temp+1-__pyx_t_14, 2+__pyx_t_14); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 268, __pyx_L5_error)
            __Pyx_XDECREF(__pyx_t_12); __pyx_t_12 = 0;
            __Pyx_GOTREF(__pyx_t_2);
          } else
          #endif
          #if CYTHON_FAST_PYCCALL
          if (__Pyx_PyFastCFunction_Check(__pyx_t_13)) {
            PyObject *__pyx_temp[3] = {__pyx_t_12, __pyx_v_dblabel, __pyx_int_0};
            __pyx_t_2 = __Pyx_PyCFunction_FastCall(__pyx_t_13, __pyx_temp+1-__pyx_t_14, 2+__pyx_t_14); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 268, __pyx_L5_error)
            __Pyx_XDECREF(__pyx_t_12); __pyx_t_12 = 0;
            __Pyx_GOTREF(__pyx_t_2);
          } else
          #endif
          {
            __pyx_t_15 = PyTuple_New(2+__pyx_t_14); if (unlikely(!__pyx_t_15)) __PYX_ERR(0, 268, __pyx_L5_error)
            __Pyx_GOTREF(__pyx_t_15);
            if (__pyx_t_12) {
              __Pyx_GIVEREF(__pyx_t_12); PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_t_12); __pyx_t_12 = NULL;
            }
            __Pyx_INCREF(__pyx_v_dblabel);
            __Pyx_GIVEREF(__pyx_v_dblabel);
            PyTuple_SET_ITEM(__pyx_t_15, 0+__pyx_t_14, __pyx_v_dblabel);
            __Pyx_INCREF(__pyx_int_0);
            __Pyx_GIVEREF(__pyx_int_0);
            PyTuple_SET_ITEM(__pyx_t_15, 1+__pyx_t_14, __pyx_int_0);
            __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_13, __pyx_t_15, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 268, __pyx_L5_error)
            __Pyx_GOTREF(__pyx_t_2);
            __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
          }
          __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
          __pyx_t_13 = __Pyx_PyInt_From_long(__pyx_v_create_flag); if (unlikely(!__pyx_t_13)) __PYX_ERR(0, 268, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_13);
          __pyx_t_15 = PyNumber_Or(__pyx_t_2, __pyx_t_13); if (unlikely(!__pyx_t_15)) __PYX_ERR(0, 268, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_15);
          __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
          __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
          __Pyx_XDECREF_SET(__pyx_v_flags, __pyx_t_15);
          __pyx_t_15 = 0;

          /* "lakesuperior/store/base_lmdb_store.pyx":270
 *                     flags = self.dbi_flags.get(dblabel, 0) | create_flag
 *                     _check(lmdb.mdb_dbi_open(
 *                             txn, dblabel.encode(), flags, self.dbis + i))             # <<<<<<<<<<<<<<
 *                     dbi = self.dbis[i]
 *                     logger.info(f'Created DB {dblabel}: {dbi}')
 */
          __pyx_t_13 = __Pyx_PyObject_GetAttrStr(__pyx_v_dblabel, __pyx_n_s_encode); if (unlikely(!__pyx_t_13)) __PYX_ERR(0, 270, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_13);
          __pyx_t_2 = NULL;
          if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_13))) {
            __pyx_t_2 = PyMethod_GET_SELF(__pyx_t_13);
            if (likely(__pyx_t_2)) {
              PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_13);
              __Pyx_INCREF(__pyx_t_2);
              __Pyx_INCREF(function);
              __Pyx_DECREF_SET(__pyx_t_13, function);
            }
          }
          if (__pyx_t_2) {
            __pyx_t_15 = __Pyx_PyObject_CallOneArg(__pyx_t_13, __pyx_t_2); if (unlikely(!__pyx_t_15)) __PYX_ERR(0, 270, __pyx_L5_error)
            __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
          } else {
            __pyx_t_15 = __Pyx_PyObject_CallNoArg(__pyx_t_13); if (unlikely(!__pyx_t_15)) __PYX_ERR(0, 270, __pyx_L5_error)
          }
          __Pyx_GOTREF(__pyx_t_15);
          __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
          __pyx_t_16 = __Pyx_PyObject_AsString(__pyx_t_15); if (unlikely((!__pyx_t_16) && PyErr_Occurred())) __PYX_ERR(0, 270, __pyx_L5_error)
          __pyx_t_17 = __Pyx_PyInt_As_unsigned_int(__pyx_v_flags); if (unlikely((__pyx_t_17 == (unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 270, __pyx_L5_error)

          /* "lakesuperior/store/base_lmdb_store.pyx":269
 *                 for i, dblabel in enumerate(self.dbi_labels):
 *                     flags = self.dbi_flags.get(dblabel, 0) | create_flag
 *                     _check(lmdb.mdb_dbi_open(             # <<<<<<<<<<<<<<
 *                             txn, dblabel.encode(), flags, self.dbis + i))
 *                     dbi = self.dbis[i]
 */
          __pyx_f_12lakesuperior_5store_15base_lmdb_store__check(mdb_dbi_open(__pyx_v_txn, __pyx_t_16, __pyx_t_17, (__pyx_v_self->dbis + __pyx_v_i)), NULL); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 269, __pyx_L5_error)
          __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;

          /* "lakesuperior/store/base_lmdb_store.pyx":271
 *                     _check(lmdb.mdb_dbi_open(
 *                             txn, dblabel.encode(), flags, self.dbis + i))
 *                     dbi = self.dbis[i]             # <<<<<<<<<<<<<<
 *                     logger.info(f'Created DB {dblabel}: {dbi}')
 *                     # Open and close cursor to initialize the memory slot.
 */
          __pyx_v_dbi = (__pyx_v_self->dbis[__pyx_v_i]);

          /* "lakesuperior/store/base_lmdb_store.pyx":272
 *                             txn, dblabel.encode(), flags, self.dbis + i))
 *                     dbi = self.dbis[i]
 *                     logger.info(f'Created DB {dblabel}: {dbi}')             # <<<<<<<<<<<<<<
 *                     # Open and close cursor to initialize the memory slot.
 *                     _check(lmdb.mdb_cursor_open(
 */
          __pyx_t_13 = __Pyx_GetModuleGlobalName(__pyx_n_s_logger); if (unlikely(!__pyx_t_13)) __PYX_ERR(0, 272, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_13);
          __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_t_13, __pyx_n_s_info); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 272, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_2);
          __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
          __pyx_t_13 = PyTuple_New(4); if (unlikely(!__pyx_t_13)) __PYX_ERR(0, 272, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_13);
          __pyx_t_3 = 0;
          __pyx_t_18 = 127;
          __Pyx_INCREF(__pyx_kp_u_Created_DB);
          __pyx_t_3 += 11;
          __Pyx_GIVEREF(__pyx_kp_u_Created_DB);
          PyTuple_SET_ITEM(__pyx_t_13, 0, __pyx_kp_u_Created_DB);
          __pyx_t_12 = __Pyx_PyObject_FormatSimple(__pyx_v_dblabel, __pyx_empty_unicode); if (unlikely(!__pyx_t_12)) __PYX_ERR(0, 272, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_12);
          __pyx_t_18 = (__Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_12) > __pyx_t_18) ? __Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_12) : __pyx_t_18;
          __pyx_t_3 += __Pyx_PyUnicode_GET_LENGTH(__pyx_t_12);
          __Pyx_GIVEREF(__pyx_t_12);
          PyTuple_SET_ITEM(__pyx_t_13, 1, __pyx_t_12);
          __pyx_t_12 = 0;
          __Pyx_INCREF(__pyx_kp_u__6);
          __pyx_t_3 += 2;
          __Pyx_GIVEREF(__pyx_kp_u__6);
          PyTuple_SET_ITEM(__pyx_t_13, 2, __pyx_kp_u__6);
          __pyx_t_12 = __Pyx_PyInt_From_MDB_dbi(__pyx_v_dbi); if (unlikely(!__pyx_t_12)) __PYX_ERR(0, 272, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_12);
          __pyx_t_19 = __Pyx_PyObject_FormatSimple(__pyx_t_12, __pyx_empty_unicode); if (unlikely(!__pyx_t_19)) __PYX_ERR(0, 272, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_19);
          __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
          __pyx_t_18 = (__Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_19) > __pyx_t_18) ? __Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_19) : __pyx_t_18;
          __pyx_t_3 += __Pyx_PyUnicode_GET_LENGTH(__pyx_t_19);
          __Pyx_GIVEREF(__pyx_t_19);
          PyTuple_SET_ITEM(__pyx_t_13, 3, __pyx_t_19);
          __pyx_t_19 = 0;
          __pyx_t_19 = __Pyx_PyUnicode_Join(__pyx_t_13, 4, __pyx_t_3, __pyx_t_18); if (unlikely(!__pyx_t_19)) __PYX_ERR(0, 272, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_19);
          __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
          __pyx_t_13 = NULL;
          if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_2))) {
            __pyx_t_13 = PyMethod_GET_SELF(__pyx_t_2);
            if (likely(__pyx_t_13)) {
              PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_2);
              __Pyx_INCREF(__pyx_t_13);
              __Pyx_INCREF(function);
              __Pyx_DECREF_SET(__pyx_t_2, function);
            }
          }
          if (!__pyx_t_13) {
            __pyx_t_15 = __Pyx_PyObject_CallOneArg(__pyx_t_2, __pyx_t_19); if (unlikely(!__pyx_t_15)) __PYX_ERR(0, 272, __pyx_L5_error)
            __Pyx_DECREF(__pyx_t_19); __pyx_t_19 = 0;
            __Pyx_GOTREF(__pyx_t_15);
          } else {
            #if CYTHON_FAST_PYCALL
            if (PyFunction_Check(__pyx_t_2)) {
              PyObject *__pyx_temp[2] = {__pyx_t_13, __pyx_t_19};
              __pyx_t_15 = __Pyx_PyFunction_FastCall(__pyx_t_2, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_15)) __PYX_ERR(0, 272, __pyx_L5_error)
              __Pyx_XDECREF(__pyx_t_13); __pyx_t_13 = 0;
              __Pyx_GOTREF(__pyx_t_15);
              __Pyx_DECREF(__pyx_t_19); __pyx_t_19 = 0;
            } else
            #endif
            #if CYTHON_FAST_PYCCALL
            if (__Pyx_PyFastCFunction_Check(__pyx_t_2)) {
              PyObject *__pyx_temp[2] = {__pyx_t_13, __pyx_t_19};
              __pyx_t_15 = __Pyx_PyCFunction_FastCall(__pyx_t_2, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_15)) __PYX_ERR(0, 272, __pyx_L5_error)
              __Pyx_XDECREF(__pyx_t_13); __pyx_t_13 = 0;
              __Pyx_GOTREF(__pyx_t_15);
              __Pyx_DECREF(__pyx_t_19); __pyx_t_19 = 0;
            } else
            #endif
            {
              __pyx_t_12 = PyTuple_New(1+1); if (unlikely(!__pyx_t_12)) __PYX_ERR(0, 272, __pyx_L5_error)
              __Pyx_GOTREF(__pyx_t_12);
              __Pyx_GIVEREF(__pyx_t_13); PyTuple_SET_ITEM(__pyx_t_12, 0, __pyx_t_13); __pyx_t_13 = NULL;
              __Pyx_GIVEREF(__pyx_t_19);
              PyTuple_SET_ITEM(__pyx_t_12, 0+1, __pyx_t_19);
              __pyx_t_19 = 0;
              __pyx_t_15 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_t_12, NULL); if (unlikely(!__pyx_t_15)) __PYX_ERR(0, 272, __pyx_L5_error)
              __Pyx_GOTREF(__pyx_t_15);
              __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
            }
          }
          __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
          __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;

          /* "lakesuperior/store/base_lmdb_store.pyx":274
 *                     logger.info(f'Created DB {dblabel}: {dbi}')
 *                     # Open and close cursor to initialize the memory slot.
 *                     _check(lmdb.mdb_cursor_open(             # <<<<<<<<<<<<<<
 *                         txn, dbi, self.curs + dbi))
 *                     #lmdb.mdb_cursor_close(self.curs[dbi])
 */
          __pyx_f_12lakesuperior_5store_15base_lmdb_store__check(mdb_cursor_open(__pyx_v_txn, __pyx_v_dbi, (__pyx_v_self->curs + __pyx_v_dbi)), NULL); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 274, __pyx_L5_error)

          /* "lakesuperior/store/base_lmdb_store.pyx":267
 *         try:
 *             if len(self.dbi_labels):
 *                 for i, dblabel in enumerate(self.dbi_labels):             # <<<<<<<<<<<<<<
 *                     flags = self.dbi_flags.get(dblabel, 0) | create_flag
 *                     _check(lmdb.mdb_dbi_open(
 */
        }
        __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;

        /* "lakesuperior/store/base_lmdb_store.pyx":266
 *         logger.info(f'Creating DBs.')
 *         try:
 *             if len(self.dbi_labels):             # <<<<<<<<<<<<<<
 *                 for i, dblabel in enumerate(self.dbi_labels):
 *                     flags = self.dbi_flags.get(dblabel, 0) | create_flag
 */
        goto __pyx_L11;
      }

      /* "lakesuperior/store/base_lmdb_store.pyx":278
 *                     #lmdb.mdb_cursor_close(self.curs[dbi])
 *             else:
 *                 _check(lmdb.mdb_dbi_open(txn, NULL, 0, self.dbis))             # <<<<<<<<<<<<<<
 *                 _check(lmdb.mdb_cursor_open(txn, self.dbis[0], self.curs))
 *                 #lmdb.mdb_cursor_close(self.curs[self.dbis[0]])
 */
      /*else*/ {
        __pyx_f_12lakesuperior_5store_15base_lmdb_store__check(mdb_dbi_open(__pyx_v_txn, NULL, 0, __pyx_v_self->dbis), NULL); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 278, __pyx_L5_error)

        /* "lakesuperior/store/base_lmdb_store.pyx":279
 *             else:
 *                 _check(lmdb.mdb_dbi_open(txn, NULL, 0, self.dbis))
 *                 _check(lmdb.mdb_cursor_open(txn, self.dbis[0], self.curs))             # <<<<<<<<<<<<<<
 *                 #lmdb.mdb_cursor_close(self.curs[self.dbis[0]])
 * 
 */
        __pyx_f_12lakesuperior_5store_15base_lmdb_store__check(mdb_cursor_open(__pyx_v_txn, (__pyx_v_self->dbis[0]), __pyx_v_self->curs), NULL); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 279, __pyx_L5_error)
      }
      __pyx_L11:;

      /* "lakesuperior/store/base_lmdb_store.pyx":282
 *                 #lmdb.mdb_cursor_close(self.curs[self.dbis[0]])
 * 
 *             _check(lmdb.mdb_txn_commit(txn))             # <<<<<<<<<<<<<<
 *         except:
 *             lmdb.mdb_txn_abort(txn)
 */
      __pyx_f_12lakesuperior_5store_15base_lmdb_store__check(mdb_txn_commit(__pyx_v_txn), NULL); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 282, __pyx_L5_error)

      /* "lakesuperior/store/base_lmdb_store.pyx":265
 *         rc = lmdb.mdb_txn_begin(self.dbenv, NULL, txn_flags, &txn)
 *         logger.info(f'Creating DBs.')
 *         try:             # <<<<<<<<<<<<<<
 *             if len(self.dbi_labels):
 *                 for i, dblabel in enumerate(self.dbi_labels):
 */
    }
    __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
    __Pyx_XDECREF(__pyx_t_8); __pyx_t_8 = 0;
    __Pyx_XDECREF(__pyx_t_9); __pyx_t_9 = 0;
    goto __pyx_L10_try_end;
    __pyx_L5_error:;
    __Pyx_XDECREF(__pyx_t_13); __pyx_t_13 = 0;
    __Pyx_XDECREF(__pyx_t_19); __pyx_t_19 = 0;
    __Pyx_XDECREF(__pyx_t_12); __pyx_t_12 = 0;
    __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
    __Pyx_XDECREF(__pyx_t_15); __pyx_t_15 = 0;
    __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;

    /* "lakesuperior/store/base_lmdb_store.pyx":283
 * 
 *             _check(lmdb.mdb_txn_commit(txn))
 *         except:             # <<<<<<<<<<<<<<
 *             lmdb.mdb_txn_abort(txn)
 *             raise
 */
    /*except:*/ {
      __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore._init_dbis", __pyx_clineno, __pyx_lineno, __pyx_filename);
      if (__Pyx_GetException(&__pyx_t_6, &__pyx_t_15, &__pyx_t_2) < 0) __PYX_ERR(0, 283, __pyx_L7_except_error)
      __Pyx_GOTREF(__pyx_t_6);
      __Pyx_GOTREF(__pyx_t_15);
      __Pyx_GOTREF(__pyx_t_2);

      /* "lakesuperior/store/base_lmdb_store.pyx":284
 *             _check(lmdb.mdb_txn_commit(txn))
 *         except:
 *             lmdb.mdb_txn_abort(txn)             # <<<<<<<<<<<<<<
 *             raise
 * 
 */
      mdb_txn_abort(__pyx_v_txn);

      /* "lakesuperior/store/base_lmdb_store.pyx":285
 *         except:
 *             lmdb.mdb_txn_abort(txn)
 *             raise             # <<<<<<<<<<<<<<
 * 
 * 
 */
      __Pyx_GIVEREF(__pyx_t_6);
      __Pyx_GIVEREF(__pyx_t_15);
      __Pyx_XGIVEREF(__pyx_t_2);
      __Pyx_ErrRestoreWithState(__pyx_t_6, __pyx_t_15, __pyx_t_2);
      __pyx_t_6 = 0; __pyx_t_15 = 0; __pyx_t_2 = 0; 
      __PYX_ERR(0, 285, __pyx_L7_except_error)
    }
    __pyx_L7_except_error:;

    /* "lakesuperior/store/base_lmdb_store.pyx":265
 *         rc = lmdb.mdb_txn_begin(self.dbenv, NULL, txn_flags, &txn)
 *         logger.info(f'Creating DBs.')
 *         try:             # <<<<<<<<<<<<<<
 *             if len(self.dbi_labels):
 *                 for i, dblabel in enumerate(self.dbi_labels):
 */
    __Pyx_XGIVEREF(__pyx_t_7);
    __Pyx_XGIVEREF(__pyx_t_8);
    __Pyx_XGIVEREF(__pyx_t_9);
    __Pyx_ExceptionReset(__pyx_t_7, __pyx_t_8, __pyx_t_9);
    goto __pyx_L1_error;
    __pyx_L10_try_end:;
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":239
 * 
 * 
 *     cdef void _init_dbis(self, create=True) except *:             # <<<<<<<<<<<<<<
 *         """
 *         Initialize databases and cursors.
 */

  /* function exit code */
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_XDECREF(__pyx_t_12);
  __Pyx_XDECREF(__pyx_t_13);
  __Pyx_XDECREF(__pyx_t_15);
  __Pyx_XDECREF(__pyx_t_19);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore._init_dbis", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_v_dblabel);
  __Pyx_XDECREF(__pyx_v_flags);
  __Pyx_TraceReturn(Py_None, 0);
  __Pyx_RefNannyFinishContext();
}

/* "lakesuperior/store/base_lmdb_store.pyx":288
 * 
 * 
 *     cpdef void close_env(self, bint commit_pending_transaction=False) except *:             # <<<<<<<<<<<<<<
 *         logger.debug('Cleaning up store env.')
 *         if self.is_open:
 */

static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_7close_env(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_close_env(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, int __pyx_skip_dispatch, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_close_env *__pyx_optional_args) {
  int __pyx_v_commit_pending_transaction = ((int)0);
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  PyObject *__pyx_t_6 = NULL;
  int __pyx_t_7;
  __Pyx_RefNannySetupContext("close_env", 0);
  __Pyx_TraceCall("close_env", __pyx_f[0], 288, 0, __PYX_ERR(0, 288, __pyx_L1_error));
  if (__pyx_optional_args) {
    if (__pyx_optional_args->__pyx_n > 0) {
      __pyx_v_commit_pending_transaction = __pyx_optional_args->commit_pending_transaction;
    }
  }
  /* Check if called by wrapper */
  if (unlikely(__pyx_skip_dispatch)) ;
  /* Check if overridden in Python */
  else if (unlikely(Py_TYPE(((PyObject *)__pyx_v_self))->tp_dictoffset != 0)) {
    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_close_env); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 288, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    if (!PyCFunction_Check(__pyx_t_1) || (PyCFunction_GET_FUNCTION(__pyx_t_1) != (PyCFunction)__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_7close_env)) {
      __pyx_t_3 = __Pyx_PyBool_FromLong(__pyx_v_commit_pending_transaction); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 288, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_1);
      __pyx_t_4 = __pyx_t_1; __pyx_t_5 = NULL;
      if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_4))) {
        __pyx_t_5 = PyMethod_GET_SELF(__pyx_t_4);
        if (likely(__pyx_t_5)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_4);
          __Pyx_INCREF(__pyx_t_5);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_4, function);
        }
      }
      if (!__pyx_t_5) {
        __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_4, __pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 288, __pyx_L1_error)
        __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
        __Pyx_GOTREF(__pyx_t_2);
      } else {
        #if CYTHON_FAST_PYCALL
        if (PyFunction_Check(__pyx_t_4)) {
          PyObject *__pyx_temp[2] = {__pyx_t_5, __pyx_t_3};
          __pyx_t_2 = __Pyx_PyFunction_FastCall(__pyx_t_4, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 288, __pyx_L1_error)
          __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
          __Pyx_GOTREF(__pyx_t_2);
          __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
        } else
        #endif
        #if CYTHON_FAST_PYCCALL
        if (__Pyx_PyFastCFunction_Check(__pyx_t_4)) {
          PyObject *__pyx_temp[2] = {__pyx_t_5, __pyx_t_3};
          __pyx_t_2 = __Pyx_PyCFunction_FastCall(__pyx_t_4, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 288, __pyx_L1_error)
          __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
          __Pyx_GOTREF(__pyx_t_2);
          __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
        } else
        #endif
        {
          __pyx_t_6 = PyTuple_New(1+1); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 288, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_6);
          __Pyx_GIVEREF(__pyx_t_5); PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_t_5); __pyx_t_5 = NULL;
          __Pyx_GIVEREF(__pyx_t_3);
          PyTuple_SET_ITEM(__pyx_t_6, 0+1, __pyx_t_3);
          __pyx_t_3 = 0;
          __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_t_6, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 288, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_2);
          __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
        }
      }
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
      goto __pyx_L0;
    }
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":289
 * 
 *     cpdef void close_env(self, bint commit_pending_transaction=False) except *:
 *         logger.debug('Cleaning up store env.')             # <<<<<<<<<<<<<<
 *         if self.is_open:
 *             logger.debug('Closing store env.')
 */
  __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_logger); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 289, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_debug); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 289, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_tuple__7, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 289, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":290
 *     cpdef void close_env(self, bint commit_pending_transaction=False) except *:
 *         logger.debug('Cleaning up store env.')
 *         if self.is_open:             # <<<<<<<<<<<<<<
 *             logger.debug('Closing store env.')
 *             if self.is_txn_open is True:
 */
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_is_open); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 290, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_7 < 0)) __PYX_ERR(0, 290, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  if (__pyx_t_7) {

    /* "lakesuperior/store/base_lmdb_store.pyx":291
 *         logger.debug('Cleaning up store env.')
 *         if self.is_open:
 *             logger.debug('Closing store env.')             # <<<<<<<<<<<<<<
 *             if self.is_txn_open is True:
 *                 if commit_pending_transaction:
 */
    __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_logger); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 291, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_debug); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 291, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_tuple__8, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 291, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

    /* "lakesuperior/store/base_lmdb_store.pyx":292
 *         if self.is_open:
 *             logger.debug('Closing store env.')
 *             if self.is_txn_open is True:             # <<<<<<<<<<<<<<
 *                 if commit_pending_transaction:
 *                     self._txn_commit()
 */
    __pyx_t_7 = ((__pyx_v_self->is_txn_open == 1) != 0);
    if (__pyx_t_7) {

      /* "lakesuperior/store/base_lmdb_store.pyx":293
 *             logger.debug('Closing store env.')
 *             if self.is_txn_open is True:
 *                 if commit_pending_transaction:             # <<<<<<<<<<<<<<
 *                     self._txn_commit()
 *                 else:
 */
      __pyx_t_7 = (__pyx_v_commit_pending_transaction != 0);
      if (__pyx_t_7) {

        /* "lakesuperior/store/base_lmdb_store.pyx":294
 *             if self.is_txn_open is True:
 *                 if commit_pending_transaction:
 *                     self._txn_commit()             # <<<<<<<<<<<<<<
 *                 else:
 *                     self._txn_abort()
 */
        ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self->__pyx_vtab)->_txn_commit(__pyx_v_self); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 294, __pyx_L1_error)

        /* "lakesuperior/store/base_lmdb_store.pyx":293
 *             logger.debug('Closing store env.')
 *             if self.is_txn_open is True:
 *                 if commit_pending_transaction:             # <<<<<<<<<<<<<<
 *                     self._txn_commit()
 *                 else:
 */
        goto __pyx_L5;
      }

      /* "lakesuperior/store/base_lmdb_store.pyx":296
 *                     self._txn_commit()
 *                 else:
 *                     self._txn_abort()             # <<<<<<<<<<<<<<
 * 
 *             self._clear_stale_readers()
 */
      /*else*/ {
        ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self->__pyx_vtab)->_txn_abort(__pyx_v_self); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 296, __pyx_L1_error)
      }
      __pyx_L5:;

      /* "lakesuperior/store/base_lmdb_store.pyx":292
 *         if self.is_open:
 *             logger.debug('Closing store env.')
 *             if self.is_txn_open is True:             # <<<<<<<<<<<<<<
 *                 if commit_pending_transaction:
 *                     self._txn_commit()
 */
    }

    /* "lakesuperior/store/base_lmdb_store.pyx":298
 *                     self._txn_abort()
 * 
 *             self._clear_stale_readers()             # <<<<<<<<<<<<<<
 * 
 *             PyMem_Free(self.dbis)
 */
    ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self->__pyx_vtab)->_clear_stale_readers(__pyx_v_self); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 298, __pyx_L1_error)

    /* "lakesuperior/store/base_lmdb_store.pyx":300
 *             self._clear_stale_readers()
 * 
 *             PyMem_Free(self.dbis)             # <<<<<<<<<<<<<<
 *             PyMem_Free(self.curs)
 *             lmdb.mdb_env_close(self.dbenv)
 */
    PyMem_Free(__pyx_v_self->dbis);

    /* "lakesuperior/store/base_lmdb_store.pyx":301
 * 
 *             PyMem_Free(self.dbis)
 *             PyMem_Free(self.curs)             # <<<<<<<<<<<<<<
 *             lmdb.mdb_env_close(self.dbenv)
 * 
 */
    PyMem_Free(__pyx_v_self->curs);

    /* "lakesuperior/store/base_lmdb_store.pyx":302
 *             PyMem_Free(self.dbis)
 *             PyMem_Free(self.curs)
 *             lmdb.mdb_env_close(self.dbenv)             # <<<<<<<<<<<<<<
 * 
 *         self._open = False
 */
    mdb_env_close(__pyx_v_self->dbenv);

    /* "lakesuperior/store/base_lmdb_store.pyx":290
 *     cpdef void close_env(self, bint commit_pending_transaction=False) except *:
 *         logger.debug('Cleaning up store env.')
 *         if self.is_open:             # <<<<<<<<<<<<<<
 *             logger.debug('Closing store env.')
 *             if self.is_txn_open is True:
 */
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":304
 *             lmdb.mdb_env_close(self.dbenv)
 * 
 *         self._open = False             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_v_self->_open = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":288
 * 
 * 
 *     cpdef void close_env(self, bint commit_pending_transaction=False) except *:             # <<<<<<<<<<<<<<
 *         logger.debug('Cleaning up store env.')
 *         if self.is_open:
 */

  /* function exit code */
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.close_env", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_L0:;
  __Pyx_TraceReturn(Py_None, 0);
  __Pyx_RefNannyFinishContext();
}

/* Python wrapper */
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_7close_env(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_7close_env(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  int __pyx_v_commit_pending_transaction;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("close_env (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_commit_pending_transaction,0};
    PyObject* values[1] = {0};
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_commit_pending_transaction);
          if (value) { values[0] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "close_env") < 0)) __PYX_ERR(0, 288, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    if (values[0]) {
      __pyx_v_commit_pending_transaction = __Pyx_PyObject_IsTrue(values[0]); if (unlikely((__pyx_v_commit_pending_transaction == (int)-1) && PyErr_Occurred())) __PYX_ERR(0, 288, __pyx_L3_error)
    } else {
      __pyx_v_commit_pending_transaction = ((int)0);
    }
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("close_env", 0, 0, 1, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 288, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.close_env", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_6close_env(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self), __pyx_v_commit_pending_transaction);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_6close_env(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, int __pyx_v_commit_pending_transaction) {
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_close_env __pyx_t_1;
  PyObject *__pyx_t_2 = NULL;
  __Pyx_RefNannySetupContext("close_env", 0);
  __Pyx_TraceCall("close_env (wrapper)", __pyx_f[0], 288, 0, __PYX_ERR(0, 288, __pyx_L1_error));
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1.__pyx_n = 1;
  __pyx_t_1.commit_pending_transaction = __pyx_v_commit_pending_transaction;
  __pyx_vtabptr_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore->close_env(__pyx_v_self, 1, &__pyx_t_1); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 288, __pyx_L1_error)
  __pyx_t_2 = __Pyx_void_to_None(NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 288, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_r = __pyx_t_2;
  __pyx_t_2 = 0;
  goto __pyx_L0;

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.close_env", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pyx":307
 * 
 * 
 *     cpdef void destroy(self, _path='') except *:             # <<<<<<<<<<<<<<
 *         """
 *         Destroy the store.
 */

static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_9destroy(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_destroy(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, int __pyx_skip_dispatch, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_destroy *__pyx_optional_args) {
  PyObject *__pyx_v__path = ((PyObject *)__pyx_kp_u_);
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  int __pyx_t_6;
  PyObject *__pyx_t_7 = NULL;
  PyObject *__pyx_t_8 = NULL;
  PyObject *__pyx_t_9 = NULL;
  int __pyx_t_10;
  __Pyx_RefNannySetupContext("destroy", 0);
  __Pyx_TraceCall("destroy", __pyx_f[0], 307, 0, __PYX_ERR(0, 307, __pyx_L1_error));
  if (__pyx_optional_args) {
    if (__pyx_optional_args->__pyx_n > 0) {
      __pyx_v__path = __pyx_optional_args->_path;
    }
  }
  /* Check if called by wrapper */
  if (unlikely(__pyx_skip_dispatch)) ;
  /* Check if overridden in Python */
  else if (unlikely(Py_TYPE(((PyObject *)__pyx_v_self))->tp_dictoffset != 0)) {
    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_destroy); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 307, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    if (!PyCFunction_Check(__pyx_t_1) || (PyCFunction_GET_FUNCTION(__pyx_t_1) != (PyCFunction)__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_9destroy)) {
      __Pyx_INCREF(__pyx_t_1);
      __pyx_t_3 = __pyx_t_1; __pyx_t_4 = NULL;
      if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_3))) {
        __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_3);
        if (likely(__pyx_t_4)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
          __Pyx_INCREF(__pyx_t_4);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_3, function);
        }
      }
      if (!__pyx_t_4) {
        __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_v__path); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 307, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_2);
      } else {
        #if CYTHON_FAST_PYCALL
        if (PyFunction_Check(__pyx_t_3)) {
          PyObject *__pyx_temp[2] = {__pyx_t_4, __pyx_v__path};
          __pyx_t_2 = __Pyx_PyFunction_FastCall(__pyx_t_3, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 307, __pyx_L1_error)
          __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
          __Pyx_GOTREF(__pyx_t_2);
        } else
        #endif
        #if CYTHON_FAST_PYCCALL
        if (__Pyx_PyFastCFunction_Check(__pyx_t_3)) {
          PyObject *__pyx_temp[2] = {__pyx_t_4, __pyx_v__path};
          __pyx_t_2 = __Pyx_PyCFunction_FastCall(__pyx_t_3, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 307, __pyx_L1_error)
          __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
          __Pyx_GOTREF(__pyx_t_2);
        } else
        #endif
        {
          __pyx_t_5 = PyTuple_New(1+1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 307, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_5);
          __Pyx_GIVEREF(__pyx_t_4); PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_4); __pyx_t_4 = NULL;
          __Pyx_INCREF(__pyx_v__path);
          __Pyx_GIVEREF(__pyx_v__path);
          PyTuple_SET_ITEM(__pyx_t_5, 0+1, __pyx_v__path);
          __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_5, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 307, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_2);
          __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
        }
      }
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
      goto __pyx_L0;
    }
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":317
 *             general-purpose recursive file and folder delete method!)
 *         """
 *         if path.exists(self.env_path):             # <<<<<<<<<<<<<<
 *             if lmdb.MDB_NOSUBDIR & self.flags:
 *                 try:
 */
  __pyx_t_2 = __Pyx_GetModuleGlobalName(__pyx_n_s_path); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 317, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_exists); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 317, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = NULL;
  if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_3))) {
    __pyx_t_2 = PyMethod_GET_SELF(__pyx_t_3);
    if (likely(__pyx_t_2)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_2);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_3, function);
    }
  }
  if (!__pyx_t_2) {
    __pyx_t_1 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_v_self->env_path); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 317, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_3)) {
      PyObject *__pyx_temp[2] = {__pyx_t_2, __pyx_v_self->env_path};
      __pyx_t_1 = __Pyx_PyFunction_FastCall(__pyx_t_3, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 317, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
      __Pyx_GOTREF(__pyx_t_1);
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_3)) {
      PyObject *__pyx_temp[2] = {__pyx_t_2, __pyx_v_self->env_path};
      __pyx_t_1 = __Pyx_PyCFunction_FastCall(__pyx_t_3, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 317, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
      __Pyx_GOTREF(__pyx_t_1);
    } else
    #endif
    {
      __pyx_t_5 = PyTuple_New(1+1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 317, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_GIVEREF(__pyx_t_2); PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_2); __pyx_t_2 = NULL;
      __Pyx_INCREF(__pyx_v_self->env_path);
      __Pyx_GIVEREF(__pyx_v_self->env_path);
      PyTuple_SET_ITEM(__pyx_t_5, 0+1, __pyx_v_self->env_path);
      __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_5, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 317, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_1);
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_6 < 0)) __PYX_ERR(0, 317, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  if (__pyx_t_6) {

    /* "lakesuperior/store/base_lmdb_store.pyx":318
 *         """
 *         if path.exists(self.env_path):
 *             if lmdb.MDB_NOSUBDIR & self.flags:             # <<<<<<<<<<<<<<
 *                 try:
 *                     os.unlink(self.env_path)
 */
    __pyx_t_1 = __Pyx_PyInt_From_int(MDB_NOSUBDIR); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 318, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __pyx_t_3 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_flags); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 318, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __pyx_t_5 = PyNumber_And(__pyx_t_1, __pyx_t_3); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 318, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_6 < 0)) __PYX_ERR(0, 318, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    if (__pyx_t_6) {

      /* "lakesuperior/store/base_lmdb_store.pyx":319
 *         if path.exists(self.env_path):
 *             if lmdb.MDB_NOSUBDIR & self.flags:
 *                 try:             # <<<<<<<<<<<<<<
 *                     os.unlink(self.env_path)
 *                 except FileNotFoundError:
 */
      {
        __Pyx_PyThreadState_declare
        __Pyx_PyThreadState_assign
        __Pyx_ExceptionSave(&__pyx_t_7, &__pyx_t_8, &__pyx_t_9);
        __Pyx_XGOTREF(__pyx_t_7);
        __Pyx_XGOTREF(__pyx_t_8);
        __Pyx_XGOTREF(__pyx_t_9);
        /*try:*/ {

          /* "lakesuperior/store/base_lmdb_store.pyx":320
 *             if lmdb.MDB_NOSUBDIR & self.flags:
 *                 try:
 *                     os.unlink(self.env_path)             # <<<<<<<<<<<<<<
 *                 except FileNotFoundError:
 *                     pass
 */
          __pyx_t_3 = __Pyx_GetModuleGlobalName(__pyx_n_s_os); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 320, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_3);
          __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_t_3, __pyx_n_s_unlink); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 320, __pyx_L5_error)
          __Pyx_GOTREF(__pyx_t_1);
          __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
          __pyx_t_3 = NULL;
          if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_1))) {
            __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_1);
            if (likely(__pyx_t_3)) {
              PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_1);
              __Pyx_INCREF(__pyx_t_3);
              __Pyx_INCREF(function);
              __Pyx_DECREF_SET(__pyx_t_1, function);
            }
          }
          if (!__pyx_t_3) {
            __pyx_t_5 = __Pyx_PyObject_CallOneArg(__pyx_t_1, __pyx_v_self->env_path); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 320, __pyx_L5_error)
            __Pyx_GOTREF(__pyx_t_5);
          } else {
            #if CYTHON_FAST_PYCALL
            if (PyFunction_Check(__pyx_t_1)) {
              PyObject *__pyx_temp[2] = {__pyx_t_3, __pyx_v_self->env_path};
              __pyx_t_5 = __Pyx_PyFunction_FastCall(__pyx_t_1, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 320, __pyx_L5_error)
              __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
              __Pyx_GOTREF(__pyx_t_5);
            } else
            #endif
            #if CYTHON_FAST_PYCCALL
            if (__Pyx_PyFastCFunction_Check(__pyx_t_1)) {
              PyObject *__pyx_temp[2] = {__pyx_t_3, __pyx_v_self->env_path};
              __pyx_t_5 = __Pyx_PyCFunction_FastCall(__pyx_t_1, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 320, __pyx_L5_error)
              __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
              __Pyx_GOTREF(__pyx_t_5);
            } else
            #endif
            {
              __pyx_t_2 = PyTuple_New(1+1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 320, __pyx_L5_error)
              __Pyx_GOTREF(__pyx_t_2);
              __Pyx_GIVEREF(__pyx_t_3); PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_3); __pyx_t_3 = NULL;
              __Pyx_INCREF(__pyx_v_self->env_path);
              __Pyx_GIVEREF(__pyx_v_self->env_path);
              PyTuple_SET_ITEM(__pyx_t_2, 0+1, __pyx_v_self->env_path);
              __pyx_t_5 = __Pyx_PyObject_Call(__pyx_t_1, __pyx_t_2, NULL); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 320, __pyx_L5_error)
              __Pyx_GOTREF(__pyx_t_5);
              __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
            }
          }
          __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
          __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;

          /* "lakesuperior/store/base_lmdb_store.pyx":319
 *         if path.exists(self.env_path):
 *             if lmdb.MDB_NOSUBDIR & self.flags:
 *                 try:             # <<<<<<<<<<<<<<
 *                     os.unlink(self.env_path)
 *                 except FileNotFoundError:
 */
        }
        __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
        __Pyx_XDECREF(__pyx_t_8); __pyx_t_8 = 0;
        __Pyx_XDECREF(__pyx_t_9); __pyx_t_9 = 0;
        goto __pyx_L10_try_end;
        __pyx_L5_error:;
        __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
        __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
        __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
        __Pyx_XDECREF(__pyx_t_1); __pyx_t_1 = 0;
        __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;

        /* "lakesuperior/store/base_lmdb_store.pyx":321
 *                 try:
 *                     os.unlink(self.env_path)
 *                 except FileNotFoundError:             # <<<<<<<<<<<<<<
 *                     pass
 *                 try:
 */
        __Pyx_ErrFetch(&__pyx_t_5, &__pyx_t_1, &__pyx_t_2);
        __pyx_t_3 = __Pyx_GetModuleGlobalName(__pyx_n_s_FileNotFoundError); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 321, __pyx_L7_except_error)
        __Pyx_GOTREF(__pyx_t_3);
        __pyx_t_10 = __Pyx_PyErr_GivenExceptionMatches(__pyx_t_5, __pyx_t_3);
        __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
        __Pyx_ErrRestore(__pyx_t_5, __pyx_t_1, __pyx_t_2);
        __pyx_t_5 = 0; __pyx_t_1 = 0; __pyx_t_2 = 0;
        if (__pyx_t_10) {
          __Pyx_ErrRestore(0,0,0);
          goto __pyx_L6_exception_handled;
        }
        goto __pyx_L7_except_error;
        __pyx_L7_except_error:;

        /* "lakesuperior/store/base_lmdb_store.pyx":319
 *         if path.exists(self.env_path):
 *             if lmdb.MDB_NOSUBDIR & self.flags:
 *                 try:             # <<<<<<<<<<<<<<
 *                     os.unlink(self.env_path)
 *                 except FileNotFoundError:
 */
        __Pyx_XGIVEREF(__pyx_t_7);
        __Pyx_XGIVEREF(__pyx_t_8);
        __Pyx_XGIVEREF(__pyx_t_9);
        __Pyx_ExceptionReset(__pyx_t_7, __pyx_t_8, __pyx_t_9);
        goto __pyx_L1_error;
        __pyx_L6_exception_handled:;
        __Pyx_XGIVEREF(__pyx_t_7);
        __Pyx_XGIVEREF(__pyx_t_8);
        __Pyx_XGIVEREF(__pyx_t_9);
        __Pyx_ExceptionReset(__pyx_t_7, __pyx_t_8, __pyx_t_9);
        __pyx_L10_try_end:;
      }

      /* "lakesuperior/store/base_lmdb_store.pyx":323
 *                 except FileNotFoundError:
 *                     pass
 *                 try:             # <<<<<<<<<<<<<<
 *                     os.unlink(self.env_path + '-lock')
 *                 except FileNotFoundError:
 */
      {
        __Pyx_PyThreadState_declare
        __Pyx_PyThreadState_assign
        __Pyx_ExceptionSave(&__pyx_t_9, &__pyx_t_8, &__pyx_t_7);
        __Pyx_XGOTREF(__pyx_t_9);
        __Pyx_XGOTREF(__pyx_t_8);
        __Pyx_XGOTREF(__pyx_t_7);
        /*try:*/ {

          /* "lakesuperior/store/base_lmdb_store.pyx":324
 *                     pass
 *                 try:
 *                     os.unlink(self.env_path + '-lock')             # <<<<<<<<<<<<<<
 *                 except FileNotFoundError:
 *                     pass
 */
          __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_os); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 324, __pyx_L11_error)
          __Pyx_GOTREF(__pyx_t_1);
          __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_unlink); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 324, __pyx_L11_error)
          __Pyx_GOTREF(__pyx_t_5);
          __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
          __pyx_t_1 = __Pyx_PyUnicode_ConcatSafe(__pyx_v_self->env_path, __pyx_kp_u_lock); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 324, __pyx_L11_error)
          __Pyx_GOTREF(__pyx_t_1);
          __pyx_t_3 = NULL;
          if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_5))) {
            __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_5);
            if (likely(__pyx_t_3)) {
              PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
              __Pyx_INCREF(__pyx_t_3);
              __Pyx_INCREF(function);
              __Pyx_DECREF_SET(__pyx_t_5, function);
            }
          }
          if (!__pyx_t_3) {
            __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_5, __pyx_t_1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 324, __pyx_L11_error)
            __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
            __Pyx_GOTREF(__pyx_t_2);
          } else {
            #if CYTHON_FAST_PYCALL
            if (PyFunction_Check(__pyx_t_5)) {
              PyObject *__pyx_temp[2] = {__pyx_t_3, __pyx_t_1};
              __pyx_t_2 = __Pyx_PyFunction_FastCall(__pyx_t_5, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 324, __pyx_L11_error)
              __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
              __Pyx_GOTREF(__pyx_t_2);
              __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
            } else
            #endif
            #if CYTHON_FAST_PYCCALL
            if (__Pyx_PyFastCFunction_Check(__pyx_t_5)) {
              PyObject *__pyx_temp[2] = {__pyx_t_3, __pyx_t_1};
              __pyx_t_2 = __Pyx_PyCFunction_FastCall(__pyx_t_5, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 324, __pyx_L11_error)
              __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
              __Pyx_GOTREF(__pyx_t_2);
              __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
            } else
            #endif
            {
              __pyx_t_4 = PyTuple_New(1+1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 324, __pyx_L11_error)
              __Pyx_GOTREF(__pyx_t_4);
              __Pyx_GIVEREF(__pyx_t_3); PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_3); __pyx_t_3 = NULL;
              __Pyx_GIVEREF(__pyx_t_1);
              PyTuple_SET_ITEM(__pyx_t_4, 0+1, __pyx_t_1);
              __pyx_t_1 = 0;
              __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_5, __pyx_t_4, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 324, __pyx_L11_error)
              __Pyx_GOTREF(__pyx_t_2);
              __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
            }
          }
          __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
          __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

          /* "lakesuperior/store/base_lmdb_store.pyx":323
 *                 except FileNotFoundError:
 *                     pass
 *                 try:             # <<<<<<<<<<<<<<
 *                     os.unlink(self.env_path + '-lock')
 *                 except FileNotFoundError:
 */
        }
        __Pyx_XDECREF(__pyx_t_9); __pyx_t_9 = 0;
        __Pyx_XDECREF(__pyx_t_8); __pyx_t_8 = 0;
        __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
        goto __pyx_L16_try_end;
        __pyx_L11_error:;
        __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
        __Pyx_XDECREF(__pyx_t_1); __pyx_t_1 = 0;
        __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
        __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
        __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;

        /* "lakesuperior/store/base_lmdb_store.pyx":325
 *                 try:
 *                     os.unlink(self.env_path + '-lock')
 *                 except FileNotFoundError:             # <<<<<<<<<<<<<<
 *                     pass
 *             else:
 */
        __Pyx_ErrFetch(&__pyx_t_2, &__pyx_t_5, &__pyx_t_4);
        __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_FileNotFoundError); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 325, __pyx_L13_except_error)
        __Pyx_GOTREF(__pyx_t_1);
        __pyx_t_10 = __Pyx_PyErr_GivenExceptionMatches(__pyx_t_2, __pyx_t_1);
        __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
        __Pyx_ErrRestore(__pyx_t_2, __pyx_t_5, __pyx_t_4);
        __pyx_t_2 = 0; __pyx_t_5 = 0; __pyx_t_4 = 0;
        if (__pyx_t_10) {
          __Pyx_ErrRestore(0,0,0);
          goto __pyx_L12_exception_handled;
        }
        goto __pyx_L13_except_error;
        __pyx_L13_except_error:;

        /* "lakesuperior/store/base_lmdb_store.pyx":323
 *                 except FileNotFoundError:
 *                     pass
 *                 try:             # <<<<<<<<<<<<<<
 *                     os.unlink(self.env_path + '-lock')
 *                 except FileNotFoundError:
 */
        __Pyx_XGIVEREF(__pyx_t_9);
        __Pyx_XGIVEREF(__pyx_t_8);
        __Pyx_XGIVEREF(__pyx_t_7);
        __Pyx_ExceptionReset(__pyx_t_9, __pyx_t_8, __pyx_t_7);
        goto __pyx_L1_error;
        __pyx_L12_exception_handled:;
        __Pyx_XGIVEREF(__pyx_t_9);
        __Pyx_XGIVEREF(__pyx_t_8);
        __Pyx_XGIVEREF(__pyx_t_7);
        __Pyx_ExceptionReset(__pyx_t_9, __pyx_t_8, __pyx_t_7);
        __pyx_L16_try_end:;
      }

      /* "lakesuperior/store/base_lmdb_store.pyx":318
 *         """
 *         if path.exists(self.env_path):
 *             if lmdb.MDB_NOSUBDIR & self.flags:             # <<<<<<<<<<<<<<
 *                 try:
 *                     os.unlink(self.env_path)
 */
      goto __pyx_L4;
    }

    /* "lakesuperior/store/base_lmdb_store.pyx":328
 *                     pass
 *             else:
 *                 rmtree(self.env_path)             # <<<<<<<<<<<<<<
 * 
 * 
 */
    /*else*/ {
      __pyx_t_5 = __Pyx_GetModuleGlobalName(__pyx_n_s_rmtree); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 328, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __pyx_t_2 = NULL;
      if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_5))) {
        __pyx_t_2 = PyMethod_GET_SELF(__pyx_t_5);
        if (likely(__pyx_t_2)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
          __Pyx_INCREF(__pyx_t_2);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_5, function);
        }
      }
      if (!__pyx_t_2) {
        __pyx_t_4 = __Pyx_PyObject_CallOneArg(__pyx_t_5, __pyx_v_self->env_path); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 328, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_4);
      } else {
        #if CYTHON_FAST_PYCALL
        if (PyFunction_Check(__pyx_t_5)) {
          PyObject *__pyx_temp[2] = {__pyx_t_2, __pyx_v_self->env_path};
          __pyx_t_4 = __Pyx_PyFunction_FastCall(__pyx_t_5, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 328, __pyx_L1_error)
          __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
          __Pyx_GOTREF(__pyx_t_4);
        } else
        #endif
        #if CYTHON_FAST_PYCCALL
        if (__Pyx_PyFastCFunction_Check(__pyx_t_5)) {
          PyObject *__pyx_temp[2] = {__pyx_t_2, __pyx_v_self->env_path};
          __pyx_t_4 = __Pyx_PyCFunction_FastCall(__pyx_t_5, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 328, __pyx_L1_error)
          __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
          __Pyx_GOTREF(__pyx_t_4);
        } else
        #endif
        {
          __pyx_t_1 = PyTuple_New(1+1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 328, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_1);
          __Pyx_GIVEREF(__pyx_t_2); PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_t_2); __pyx_t_2 = NULL;
          __Pyx_INCREF(__pyx_v_self->env_path);
          __Pyx_GIVEREF(__pyx_v_self->env_path);
          PyTuple_SET_ITEM(__pyx_t_1, 0+1, __pyx_v_self->env_path);
          __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_5, __pyx_t_1, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 328, __pyx_L1_error)
          __Pyx_GOTREF(__pyx_t_4);
          __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
        }
      }
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    }
    __pyx_L4:;

    /* "lakesuperior/store/base_lmdb_store.pyx":317
 *             general-purpose recursive file and folder delete method!)
 *         """
 *         if path.exists(self.env_path):             # <<<<<<<<<<<<<<
 *             if lmdb.MDB_NOSUBDIR & self.flags:
 *                 try:
 */
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":307
 * 
 * 
 *     cpdef void destroy(self, _path='') except *:             # <<<<<<<<<<<<<<
 *         """
 *         Destroy the store.
 */

  /* function exit code */
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.destroy", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_L0:;
  __Pyx_TraceReturn(Py_None, 0);
  __Pyx_RefNannyFinishContext();
}

/* Python wrapper */
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_9destroy(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static char __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_8destroy[] = "\n        Destroy the store.\n\n        https://www.youtube.com/watch?v=lIVq7FJnPwg\n\n        :param str _path: unused. Left for RDFLib API compatibility. (actually\n            quite dangerous if it were used: it could turn into a\n            general-purpose recursive file and folder delete method!)\n        ";
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_9destroy(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v__path = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("destroy (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_path_2,0};
    PyObject* values[1] = {0};
    values[0] = ((PyObject *)__pyx_kp_u_);
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_path_2);
          if (value) { values[0] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "destroy") < 0)) __PYX_ERR(0, 307, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v__path = values[0];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("destroy", 0, 0, 1, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 307, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.destroy", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_8destroy(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self), __pyx_v__path);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_8destroy(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v__path) {
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_destroy __pyx_t_1;
  PyObject *__pyx_t_2 = NULL;
  __Pyx_RefNannySetupContext("destroy", 0);
  __Pyx_TraceCall("destroy (wrapper)", __pyx_f[0], 307, 0, __PYX_ERR(0, 307, __pyx_L1_error));
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1.__pyx_n = 1;
  __pyx_t_1._path = __pyx_v__path;
  __pyx_vtabptr_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore->destroy(__pyx_v_self, 1, &__pyx_t_1); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 307, __pyx_L1_error)
  __pyx_t_2 = __Pyx_void_to_None(NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 307, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_r = __pyx_t_2;
  __pyx_t_2 = 0;
  goto __pyx_L0;

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.destroy", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}
static PyObject *__pyx_gb_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_12generator(__pyx_CoroutineObject *__pyx_generator, CYTHON_UNUSED PyThreadState *__pyx_tstate, PyObject *__pyx_sent_value); /* proto */

/* "lakesuperior/store/base_lmdb_store.pyx":334
 * 
 *     @contextmanager
 *     def txn_ctx(self, write=False):             # <<<<<<<<<<<<<<
 *         """
 *         Transaction context manager.
 */

/* Python wrapper */
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_11txn_ctx(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static char __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_10txn_ctx[] = "\n        Transaction context manager.\n\n        :param bool write: Whether a write transaction is to be opened.\n\n        :rtype: lmdb.Transaction\n        ";
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_11txn_ctx(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_write = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("txn_ctx (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_write,0};
    PyObject* values[1] = {0};
    values[0] = ((PyObject *)Py_False);
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_write);
          if (value) { values[0] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "txn_ctx") < 0)) __PYX_ERR(0, 334, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_write = values[0];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("txn_ctx", 0, 0, 1, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 334, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.txn_ctx", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_10txn_ctx(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self), __pyx_v_write);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_10txn_ctx(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v_write) {
  struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx *__pyx_cur_scope;
  PyObject *__pyx_r = NULL;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("txn_ctx", 0);
  __pyx_cur_scope = (struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx *)__pyx_tp_new_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx(__pyx_ptype_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx, __pyx_empty_tuple, NULL);
  if (unlikely(!__pyx_cur_scope)) {
    __pyx_cur_scope = ((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx *)Py_None);
    __Pyx_INCREF(Py_None);
    __PYX_ERR(0, 334, __pyx_L1_error)
  } else {
    __Pyx_GOTREF(__pyx_cur_scope);
  }
  __pyx_cur_scope->__pyx_v_self = __pyx_v_self;
  __Pyx_INCREF((PyObject *)__pyx_cur_scope->__pyx_v_self);
  __Pyx_GIVEREF((PyObject *)__pyx_cur_scope->__pyx_v_self);
  __pyx_cur_scope->__pyx_v_write = __pyx_v_write;
  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_write);
  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_write);
  {
    __pyx_CoroutineObject *gen = __Pyx_Generator_New((__pyx_coroutine_body_t) __pyx_gb_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_12generator, NULL, (PyObject *) __pyx_cur_scope, __pyx_n_s_txn_ctx, __pyx_n_s_BaseLmdbStore_txn_ctx, __pyx_n_s_lakesuperior_store_base_lmdb_sto); if (unlikely(!gen)) __PYX_ERR(0, 334, __pyx_L1_error)
    __Pyx_DECREF(__pyx_cur_scope);
    __Pyx_RefNannyFinishContext();
    return (PyObject *) gen;
  }

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.txn_ctx", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __Pyx_DECREF(((PyObject *)__pyx_cur_scope));
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_gb_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_12generator(__pyx_CoroutineObject *__pyx_generator, CYTHON_UNUSED PyThreadState *__pyx_tstate, PyObject *__pyx_sent_value) /* generator body */
{
  struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx *__pyx_cur_scope = ((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx *)__pyx_generator->closure);
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  PyObject *__pyx_t_1 = NULL;
  int __pyx_t_2;
  int __pyx_t_3;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__txn_begin __pyx_t_8;
  PyObject *__pyx_t_9 = NULL;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("txn_ctx", 0);
  __Pyx_TraceCall("txn_ctx", __pyx_f[0], 334, 0, __PYX_ERR(0, 334, __pyx_L1_error));
  switch (__pyx_generator->resume_label) {
    case 0: goto __pyx_L3_first_run;
    case 1: goto __pyx_L6_resume_from_yield;
    case 2: goto __pyx_L13_resume_from_yield;
    default: /* CPython raises the right error here */
    __Pyx_TraceReturn(Py_None, 0);
    __Pyx_RefNannyFinishContext();
    return NULL;
  }
  __pyx_L3_first_run:;
  if (unlikely(!__pyx_sent_value)) __PYX_ERR(0, 334, __pyx_L1_error)

  /* "lakesuperior/store/base_lmdb_store.pyx":342
 *         :rtype: lmdb.Transaction
 *         """
 *         if not self.is_open:             # <<<<<<<<<<<<<<
 *             raise LmdbError('Store is not open.')
 * 
 */
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_cur_scope->__pyx_v_self), __pyx_n_s_is_open); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 342, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(0, 342, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_3 = ((!__pyx_t_2) != 0);
  if (unlikely(__pyx_t_3)) {

    /* "lakesuperior/store/base_lmdb_store.pyx":343
 *         """
 *         if not self.is_open:
 *             raise LmdbError('Store is not open.')             # <<<<<<<<<<<<<<
 * 
 *         if self.is_txn_open:
 */
    __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_LmdbError); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 343, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_1, __pyx_tuple__9, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 343, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __Pyx_Raise(__pyx_t_4, 0, 0, 0);
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __PYX_ERR(0, 343, __pyx_L1_error)

    /* "lakesuperior/store/base_lmdb_store.pyx":342
 *         :rtype: lmdb.Transaction
 *         """
 *         if not self.is_open:             # <<<<<<<<<<<<<<
 *             raise LmdbError('Store is not open.')
 * 
 */
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":345
 *             raise LmdbError('Store is not open.')
 * 
 *         if self.is_txn_open:             # <<<<<<<<<<<<<<
 *             logger.debug(
 *                     'Transaction is already active. Not opening another one.')
 */
  __pyx_t_3 = (__pyx_cur_scope->__pyx_v_self->is_txn_open != 0);
  if (__pyx_t_3) {

    /* "lakesuperior/store/base_lmdb_store.pyx":346
 * 
 *         if self.is_txn_open:
 *             logger.debug(             # <<<<<<<<<<<<<<
 *                     'Transaction is already active. Not opening another one.')
 *             #logger.debug('before yield')
 */
    __pyx_t_4 = __Pyx_GetModuleGlobalName(__pyx_n_s_logger); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 346, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_t_4, __pyx_n_s_debug); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 346, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_1, __pyx_tuple__10, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 346, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

    /* "lakesuperior/store/base_lmdb_store.pyx":349
 *                     'Transaction is already active. Not opening another one.')
 *             #logger.debug('before yield')
 *             yield             # <<<<<<<<<<<<<<
 *             #logger.debug('after yield')
 *         else:
 */
    __pyx_r = Py_None; __Pyx_INCREF(Py_None);
    __Pyx_XGIVEREF(__pyx_r);
    __Pyx_TraceReturn(__pyx_r, 0);
    __Pyx_RefNannyFinishContext();
    __Pyx_Coroutine_ResetAndClearException(__pyx_generator);
    /* return from generator, yielding value */
    __pyx_generator->resume_label = 1;
    return __pyx_r;
    __pyx_L6_resume_from_yield:;
    if (unlikely(!__pyx_sent_value)) __PYX_ERR(0, 349, __pyx_L1_error)

    /* "lakesuperior/store/base_lmdb_store.pyx":345
 *             raise LmdbError('Store is not open.')
 * 
 *         if self.is_txn_open:             # <<<<<<<<<<<<<<
 *             logger.debug(
 *                     'Transaction is already active. Not opening another one.')
 */
    goto __pyx_L5;
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":354
 *             #logger.debug('Beginning {} transaction.'.format(
 *             #    'RW' if write else 'RO'))
 *             try:             # <<<<<<<<<<<<<<
 *                 self._txn_begin(write=write)
 *                 self.is_txn_rw = write
 */
  /*else*/ {
    {
      __Pyx_ExceptionSave(&__pyx_t_5, &__pyx_t_6, &__pyx_t_7);
      __Pyx_XGOTREF(__pyx_t_5);
      __Pyx_XGOTREF(__pyx_t_6);
      __Pyx_XGOTREF(__pyx_t_7);
      /*try:*/ {

        /* "lakesuperior/store/base_lmdb_store.pyx":355
 *             #    'RW' if write else 'RO'))
 *             try:
 *                 self._txn_begin(write=write)             # <<<<<<<<<<<<<<
 *                 self.is_txn_rw = write
 *                 #logger.debug('In txn_ctx, before yield')
 */
        __pyx_t_8.__pyx_n = 1;
        __pyx_t_8.write = __pyx_cur_scope->__pyx_v_write;
        ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_cur_scope->__pyx_v_self->__pyx_vtab)->_txn_begin(__pyx_cur_scope->__pyx_v_self, &__pyx_t_8); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 355, __pyx_L7_error)

        /* "lakesuperior/store/base_lmdb_store.pyx":356
 *             try:
 *                 self._txn_begin(write=write)
 *                 self.is_txn_rw = write             # <<<<<<<<<<<<<<
 *                 #logger.debug('In txn_ctx, before yield')
 *                 yield
 */
        if (__Pyx_PyObject_SetAttrStr(((PyObject *)__pyx_cur_scope->__pyx_v_self), __pyx_n_s_is_txn_rw, __pyx_cur_scope->__pyx_v_write) < 0) __PYX_ERR(0, 356, __pyx_L7_error)

        /* "lakesuperior/store/base_lmdb_store.pyx":358
 *                 self.is_txn_rw = write
 *                 #logger.debug('In txn_ctx, before yield')
 *                 yield             # <<<<<<<<<<<<<<
 *                 #logger.debug('In txn_ctx, after yield')
 *                 self._txn_commit()
 */
        __pyx_r = Py_None; __Pyx_INCREF(Py_None);
        __Pyx_XGIVEREF(__pyx_t_5);
        __pyx_cur_scope->__pyx_t_0 = __pyx_t_5;
        __Pyx_XGIVEREF(__pyx_t_6);
        __pyx_cur_scope->__pyx_t_1 = __pyx_t_6;
        __Pyx_XGIVEREF(__pyx_t_7);
        __pyx_cur_scope->__pyx_t_2 = __pyx_t_7;
        __Pyx_XGIVEREF(__pyx_r);
        __Pyx_TraceReturn(__pyx_r, 0);
        __Pyx_RefNannyFinishContext();
        __Pyx_Coroutine_ResetAndClearException(__pyx_generator);
        /* return from generator, yielding value */
        __pyx_generator->resume_label = 2;
        return __pyx_r;
        __pyx_L13_resume_from_yield:;
        __pyx_t_5 = __pyx_cur_scope->__pyx_t_0;
        __pyx_cur_scope->__pyx_t_0 = 0;
        __Pyx_XGOTREF(__pyx_t_5);
        __pyx_t_6 = __pyx_cur_scope->__pyx_t_1;
        __pyx_cur_scope->__pyx_t_1 = 0;
        __Pyx_XGOTREF(__pyx_t_6);
        __pyx_t_7 = __pyx_cur_scope->__pyx_t_2;
        __pyx_cur_scope->__pyx_t_2 = 0;
        __Pyx_XGOTREF(__pyx_t_7);
        if (unlikely(!__pyx_sent_value)) __PYX_ERR(0, 358, __pyx_L7_error)

        /* "lakesuperior/store/base_lmdb_store.pyx":360
 *                 yield
 *                 #logger.debug('In txn_ctx, after yield')
 *                 self._txn_commit()             # <<<<<<<<<<<<<<
 *                 #logger.debug('after _txn_commit')
 *             except:
 */
        ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_cur_scope->__pyx_v_self->__pyx_vtab)->_txn_commit(__pyx_cur_scope->__pyx_v_self); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 360, __pyx_L7_error)

        /* "lakesuperior/store/base_lmdb_store.pyx":354
 *             #logger.debug('Beginning {} transaction.'.format(
 *             #    'RW' if write else 'RO'))
 *             try:             # <<<<<<<<<<<<<<
 *                 self._txn_begin(write=write)
 *                 self.is_txn_rw = write
 */
      }
      __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
      __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
      __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
      goto __pyx_L12_try_end;
      __pyx_L7_error:;
      __Pyx_XDECREF(__pyx_t_1); __pyx_t_1 = 0;
      __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;

      /* "lakesuperior/store/base_lmdb_store.pyx":362
 *                 self._txn_commit()
 *                 #logger.debug('after _txn_commit')
 *             except:             # <<<<<<<<<<<<<<
 *                 self._txn_abort()
 *                 raise
 */
      /*except:*/ {
        __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.txn_ctx", __pyx_clineno, __pyx_lineno, __pyx_filename);
        if (__Pyx_GetException(&__pyx_t_4, &__pyx_t_1, &__pyx_t_9) < 0) __PYX_ERR(0, 362, __pyx_L9_except_error)
        __Pyx_GOTREF(__pyx_t_4);
        __Pyx_GOTREF(__pyx_t_1);
        __Pyx_GOTREF(__pyx_t_9);

        /* "lakesuperior/store/base_lmdb_store.pyx":363
 *                 #logger.debug('after _txn_commit')
 *             except:
 *                 self._txn_abort()             # <<<<<<<<<<<<<<
 *                 raise
 * 
 */
        ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_cur_scope->__pyx_v_self->__pyx_vtab)->_txn_abort(__pyx_cur_scope->__pyx_v_self); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 363, __pyx_L9_except_error)

        /* "lakesuperior/store/base_lmdb_store.pyx":364
 *             except:
 *                 self._txn_abort()
 *                 raise             # <<<<<<<<<<<<<<
 * 
 * 
 */
        __Pyx_GIVEREF(__pyx_t_4);
        __Pyx_GIVEREF(__pyx_t_1);
        __Pyx_XGIVEREF(__pyx_t_9);
        __Pyx_ErrRestoreWithState(__pyx_t_4, __pyx_t_1, __pyx_t_9);
        __pyx_t_4 = 0; __pyx_t_1 = 0; __pyx_t_9 = 0; 
        __PYX_ERR(0, 364, __pyx_L9_except_error)
      }
      __pyx_L9_except_error:;

      /* "lakesuperior/store/base_lmdb_store.pyx":354
 *             #logger.debug('Beginning {} transaction.'.format(
 *             #    'RW' if write else 'RO'))
 *             try:             # <<<<<<<<<<<<<<
 *                 self._txn_begin(write=write)
 *                 self.is_txn_rw = write
 */
      __Pyx_XGIVEREF(__pyx_t_5);
      __Pyx_XGIVEREF(__pyx_t_6);
      __Pyx_XGIVEREF(__pyx_t_7);
      __Pyx_ExceptionReset(__pyx_t_5, __pyx_t_6, __pyx_t_7);
      goto __pyx_L1_error;
      __pyx_L12_try_end:;
    }
  }
  __pyx_L5:;
  CYTHON_MAYBE_UNUSED_VAR(__pyx_cur_scope);

  /* "lakesuperior/store/base_lmdb_store.pyx":334
 * 
 *     @contextmanager
 *     def txn_ctx(self, write=False):             # <<<<<<<<<<<<<<
 *         """
 *         Transaction context manager.
 */

  /* function exit code */
  PyErr_SetNone(PyExc_StopIteration);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_9);
  __Pyx_AddTraceback("txn_ctx", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_r); __pyx_r = 0;
  __Pyx_Coroutine_ResetAndClearException(__pyx_generator);
  __pyx_generator->resume_label = -1;
  __Pyx_Coroutine_clear((PyObject*)__pyx_generator);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pyx":367
 * 
 * 
 *     def begin(self, write=False):             # <<<<<<<<<<<<<<
 *         """
 *         Begin a transaction manually if not already in a txn context.
 */

/* Python wrapper */
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_14begin(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static char __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_13begin[] = "\n        Begin a transaction manually if not already in a txn context.\n\n        The :py:meth:`txn_ctx` context manager should be used whenever\n            possible rather than this method.\n        ";
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_14begin(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_write = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("begin (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_write,0};
    PyObject* values[1] = {0};
    values[0] = ((PyObject *)Py_False);
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_write);
          if (value) { values[0] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "begin") < 0)) __PYX_ERR(0, 367, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_write = values[0];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("begin", 0, 0, 1, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 367, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.begin", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_13begin(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self), __pyx_v_write);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_13begin(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v_write) {
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  int __pyx_t_2;
  int __pyx_t_3;
  struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__txn_begin __pyx_t_4;
  __Pyx_RefNannySetupContext("begin", 0);
  __Pyx_TraceCall("begin", __pyx_f[0], 367, 0, __PYX_ERR(0, 367, __pyx_L1_error));

  /* "lakesuperior/store/base_lmdb_store.pyx":374
 *             possible rather than this method.
 *         """
 *         if not self.is_open:             # <<<<<<<<<<<<<<
 *             raise RuntimeError('Store must be opened first.')
 *         #logger.debug('Beginning a {} transaction.'.format(
 */
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_is_open); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 374, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(0, 374, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_3 = ((!__pyx_t_2) != 0);
  if (unlikely(__pyx_t_3)) {

    /* "lakesuperior/store/base_lmdb_store.pyx":375
 *         """
 *         if not self.is_open:
 *             raise RuntimeError('Store must be opened first.')             # <<<<<<<<<<<<<<
 *         #logger.debug('Beginning a {} transaction.'.format(
 *         #    'read/write' if write else 'read-only'))
 */
    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_builtin_RuntimeError, __pyx_tuple__11, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 375, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_Raise(__pyx_t_1, 0, 0, 0);
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __PYX_ERR(0, 375, __pyx_L1_error)

    /* "lakesuperior/store/base_lmdb_store.pyx":374
 *             possible rather than this method.
 *         """
 *         if not self.is_open:             # <<<<<<<<<<<<<<
 *             raise RuntimeError('Store must be opened first.')
 *         #logger.debug('Beginning a {} transaction.'.format(
 */
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":379
 *         #    'read/write' if write else 'read-only'))
 * 
 *         self._txn_begin(write=write)             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_t_4.__pyx_n = 1;
  __pyx_t_4.write = __pyx_v_write;
  ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self->__pyx_vtab)->_txn_begin(__pyx_v_self, &__pyx_t_4); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 379, __pyx_L1_error)

  /* "lakesuperior/store/base_lmdb_store.pyx":367
 * 
 * 
 *     def begin(self, write=False):             # <<<<<<<<<<<<<<
 *         """
 *         Begin a transaction manually if not already in a txn context.
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.begin", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pyx":382
 * 
 * 
 *     def commit(self):             # <<<<<<<<<<<<<<
 *         """Commit main transaction."""
 *         #logger.debug('Committing transaction.')
 */

/* Python wrapper */
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_16commit(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused); /*proto*/
static char __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_15commit[] = "Commit main transaction.";
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_16commit(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("commit (wrapper)", 0);
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_15commit(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_15commit(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("commit", 0);
  __Pyx_TraceCall("commit", __pyx_f[0], 382, 0, __PYX_ERR(0, 382, __pyx_L1_error));

  /* "lakesuperior/store/base_lmdb_store.pyx":385
 *         """Commit main transaction."""
 *         #logger.debug('Committing transaction.')
 *         self._txn_commit()             # <<<<<<<<<<<<<<
 * 
 * 
 */
  ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self->__pyx_vtab)->_txn_commit(__pyx_v_self); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 385, __pyx_L1_error)

  /* "lakesuperior/store/base_lmdb_store.pyx":382
 * 
 * 
 *     def commit(self):             # <<<<<<<<<<<<<<
 *         """Commit main transaction."""
 *         #logger.debug('Committing transaction.')
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.commit", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pyx":388
 * 
 * 
 *     def abort(self):             # <<<<<<<<<<<<<<
 *         """Abort main transaction."""
 *         #logger.debug('Rolling back transaction.')
 */

/* Python wrapper */
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_18abort(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused); /*proto*/
static char __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_17abort[] = "Abort main transaction.";
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_18abort(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("abort (wrapper)", 0);
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_17abort(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_17abort(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("abort", 0);
  __Pyx_TraceCall("abort", __pyx_f[0], 388, 0, __PYX_ERR(0, 388, __pyx_L1_error));

  /* "lakesuperior/store/base_lmdb_store.pyx":391
 *         """Abort main transaction."""
 *         #logger.debug('Rolling back transaction.')
 *         self._txn_abort()             # <<<<<<<<<<<<<<
 * 
 * 
 */
  ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self->__pyx_vtab)->_txn_abort(__pyx_v_self); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 391, __pyx_L1_error)

  /* "lakesuperior/store/base_lmdb_store.pyx":388
 * 
 * 
 *     def abort(self):             # <<<<<<<<<<<<<<
 *         """Abort main transaction."""
 *         #logger.debug('Rolling back transaction.')
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.abort", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pyx":394
 * 
 * 
 *     def rollback(self):             # <<<<<<<<<<<<<<
 *         """Alias for :py:meth:`abort`"""
 *         self.abort()
 */

/* Python wrapper */
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_20rollback(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused); /*proto*/
static char __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_19rollback[] = "Alias for :py:meth:`abort`";
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_20rollback(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("rollback (wrapper)", 0);
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_19rollback(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_19rollback(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  __Pyx_RefNannySetupContext("rollback", 0);
  __Pyx_TraceCall("rollback", __pyx_f[0], 394, 0, __PYX_ERR(0, 394, __pyx_L1_error));

  /* "lakesuperior/store/base_lmdb_store.pyx":396
 *     def rollback(self):
 *         """Alias for :py:meth:`abort`"""
 *         self.abort()             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_abort); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 396, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_2))) {
    __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_2);
    if (likely(__pyx_t_3)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_2);
      __Pyx_INCREF(__pyx_t_3);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_2, function);
    }
  }
  if (__pyx_t_3) {
    __pyx_t_1 = __Pyx_PyObject_CallOneArg(__pyx_t_2, __pyx_t_3); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 396, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  } else {
    __pyx_t_1 = __Pyx_PyObject_CallNoArg(__pyx_t_2); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 396, __pyx_L1_error)
  }
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":394
 * 
 * 
 *     def rollback(self):             # <<<<<<<<<<<<<<
 *         """Alias for :py:meth:`abort`"""
 *         self.abort()
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.rollback", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pyx":399
 * 
 * 
 *     def key_exists(self, key, dblabel='', new_txn=True):             # <<<<<<<<<<<<<<
 *         """
 *         Return whether a key exists in a database (Python-facing method).
 */

/* Python wrapper */
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_22key_exists(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static char __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_21key_exists[] = "\n        Return whether a key exists in a database (Python-facing method).\n\n        Wrap in a new transaction. Only use this if a transaction has not been\n        opened.\n        ";
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_22key_exists(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_key = 0;
  PyObject *__pyx_v_dblabel = 0;
  PyObject *__pyx_v_new_txn = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("key_exists (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_key,&__pyx_n_s_dblabel,&__pyx_n_s_new_txn,0};
    PyObject* values[3] = {0,0,0};
    values[1] = ((PyObject *)__pyx_kp_u_);
    values[2] = ((PyObject *)Py_True);
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        CYTHON_FALLTHROUGH;
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_key)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_dblabel);
          if (value) { values[1] = value; kw_args--; }
        }
        CYTHON_FALLTHROUGH;
        case  2:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_new_txn);
          if (value) { values[2] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "key_exists") < 0)) __PYX_ERR(0, 399, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        CYTHON_FALLTHROUGH;
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_key = values[0];
    __pyx_v_dblabel = values[1];
    __pyx_v_new_txn = values[2];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("key_exists", 0, 1, 3, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 399, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.key_exists", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_21key_exists(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self), __pyx_v_key, __pyx_v_dblabel, __pyx_v_new_txn);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_21key_exists(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v_key, PyObject *__pyx_v_dblabel, PyObject *__pyx_v_new_txn) {
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  int __pyx_t_2;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  PyObject *__pyx_t_8 = NULL;
  PyObject *__pyx_t_9 = NULL;
  PyObject *__pyx_t_10 = NULL;
  unsigned char *__pyx_t_11;
  Py_ssize_t __pyx_t_12;
  unsigned char *__pyx_t_13;
  struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__key_exists __pyx_t_14;
  PyObject *__pyx_t_15 = NULL;
  __Pyx_RefNannySetupContext("key_exists", 0);
  __Pyx_TraceCall("key_exists", __pyx_f[0], 399, 0, __PYX_ERR(0, 399, __pyx_L1_error));

  /* "lakesuperior/store/base_lmdb_store.pyx":406
 *         opened.
 *         """
 *         if new_txn is True:             # <<<<<<<<<<<<<<
 *             with self.txn_ctx():
 *                 return self._key_exists(
 */
  __pyx_t_1 = (__pyx_v_new_txn == Py_True);
  __pyx_t_2 = (__pyx_t_1 != 0);
  if (__pyx_t_2) {

    /* "lakesuperior/store/base_lmdb_store.pyx":407
 *         """
 *         if new_txn is True:
 *             with self.txn_ctx():             # <<<<<<<<<<<<<<
 *                 return self._key_exists(
 *                         key, len(key), dblabel=dblabel.encode())
 */
    /*with:*/ {
      __pyx_t_4 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_txn_ctx); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 407, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __pyx_t_5 = NULL;
      if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_4))) {
        __pyx_t_5 = PyMethod_GET_SELF(__pyx_t_4);
        if (likely(__pyx_t_5)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_4);
          __Pyx_INCREF(__pyx_t_5);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_4, function);
        }
      }
      if (__pyx_t_5) {
        __pyx_t_3 = __Pyx_PyObject_CallOneArg(__pyx_t_4, __pyx_t_5); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 407, __pyx_L1_error)
        __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      } else {
        __pyx_t_3 = __Pyx_PyObject_CallNoArg(__pyx_t_4); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 407, __pyx_L1_error)
      }
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __pyx_t_6 = __Pyx_PyObject_LookupSpecial(__pyx_t_3, __pyx_n_s_exit); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 407, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_6);
      __pyx_t_5 = __Pyx_PyObject_LookupSpecial(__pyx_t_3, __pyx_n_s_enter); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 407, __pyx_L4_error)
      __Pyx_GOTREF(__pyx_t_5);
      __pyx_t_7 = NULL;
      if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_5))) {
        __pyx_t_7 = PyMethod_GET_SELF(__pyx_t_5);
        if (likely(__pyx_t_7)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
          __Pyx_INCREF(__pyx_t_7);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_5, function);
        }
      }
      if (__pyx_t_7) {
        __pyx_t_4 = __Pyx_PyObject_CallOneArg(__pyx_t_5, __pyx_t_7); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 407, __pyx_L4_error)
        __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
      } else {
        __pyx_t_4 = __Pyx_PyObject_CallNoArg(__pyx_t_5); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 407, __pyx_L4_error)
      }
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      /*try:*/ {
        {
          __Pyx_PyThreadState_declare
          __Pyx_PyThreadState_assign
          __Pyx_ExceptionSave(&__pyx_t_8, &__pyx_t_9, &__pyx_t_10);
          __Pyx_XGOTREF(__pyx_t_8);
          __Pyx_XGOTREF(__pyx_t_9);
          __Pyx_XGOTREF(__pyx_t_10);
          /*try:*/ {

            /* "lakesuperior/store/base_lmdb_store.pyx":408
 *         if new_txn is True:
 *             with self.txn_ctx():
 *                 return self._key_exists(             # <<<<<<<<<<<<<<
 *                         key, len(key), dblabel=dblabel.encode())
 *         else:
 */
            __Pyx_XDECREF(__pyx_r);

            /* "lakesuperior/store/base_lmdb_store.pyx":409
 *             with self.txn_ctx():
 *                 return self._key_exists(
 *                         key, len(key), dblabel=dblabel.encode())             # <<<<<<<<<<<<<<
 *         else:
 *             return self._key_exists(key, len(key), dblabel=dblabel.encode())
 */
            __pyx_t_11 = __Pyx_PyObject_AsWritableUString(__pyx_v_key); if (unlikely((!__pyx_t_11) && PyErr_Occurred())) __PYX_ERR(0, 409, __pyx_L8_error)
            __pyx_t_12 = PyObject_Length(__pyx_v_key); if (unlikely(__pyx_t_12 == ((Py_ssize_t)-1))) __PYX_ERR(0, 409, __pyx_L8_error)
            __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_v_dblabel, __pyx_n_s_encode); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 409, __pyx_L8_error)
            __Pyx_GOTREF(__pyx_t_4);
            __pyx_t_5 = NULL;
            if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_4))) {
              __pyx_t_5 = PyMethod_GET_SELF(__pyx_t_4);
              if (likely(__pyx_t_5)) {
                PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_4);
                __Pyx_INCREF(__pyx_t_5);
                __Pyx_INCREF(function);
                __Pyx_DECREF_SET(__pyx_t_4, function);
              }
            }
            if (__pyx_t_5) {
              __pyx_t_3 = __Pyx_PyObject_CallOneArg(__pyx_t_4, __pyx_t_5); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 409, __pyx_L8_error)
              __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
            } else {
              __pyx_t_3 = __Pyx_PyObject_CallNoArg(__pyx_t_4); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 409, __pyx_L8_error)
            }
            __Pyx_GOTREF(__pyx_t_3);
            __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
            __pyx_t_13 = __Pyx_PyObject_AsWritableUString(__pyx_t_3); if (unlikely((!__pyx_t_13) && PyErr_Occurred())) __PYX_ERR(0, 409, __pyx_L8_error)

            /* "lakesuperior/store/base_lmdb_store.pyx":408
 *         if new_txn is True:
 *             with self.txn_ctx():
 *                 return self._key_exists(             # <<<<<<<<<<<<<<
 *                         key, len(key), dblabel=dblabel.encode())
 *         else:
 */
            __pyx_t_14.__pyx_n = 1;
            __pyx_t_14.dblabel = __pyx_t_13;
            __pyx_t_2 = __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__key_exists(__pyx_v_self, __pyx_t_11, __pyx_t_12, &__pyx_t_14); if (unlikely(__pyx_t_2 == ((int)-1))) __PYX_ERR(0, 408, __pyx_L8_error)
            __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
            __pyx_t_3 = __Pyx_PyBool_FromLong(__pyx_t_2); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 408, __pyx_L8_error)
            __Pyx_GOTREF(__pyx_t_3);
            __pyx_r = __pyx_t_3;
            __pyx_t_3 = 0;
            goto __pyx_L12_try_return;

            /* "lakesuperior/store/base_lmdb_store.pyx":407
 *         """
 *         if new_txn is True:
 *             with self.txn_ctx():             # <<<<<<<<<<<<<<
 *                 return self._key_exists(
 *                         key, len(key), dblabel=dblabel.encode())
 */
          }
          __pyx_L8_error:;
          __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
          __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
          __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
          __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
          /*except:*/ {
            __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.key_exists", __pyx_clineno, __pyx_lineno, __pyx_filename);
            if (__Pyx_GetException(&__pyx_t_3, &__pyx_t_4, &__pyx_t_5) < 0) __PYX_ERR(0, 407, __pyx_L10_except_error)
            __Pyx_GOTREF(__pyx_t_3);
            __Pyx_GOTREF(__pyx_t_4);
            __Pyx_GOTREF(__pyx_t_5);
            __pyx_t_7 = PyTuple_Pack(3, __pyx_t_3, __pyx_t_4, __pyx_t_5); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 407, __pyx_L10_except_error)
            __Pyx_GOTREF(__pyx_t_7);
            __pyx_t_15 = __Pyx_PyObject_Call(__pyx_t_6, __pyx_t_7, NULL);
            __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
            __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
            if (unlikely(!__pyx_t_15)) __PYX_ERR(0, 407, __pyx_L10_except_error)
            __Pyx_GOTREF(__pyx_t_15);
            __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_15);
            __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
            if (__pyx_t_2 < 0) __PYX_ERR(0, 407, __pyx_L10_except_error)
            __pyx_t_1 = ((!(__pyx_t_2 != 0)) != 0);
            if (__pyx_t_1) {
              __Pyx_GIVEREF(__pyx_t_3);
              __Pyx_GIVEREF(__pyx_t_4);
              __Pyx_XGIVEREF(__pyx_t_5);
              __Pyx_ErrRestoreWithState(__pyx_t_3, __pyx_t_4, __pyx_t_5);
              __pyx_t_3 = 0; __pyx_t_4 = 0; __pyx_t_5 = 0; 
              __PYX_ERR(0, 407, __pyx_L10_except_error)
            }
            __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
            __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
            __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
            goto __pyx_L9_exception_handled;
          }
          __pyx_L10_except_error:;
          __Pyx_XGIVEREF(__pyx_t_8);
          __Pyx_XGIVEREF(__pyx_t_9);
          __Pyx_XGIVEREF(__pyx_t_10);
          __Pyx_ExceptionReset(__pyx_t_8, __pyx_t_9, __pyx_t_10);
          goto __pyx_L1_error;
          __pyx_L12_try_return:;
          __Pyx_XGIVEREF(__pyx_t_8);
          __Pyx_XGIVEREF(__pyx_t_9);
          __Pyx_XGIVEREF(__pyx_t_10);
          __Pyx_ExceptionReset(__pyx_t_8, __pyx_t_9, __pyx_t_10);
          goto __pyx_L5_return;
          __pyx_L9_exception_handled:;
          __Pyx_XGIVEREF(__pyx_t_8);
          __Pyx_XGIVEREF(__pyx_t_9);
          __Pyx_XGIVEREF(__pyx_t_10);
          __Pyx_ExceptionReset(__pyx_t_8, __pyx_t_9, __pyx_t_10);
        }
      }
      /*finally:*/ {
        /*normal exit:*/{
          if (__pyx_t_6) {
            __pyx_t_10 = __Pyx_PyObject_Call(__pyx_t_6, __pyx_tuple__12, NULL);
            __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
            if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 407, __pyx_L1_error)
            __Pyx_GOTREF(__pyx_t_10);
            __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
          }
          goto __pyx_L7;
        }
        __pyx_L5_return: {
          __pyx_t_10 = __pyx_r;
          __pyx_r = 0;
          if (__pyx_t_6) {
            __pyx_t_9 = __Pyx_PyObject_Call(__pyx_t_6, __pyx_tuple__13, NULL);
            __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
            if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 407, __pyx_L1_error)
            __Pyx_GOTREF(__pyx_t_9);
            __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
          }
          __pyx_r = __pyx_t_10;
          __pyx_t_10 = 0;
          goto __pyx_L0;
        }
        __pyx_L7:;
      }
      goto __pyx_L17;
      __pyx_L4_error:;
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
      goto __pyx_L1_error;
      __pyx_L17:;
    }

    /* "lakesuperior/store/base_lmdb_store.pyx":406
 *         opened.
 *         """
 *         if new_txn is True:             # <<<<<<<<<<<<<<
 *             with self.txn_ctx():
 *                 return self._key_exists(
 */
    goto __pyx_L3;
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":411
 *                         key, len(key), dblabel=dblabel.encode())
 *         else:
 *             return self._key_exists(key, len(key), dblabel=dblabel.encode())             # <<<<<<<<<<<<<<
 * 
 * 
 */
  /*else*/ {
    __Pyx_XDECREF(__pyx_r);
    __pyx_t_13 = __Pyx_PyObject_AsWritableUString(__pyx_v_key); if (unlikely((!__pyx_t_13) && PyErr_Occurred())) __PYX_ERR(0, 411, __pyx_L1_error)
    __pyx_t_12 = PyObject_Length(__pyx_v_key); if (unlikely(__pyx_t_12 == ((Py_ssize_t)-1))) __PYX_ERR(0, 411, __pyx_L1_error)
    __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_v_dblabel, __pyx_n_s_encode); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 411, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __pyx_t_3 = NULL;
    if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_4))) {
      __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_4);
      if (likely(__pyx_t_3)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_4);
        __Pyx_INCREF(__pyx_t_3);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_4, function);
      }
    }
    if (__pyx_t_3) {
      __pyx_t_5 = __Pyx_PyObject_CallOneArg(__pyx_t_4, __pyx_t_3); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 411, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    } else {
      __pyx_t_5 = __Pyx_PyObject_CallNoArg(__pyx_t_4); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 411, __pyx_L1_error)
    }
    __Pyx_GOTREF(__pyx_t_5);
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __pyx_t_11 = __Pyx_PyObject_AsWritableUString(__pyx_t_5); if (unlikely((!__pyx_t_11) && PyErr_Occurred())) __PYX_ERR(0, 411, __pyx_L1_error)
    __pyx_t_14.__pyx_n = 1;
    __pyx_t_14.dblabel = __pyx_t_11;
    __pyx_t_1 = __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__key_exists(__pyx_v_self, __pyx_t_13, __pyx_t_12, &__pyx_t_14); if (unlikely(__pyx_t_1 == ((int)-1))) __PYX_ERR(0, 411, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    __pyx_t_5 = __Pyx_PyBool_FromLong(__pyx_t_1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 411, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);
    __pyx_r = __pyx_t_5;
    __pyx_t_5 = 0;
    goto __pyx_L0;
  }
  __pyx_L3:;

  /* "lakesuperior/store/base_lmdb_store.pyx":399
 * 
 * 
 *     def key_exists(self, key, dblabel='', new_txn=True):             # <<<<<<<<<<<<<<
 *         """
 *         Return whether a key exists in a database (Python-facing method).
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.key_exists", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pyx":414
 * 
 * 
 *     cdef inline bint _key_exists(             # <<<<<<<<<<<<<<
 *             self, unsigned char *key, unsigned char klen,
 *             unsigned char *dblabel=b'') except -1:
 */

static CYTHON_INLINE int __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__key_exists(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, unsigned char *__pyx_v_key, unsigned char __pyx_v_klen, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__key_exists *__pyx_optional_args) {
  unsigned char *__pyx_v_dblabel = __pyx_k__14;
  struct MDB_val __pyx_v_key_v;
  struct MDB_val __pyx_v_data_v;
  int __pyx_r;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  MDB_dbi __pyx_t_4;
  struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_dbi __pyx_t_5;
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  PyObject *__pyx_t_8 = NULL;
  PyObject *__pyx_t_9 = NULL;
  int __pyx_t_10;
  __Pyx_RefNannySetupContext("_key_exists", 0);
  __Pyx_TraceCall("_key_exists", __pyx_f[0], 414, 0, __PYX_ERR(0, 414, __pyx_L1_error));
  if (__pyx_optional_args) {
    if (__pyx_optional_args->__pyx_n > 0) {
      __pyx_v_dblabel = __pyx_optional_args->dblabel;
    }
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":424
 *         cdef lmdb.MDB_val key_v, data_v
 * 
 *         key_v.mv_data = key             # <<<<<<<<<<<<<<
 *         key_v.mv_size = klen
 *         #logger.debug(
 */
  __pyx_v_key_v.mv_data = __pyx_v_key;

  /* "lakesuperior/store/base_lmdb_store.pyx":425
 * 
 *         key_v.mv_data = key
 *         key_v.mv_size = klen             # <<<<<<<<<<<<<<
 *         #logger.debug(
 *         #        'Checking if key {} with size {} exists...'.format(key, klen))
 */
  __pyx_v_key_v.mv_size = __pyx_v_klen;

  /* "lakesuperior/store/base_lmdb_store.pyx":428
 *         #logger.debug(
 *         #        'Checking if key {} with size {} exists...'.format(key, klen))
 *         try:             # <<<<<<<<<<<<<<
 *             _check(lmdb.mdb_get(
 *                 self.txn, self.get_dbi(dblabel), &key_v, &data_v))
 */
  {
    __Pyx_PyThreadState_declare
    __Pyx_PyThreadState_assign
    __Pyx_ExceptionSave(&__pyx_t_1, &__pyx_t_2, &__pyx_t_3);
    __Pyx_XGOTREF(__pyx_t_1);
    __Pyx_XGOTREF(__pyx_t_2);
    __Pyx_XGOTREF(__pyx_t_3);
    /*try:*/ {

      /* "lakesuperior/store/base_lmdb_store.pyx":430
 *         try:
 *             _check(lmdb.mdb_get(
 *                 self.txn, self.get_dbi(dblabel), &key_v, &data_v))             # <<<<<<<<<<<<<<
 *         except KeyNotFoundError:
 *             #logger.debug('...no.')
 */
      __pyx_t_5.__pyx_n = 1;
      __pyx_t_5.dblabel = __pyx_v_dblabel;
      __pyx_t_4 = ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self->__pyx_vtab)->get_dbi(__pyx_v_self, &__pyx_t_5); 

      /* "lakesuperior/store/base_lmdb_store.pyx":429
 *         #        'Checking if key {} with size {} exists...'.format(key, klen))
 *         try:
 *             _check(lmdb.mdb_get(             # <<<<<<<<<<<<<<
 *                 self.txn, self.get_dbi(dblabel), &key_v, &data_v))
 *         except KeyNotFoundError:
 */
      __pyx_f_12lakesuperior_5store_15base_lmdb_store__check(mdb_get(__pyx_v_self->txn, __pyx_t_4, (&__pyx_v_key_v), (&__pyx_v_data_v)), NULL); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 429, __pyx_L3_error)

      /* "lakesuperior/store/base_lmdb_store.pyx":428
 *         #logger.debug(
 *         #        'Checking if key {} with size {} exists...'.format(key, klen))
 *         try:             # <<<<<<<<<<<<<<
 *             _check(lmdb.mdb_get(
 *                 self.txn, self.get_dbi(dblabel), &key_v, &data_v))
 */
    }
    __Pyx_XDECREF(__pyx_t_1); __pyx_t_1 = 0;
    __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
    __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
    goto __pyx_L8_try_end;
    __pyx_L3_error:;

    /* "lakesuperior/store/base_lmdb_store.pyx":431
 *             _check(lmdb.mdb_get(
 *                 self.txn, self.get_dbi(dblabel), &key_v, &data_v))
 *         except KeyNotFoundError:             # <<<<<<<<<<<<<<
 *             #logger.debug('...no.')
 *             return False
 */
    __Pyx_ErrFetch(&__pyx_t_6, &__pyx_t_7, &__pyx_t_8);
    __pyx_t_9 = __Pyx_GetModuleGlobalName(__pyx_n_s_KeyNotFoundError); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 431, __pyx_L5_except_error)
    __Pyx_GOTREF(__pyx_t_9);
    __pyx_t_10 = __Pyx_PyErr_GivenExceptionMatches(__pyx_t_6, __pyx_t_9);
    __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
    __Pyx_ErrRestore(__pyx_t_6, __pyx_t_7, __pyx_t_8);
    __pyx_t_6 = 0; __pyx_t_7 = 0; __pyx_t_8 = 0;
    if (__pyx_t_10) {
      __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore._key_exists", __pyx_clineno, __pyx_lineno, __pyx_filename);
      if (__Pyx_GetException(&__pyx_t_8, &__pyx_t_7, &__pyx_t_6) < 0) __PYX_ERR(0, 431, __pyx_L5_except_error)
      __Pyx_GOTREF(__pyx_t_8);
      __Pyx_GOTREF(__pyx_t_7);
      __Pyx_GOTREF(__pyx_t_6);

      /* "lakesuperior/store/base_lmdb_store.pyx":433
 *         except KeyNotFoundError:
 *             #logger.debug('...no.')
 *             return False             # <<<<<<<<<<<<<<
 *         #logger.debug('...yes.')
 *         return True
 */
      __pyx_r = 0;
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
      goto __pyx_L6_except_return;
    }
    goto __pyx_L5_except_error;
    __pyx_L5_except_error:;

    /* "lakesuperior/store/base_lmdb_store.pyx":428
 *         #logger.debug(
 *         #        'Checking if key {} with size {} exists...'.format(key, klen))
 *         try:             # <<<<<<<<<<<<<<
 *             _check(lmdb.mdb_get(
 *                 self.txn, self.get_dbi(dblabel), &key_v, &data_v))
 */
    __Pyx_XGIVEREF(__pyx_t_1);
    __Pyx_XGIVEREF(__pyx_t_2);
    __Pyx_XGIVEREF(__pyx_t_3);
    __Pyx_ExceptionReset(__pyx_t_1, __pyx_t_2, __pyx_t_3);
    goto __pyx_L1_error;
    __pyx_L6_except_return:;
    __Pyx_XGIVEREF(__pyx_t_1);
    __Pyx_XGIVEREF(__pyx_t_2);
    __Pyx_XGIVEREF(__pyx_t_3);
    __Pyx_ExceptionReset(__pyx_t_1, __pyx_t_2, __pyx_t_3);
    goto __pyx_L0;
    __pyx_L8_try_end:;
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":435
 *             return False
 *         #logger.debug('...yes.')
 *         return True             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_r = 1;
  goto __pyx_L0;

  /* "lakesuperior/store/base_lmdb_store.pyx":414
 * 
 * 
 *     cdef inline bint _key_exists(             # <<<<<<<<<<<<<<
 *             self, unsigned char *key, unsigned char klen,
 *             unsigned char *dblabel=b'') except -1:
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_XDECREF(__pyx_t_8);
  __Pyx_XDECREF(__pyx_t_9);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore._key_exists", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = -1;
  __pyx_L0:;
  __Pyx_TraceReturn(Py_None, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pyx":438
 * 
 * 
 *     def put(self, key, data, dblabel='', flags=0):             # <<<<<<<<<<<<<<
 *         """
 *         Put one key/value pair (Python-facing method).
 */

/* Python wrapper */
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_24put(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static char __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_23put[] = "\n        Put one key/value pair (Python-facing method).\n        ";
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_24put(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_key = 0;
  PyObject *__pyx_v_data = 0;
  PyObject *__pyx_v_dblabel = 0;
  PyObject *__pyx_v_flags = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("put (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_key,&__pyx_n_s_data,&__pyx_n_s_dblabel,&__pyx_n_s_flags,0};
    PyObject* values[4] = {0,0,0,0};
    values[2] = ((PyObject *)__pyx_kp_u_);
    values[3] = ((PyObject *)__pyx_int_0);
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        CYTHON_FALLTHROUGH;
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        CYTHON_FALLTHROUGH;
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_key)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_data)) != 0)) kw_args--;
        else {
          __Pyx_RaiseArgtupleInvalid("put", 0, 2, 4, 1); __PYX_ERR(0, 438, __pyx_L3_error)
        }
        CYTHON_FALLTHROUGH;
        case  2:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_dblabel);
          if (value) { values[2] = value; kw_args--; }
        }
        CYTHON_FALLTHROUGH;
        case  3:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_flags);
          if (value) { values[3] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "put") < 0)) __PYX_ERR(0, 438, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
        CYTHON_FALLTHROUGH;
        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
        CYTHON_FALLTHROUGH;
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_key = values[0];
    __pyx_v_data = values[1];
    __pyx_v_dblabel = values[2];
    __pyx_v_flags = values[3];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("put", 0, 2, 4, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 438, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.put", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_23put(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self), __pyx_v_key, __pyx_v_data, __pyx_v_dblabel, __pyx_v_flags);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_23put(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v_key, PyObject *__pyx_v_data, PyObject *__pyx_v_dblabel, PyObject *__pyx_v_flags) {
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  unsigned char *__pyx_t_1;
  Py_ssize_t __pyx_t_2;
  unsigned char *__pyx_t_3;
  Py_ssize_t __pyx_t_4;
  PyObject *__pyx_t_5 = NULL;
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  unsigned char *__pyx_t_8;
  unsigned int __pyx_t_9;
  struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__put __pyx_t_10;
  __Pyx_RefNannySetupContext("put", 0);
  __Pyx_TraceCall("put", __pyx_f[0], 438, 0, __PYX_ERR(0, 438, __pyx_L1_error));

  /* "lakesuperior/store/base_lmdb_store.pyx":443
 *         """
 *         self._put(
 *                 key, len(key), data, len(data), dblabel=dblabel.encode(),             # <<<<<<<<<<<<<<
 *                 txn=self.txn, flags=flags)
 * 
 */
  __pyx_t_1 = __Pyx_PyObject_AsWritableUString(__pyx_v_key); if (unlikely((!__pyx_t_1) && PyErr_Occurred())) __PYX_ERR(0, 443, __pyx_L1_error)
  __pyx_t_2 = PyObject_Length(__pyx_v_key); if (unlikely(__pyx_t_2 == ((Py_ssize_t)-1))) __PYX_ERR(0, 443, __pyx_L1_error)
  __pyx_t_3 = __Pyx_PyObject_AsWritableUString(__pyx_v_data); if (unlikely((!__pyx_t_3) && PyErr_Occurred())) __PYX_ERR(0, 443, __pyx_L1_error)
  __pyx_t_4 = PyObject_Length(__pyx_v_data); if (unlikely(__pyx_t_4 == ((Py_ssize_t)-1))) __PYX_ERR(0, 443, __pyx_L1_error)
  __pyx_t_6 = __Pyx_PyObject_GetAttrStr(__pyx_v_dblabel, __pyx_n_s_encode); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 443, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_6);
  __pyx_t_7 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_6))) {
    __pyx_t_7 = PyMethod_GET_SELF(__pyx_t_6);
    if (likely(__pyx_t_7)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_6);
      __Pyx_INCREF(__pyx_t_7);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_6, function);
    }
  }
  if (__pyx_t_7) {
    __pyx_t_5 = __Pyx_PyObject_CallOneArg(__pyx_t_6, __pyx_t_7); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 443, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
  } else {
    __pyx_t_5 = __Pyx_PyObject_CallNoArg(__pyx_t_6); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 443, __pyx_L1_error)
  }
  __Pyx_GOTREF(__pyx_t_5);
  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
  __pyx_t_8 = __Pyx_PyObject_AsWritableUString(__pyx_t_5); if (unlikely((!__pyx_t_8) && PyErr_Occurred())) __PYX_ERR(0, 443, __pyx_L1_error)

  /* "lakesuperior/store/base_lmdb_store.pyx":444
 *         self._put(
 *                 key, len(key), data, len(data), dblabel=dblabel.encode(),
 *                 txn=self.txn, flags=flags)             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_t_9 = __Pyx_PyInt_As_unsigned_int(__pyx_v_flags); if (unlikely((__pyx_t_9 == (unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 444, __pyx_L1_error)

  /* "lakesuperior/store/base_lmdb_store.pyx":442
 *         Put one key/value pair (Python-facing method).
 *         """
 *         self._put(             # <<<<<<<<<<<<<<
 *                 key, len(key), data, len(data), dblabel=dblabel.encode(),
 *                 txn=self.txn, flags=flags)
 */
  __pyx_t_10.__pyx_n = 3;
  __pyx_t_10.dblabel = __pyx_t_8;
  __pyx_t_10.txn = __pyx_v_self->txn;
  __pyx_t_10.flags = __pyx_t_9;
  ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self->__pyx_vtab)->_put(__pyx_v_self, __pyx_t_1, __pyx_t_2, __pyx_t_3, __pyx_t_4, &__pyx_t_10); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 442, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":438
 * 
 * 
 *     def put(self, key, data, dblabel='', flags=0):             # <<<<<<<<<<<<<<
 *         """
 *         Put one key/value pair (Python-facing method).
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.put", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pyx":447
 * 
 * 
 *     cdef void _put(             # <<<<<<<<<<<<<<
 *             self, unsigned char *key, size_t key_size, unsigned char *data,
 *             size_t data_size, unsigned char *dblabel='',
 */

static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__put(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, unsigned char *__pyx_v_key, size_t __pyx_v_key_size, unsigned char *__pyx_v_data, size_t __pyx_v_data_size, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__put *__pyx_optional_args) {
  unsigned char *__pyx_v_dblabel = __pyx_k__15;

  /* "lakesuperior/store/base_lmdb_store.pyx":450
 *             self, unsigned char *key, size_t key_size, unsigned char *data,
 *             size_t data_size, unsigned char *dblabel='',
 *             lmdb.MDB_txn *txn=NULL, unsigned int flags=0) except *:             # <<<<<<<<<<<<<<
 *         """
 *         Put one key/value pair.
 */
  MDB_txn *__pyx_v_txn = ((MDB_txn *)NULL);
  unsigned int __pyx_v_flags = ((unsigned int)0);
  int __pyx_v_rc;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  MDB_txn *__pyx_t_2;
  MDB_dbi __pyx_t_3;
  struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_dbi __pyx_t_4;
  PyObject *__pyx_t_5 = NULL;
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  PyObject *__pyx_t_8 = NULL;
  PyObject *__pyx_t_9 = NULL;
  int __pyx_t_10;
  PyObject *__pyx_t_11 = NULL;
  struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store__check __pyx_t_12;
  __Pyx_RefNannySetupContext("_put", 0);
  __Pyx_TraceCall("_put", __pyx_f[0], 447, 0, __PYX_ERR(0, 447, __pyx_L1_error));
  if (__pyx_optional_args) {
    if (__pyx_optional_args->__pyx_n > 0) {
      __pyx_v_dblabel = __pyx_optional_args->dblabel;
      if (__pyx_optional_args->__pyx_n > 1) {
        __pyx_v_txn = __pyx_optional_args->txn;
        if (__pyx_optional_args->__pyx_n > 2) {
          __pyx_v_flags = __pyx_optional_args->flags;
        }
      }
    }
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":454
 *         Put one key/value pair.
 *         """
 *         if txn is NULL:             # <<<<<<<<<<<<<<
 *             txn = self.txn
 * 
 */
  __pyx_t_1 = ((__pyx_v_txn == NULL) != 0);
  if (__pyx_t_1) {

    /* "lakesuperior/store/base_lmdb_store.pyx":455
 *         """
 *         if txn is NULL:
 *             txn = self.txn             # <<<<<<<<<<<<<<
 * 
 *         key_v.mv_data = key
 */
    __pyx_t_2 = __pyx_v_self->txn;
    __pyx_v_txn = __pyx_t_2;

    /* "lakesuperior/store/base_lmdb_store.pyx":454
 *         Put one key/value pair.
 *         """
 *         if txn is NULL:             # <<<<<<<<<<<<<<
 *             txn = self.txn
 * 
 */
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":457
 *             txn = self.txn
 * 
 *         key_v.mv_data = key             # <<<<<<<<<<<<<<
 *         key_v.mv_size = key_size
 *         data_v.mv_data = data
 */
  __pyx_v_12lakesuperior_5store_15base_lmdb_store_key_v.mv_data = __pyx_v_key;

  /* "lakesuperior/store/base_lmdb_store.pyx":458
 * 
 *         key_v.mv_data = key
 *         key_v.mv_size = key_size             # <<<<<<<<<<<<<<
 *         data_v.mv_data = data
 *         data_v.mv_size = data_size
 */
  __pyx_v_12lakesuperior_5store_15base_lmdb_store_key_v.mv_size = __pyx_v_key_size;

  /* "lakesuperior/store/base_lmdb_store.pyx":459
 *         key_v.mv_data = key
 *         key_v.mv_size = key_size
 *         data_v.mv_data = data             # <<<<<<<<<<<<<<
 *         data_v.mv_size = data_size
 * 
 */
  __pyx_v_12lakesuperior_5store_15base_lmdb_store_data_v.mv_data = __pyx_v_data;

  /* "lakesuperior/store/base_lmdb_store.pyx":460
 *         key_v.mv_size = key_size
 *         data_v.mv_data = data
 *         data_v.mv_size = data_size             # <<<<<<<<<<<<<<
 * 
 *         #logger.debug('Putting: {}, {} into DB {}'.format(key[: key_size],
 */
  __pyx_v_12lakesuperior_5store_15base_lmdb_store_data_v.mv_size = __pyx_v_data_size;

  /* "lakesuperior/store/base_lmdb_store.pyx":464
 *         #logger.debug('Putting: {}, {} into DB {}'.format(key[: key_size],
 *         #    data[: data_size], dblabel))
 *         rc = lmdb.mdb_put(txn, self.get_dbi(dblabel), &key_v, &data_v, flags)             # <<<<<<<<<<<<<<
 *         _check(rc, 'Error putting data: {}, {}'.format(
 *                 key[: key_size], data[: data_size]))
 */
  __pyx_t_4.__pyx_n = 1;
  __pyx_t_4.dblabel = __pyx_v_dblabel;
  __pyx_t_3 = ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self->__pyx_vtab)->get_dbi(__pyx_v_self, &__pyx_t_4); 
  __pyx_v_rc = mdb_put(__pyx_v_txn, __pyx_t_3, (&__pyx_v_12lakesuperior_5store_15base_lmdb_store_key_v), (&__pyx_v_12lakesuperior_5store_15base_lmdb_store_data_v), __pyx_v_flags);

  /* "lakesuperior/store/base_lmdb_store.pyx":465
 *         #    data[: data_size], dblabel))
 *         rc = lmdb.mdb_put(txn, self.get_dbi(dblabel), &key_v, &data_v, flags)
 *         _check(rc, 'Error putting data: {}, {}'.format(             # <<<<<<<<<<<<<<
 *                 key[: key_size], data[: data_size]))
 * 
 */
  __pyx_t_6 = __Pyx_PyObject_GetAttrStr(__pyx_kp_u_Error_putting_data, __pyx_n_s_format); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 465, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_6);

  /* "lakesuperior/store/base_lmdb_store.pyx":466
 *         rc = lmdb.mdb_put(txn, self.get_dbi(dblabel), &key_v, &data_v, flags)
 *         _check(rc, 'Error putting data: {}, {}'.format(
 *                 key[: key_size], data[: data_size]))             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_t_7 = __Pyx_PyBytes_FromStringAndSize(((const char*)__pyx_v_key) + 0, __pyx_v_key_size - 0); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 466, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_7);
  __pyx_t_8 = __Pyx_PyBytes_FromStringAndSize(((const char*)__pyx_v_data) + 0, __pyx_v_data_size - 0); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 466, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_8);
  __pyx_t_9 = NULL;
  __pyx_t_10 = 0;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_6))) {
    __pyx_t_9 = PyMethod_GET_SELF(__pyx_t_6);
    if (likely(__pyx_t_9)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_6);
      __Pyx_INCREF(__pyx_t_9);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_6, function);
      __pyx_t_10 = 1;
    }
  }
  #if CYTHON_FAST_PYCALL
  if (PyFunction_Check(__pyx_t_6)) {
    PyObject *__pyx_temp[3] = {__pyx_t_9, __pyx_t_7, __pyx_t_8};
    __pyx_t_5 = __Pyx_PyFunction_FastCall(__pyx_t_6, __pyx_temp+1-__pyx_t_10, 2+__pyx_t_10); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 465, __pyx_L1_error)
    __Pyx_XDECREF(__pyx_t_9); __pyx_t_9 = 0;
    __Pyx_GOTREF(__pyx_t_5);
    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
  } else
  #endif
  #if CYTHON_FAST_PYCCALL
  if (__Pyx_PyFastCFunction_Check(__pyx_t_6)) {
    PyObject *__pyx_temp[3] = {__pyx_t_9, __pyx_t_7, __pyx_t_8};
    __pyx_t_5 = __Pyx_PyCFunction_FastCall(__pyx_t_6, __pyx_temp+1-__pyx_t_10, 2+__pyx_t_10); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 465, __pyx_L1_error)
    __Pyx_XDECREF(__pyx_t_9); __pyx_t_9 = 0;
    __Pyx_GOTREF(__pyx_t_5);
    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
  } else
  #endif
  {
    __pyx_t_11 = PyTuple_New(2+__pyx_t_10); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 465, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_11);
    if (__pyx_t_9) {
      __Pyx_GIVEREF(__pyx_t_9); PyTuple_SET_ITEM(__pyx_t_11, 0, __pyx_t_9); __pyx_t_9 = NULL;
    }
    __Pyx_GIVEREF(__pyx_t_7);
    PyTuple_SET_ITEM(__pyx_t_11, 0+__pyx_t_10, __pyx_t_7);
    __Pyx_GIVEREF(__pyx_t_8);
    PyTuple_SET_ITEM(__pyx_t_11, 1+__pyx_t_10, __pyx_t_8);
    __pyx_t_7 = 0;
    __pyx_t_8 = 0;
    __pyx_t_5 = __Pyx_PyObject_Call(__pyx_t_6, __pyx_t_11, NULL); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 465, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_5);
    __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
  }
  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":465
 *         #    data[: data_size], dblabel))
 *         rc = lmdb.mdb_put(txn, self.get_dbi(dblabel), &key_v, &data_v, flags)
 *         _check(rc, 'Error putting data: {}, {}'.format(             # <<<<<<<<<<<<<<
 *                 key[: key_size], data[: data_size]))
 * 
 */
  if (!(likely(PyUnicode_CheckExact(__pyx_t_5))||((__pyx_t_5) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "unicode", Py_TYPE(__pyx_t_5)->tp_name), 0))) __PYX_ERR(0, 465, __pyx_L1_error)
  __pyx_t_12.__pyx_n = 1;
  __pyx_t_12.message = ((PyObject*)__pyx_t_5);
  __pyx_f_12lakesuperior_5store_15base_lmdb_store__check(__pyx_v_rc, &__pyx_t_12); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 465, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":447
 * 
 * 
 *     cdef void _put(             # <<<<<<<<<<<<<<
 *             self, unsigned char *key, size_t key_size, unsigned char *data,
 *             size_t data_size, unsigned char *dblabel='',
 */

  /* function exit code */
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_XDECREF(__pyx_t_8);
  __Pyx_XDECREF(__pyx_t_9);
  __Pyx_XDECREF(__pyx_t_11);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore._put", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_L0:;
  __Pyx_TraceReturn(Py_None, 0);
  __Pyx_RefNannyFinishContext();
}

/* "lakesuperior/store/base_lmdb_store.pyx":469
 * 
 * 
 *     cpdef bytes get_data(self, key, dblabel=''):             # <<<<<<<<<<<<<<
 *         """
 *         Get a single value (non-dup) for a key (Python-facing method).
 */

static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_26get_data(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyObject *__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_data(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v_key, int __pyx_skip_dispatch, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_data *__pyx_optional_args) {
  PyObject *__pyx_v_dblabel = ((PyObject *)__pyx_kp_u_);
  struct MDB_val __pyx_v_rv;
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  int __pyx_t_5;
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  PyObject *__pyx_t_8 = NULL;
  PyObject *__pyx_t_9 = NULL;
  unsigned char *__pyx_t_10;
  Py_ssize_t __pyx_t_11;
  unsigned char *__pyx_t_12;
  struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__get_data __pyx_t_13;
  __Pyx_RefNannySetupContext("get_data", 0);
  __Pyx_TraceCall("get_data", __pyx_f[0], 469, 0, __PYX_ERR(0, 469, __pyx_L1_error));
  if (__pyx_optional_args) {
    if (__pyx_optional_args->__pyx_n > 0) {
      __pyx_v_dblabel = __pyx_optional_args->dblabel;
    }
  }
  /* Check if called by wrapper */
  if (unlikely(__pyx_skip_dispatch)) ;
  /* Check if overridden in Python */
  else if (unlikely(Py_TYPE(((PyObject *)__pyx_v_self))->tp_dictoffset != 0)) {
    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_get_data); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 469, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    if (!PyCFunction_Check(__pyx_t_1) || (PyCFunction_GET_FUNCTION(__pyx_t_1) != (PyCFunction)__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_26get_data)) {
      __Pyx_XDECREF(__pyx_r);
      __Pyx_INCREF(__pyx_t_1);
      __pyx_t_3 = __pyx_t_1; __pyx_t_4 = NULL;
      __pyx_t_5 = 0;
      if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_3))) {
        __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_3);
        if (likely(__pyx_t_4)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
          __Pyx_INCREF(__pyx_t_4);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_3, function);
          __pyx_t_5 = 1;
        }
      }
      #if CYTHON_FAST_PYCALL
      if (PyFunction_Check(__pyx_t_3)) {
        PyObject *__pyx_temp[3] = {__pyx_t_4, __pyx_v_key, __pyx_v_dblabel};
        __pyx_t_2 = __Pyx_PyFunction_FastCall(__pyx_t_3, __pyx_temp+1-__pyx_t_5, 2+__pyx_t_5); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 469, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
        __Pyx_GOTREF(__pyx_t_2);
      } else
      #endif
      #if CYTHON_FAST_PYCCALL
      if (__Pyx_PyFastCFunction_Check(__pyx_t_3)) {
        PyObject *__pyx_temp[3] = {__pyx_t_4, __pyx_v_key, __pyx_v_dblabel};
        __pyx_t_2 = __Pyx_PyCFunction_FastCall(__pyx_t_3, __pyx_temp+1-__pyx_t_5, 2+__pyx_t_5); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 469, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
        __Pyx_GOTREF(__pyx_t_2);
      } else
      #endif
      {
        __pyx_t_6 = PyTuple_New(2+__pyx_t_5); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 469, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_6);
        if (__pyx_t_4) {
          __Pyx_GIVEREF(__pyx_t_4); PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_t_4); __pyx_t_4 = NULL;
        }
        __Pyx_INCREF(__pyx_v_key);
        __Pyx_GIVEREF(__pyx_v_key);
        PyTuple_SET_ITEM(__pyx_t_6, 0+__pyx_t_5, __pyx_v_key);
        __Pyx_INCREF(__pyx_v_dblabel);
        __Pyx_GIVEREF(__pyx_v_dblabel);
        PyTuple_SET_ITEM(__pyx_t_6, 1+__pyx_t_5, __pyx_v_dblabel);
        __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_6, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 469, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_2);
        __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
      }
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      if (!(likely(PyBytes_CheckExact(__pyx_t_2))||((__pyx_t_2) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "bytes", Py_TYPE(__pyx_t_2)->tp_name), 0))) __PYX_ERR(0, 469, __pyx_L1_error)
      __pyx_r = ((PyObject*)__pyx_t_2);
      __pyx_t_2 = 0;
      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
      goto __pyx_L0;
    }
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":474
 *         """
 *         cdef lmdb.MDB_val rv
 *         try:             # <<<<<<<<<<<<<<
 *             self._get_data(key, len(key), &rv, dblabel=dblabel.encode())
 * 
 */
  {
    __Pyx_PyThreadState_declare
    __Pyx_PyThreadState_assign
    __Pyx_ExceptionSave(&__pyx_t_7, &__pyx_t_8, &__pyx_t_9);
    __Pyx_XGOTREF(__pyx_t_7);
    __Pyx_XGOTREF(__pyx_t_8);
    __Pyx_XGOTREF(__pyx_t_9);
    /*try:*/ {

      /* "lakesuperior/store/base_lmdb_store.pyx":475
 *         cdef lmdb.MDB_val rv
 *         try:
 *             self._get_data(key, len(key), &rv, dblabel=dblabel.encode())             # <<<<<<<<<<<<<<
 * 
 *             return (<unsigned char *>rv.mv_data)[: rv.mv_size]
 */
      __pyx_t_10 = __Pyx_PyObject_AsWritableUString(__pyx_v_key); if (unlikely((!__pyx_t_10) && PyErr_Occurred())) __PYX_ERR(0, 475, __pyx_L3_error)
      __pyx_t_11 = PyObject_Length(__pyx_v_key); if (unlikely(__pyx_t_11 == ((Py_ssize_t)-1))) __PYX_ERR(0, 475, __pyx_L3_error)
      __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_v_dblabel, __pyx_n_s_encode); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 475, __pyx_L3_error)
      __Pyx_GOTREF(__pyx_t_2);
      __pyx_t_3 = NULL;
      if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_2))) {
        __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_2);
        if (likely(__pyx_t_3)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_2);
          __Pyx_INCREF(__pyx_t_3);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_2, function);
        }
      }
      if (__pyx_t_3) {
        __pyx_t_1 = __Pyx_PyObject_CallOneArg(__pyx_t_2, __pyx_t_3); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 475, __pyx_L3_error)
        __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      } else {
        __pyx_t_1 = __Pyx_PyObject_CallNoArg(__pyx_t_2); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 475, __pyx_L3_error)
      }
      __Pyx_GOTREF(__pyx_t_1);
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
      __pyx_t_12 = __Pyx_PyObject_AsWritableUString(__pyx_t_1); if (unlikely((!__pyx_t_12) && PyErr_Occurred())) __PYX_ERR(0, 475, __pyx_L3_error)
      __pyx_t_13.__pyx_n = 1;
      __pyx_t_13.dblabel = __pyx_t_12;
      ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self->__pyx_vtab)->_get_data(__pyx_v_self, __pyx_t_10, __pyx_t_11, (&__pyx_v_rv), &__pyx_t_13); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 475, __pyx_L3_error)
      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

      /* "lakesuperior/store/base_lmdb_store.pyx":477
 *             self._get_data(key, len(key), &rv, dblabel=dblabel.encode())
 * 
 *             return (<unsigned char *>rv.mv_data)[: rv.mv_size]             # <<<<<<<<<<<<<<
 *         except KeyNotFoundError:
 *             return None
 */
      __Pyx_XDECREF(__pyx_r);
      __pyx_t_1 = __Pyx_PyBytes_FromStringAndSize(((const char*)((unsigned char *)__pyx_v_rv.mv_data)) + 0, __pyx_v_rv.mv_size - 0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 477, __pyx_L3_error)
      __Pyx_GOTREF(__pyx_t_1);
      __pyx_r = ((PyObject*)__pyx_t_1);
      __pyx_t_1 = 0;
      goto __pyx_L7_try_return;

      /* "lakesuperior/store/base_lmdb_store.pyx":474
 *         """
 *         cdef lmdb.MDB_val rv
 *         try:             # <<<<<<<<<<<<<<
 *             self._get_data(key, len(key), &rv, dblabel=dblabel.encode())
 * 
 */
    }
    __pyx_L3_error:;
    __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
    __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
    __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
    __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
    __Pyx_XDECREF(__pyx_t_1); __pyx_t_1 = 0;

    /* "lakesuperior/store/base_lmdb_store.pyx":478
 * 
 *             return (<unsigned char *>rv.mv_data)[: rv.mv_size]
 *         except KeyNotFoundError:             # <<<<<<<<<<<<<<
 *             return None
 * 
 */
    __Pyx_ErrFetch(&__pyx_t_1, &__pyx_t_2, &__pyx_t_3);
    __pyx_t_6 = __Pyx_GetModuleGlobalName(__pyx_n_s_KeyNotFoundError); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 478, __pyx_L5_except_error)
    __Pyx_GOTREF(__pyx_t_6);
    __pyx_t_5 = __Pyx_PyErr_GivenExceptionMatches(__pyx_t_1, __pyx_t_6);
    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    __Pyx_ErrRestore(__pyx_t_1, __pyx_t_2, __pyx_t_3);
    __pyx_t_1 = 0; __pyx_t_2 = 0; __pyx_t_3 = 0;
    if (__pyx_t_5) {
      __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.get_data", __pyx_clineno, __pyx_lineno, __pyx_filename);
      if (__Pyx_GetException(&__pyx_t_3, &__pyx_t_2, &__pyx_t_1) < 0) __PYX_ERR(0, 478, __pyx_L5_except_error)
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_GOTREF(__pyx_t_2);
      __Pyx_GOTREF(__pyx_t_1);

      /* "lakesuperior/store/base_lmdb_store.pyx":479
 *             return (<unsigned char *>rv.mv_data)[: rv.mv_size]
 *         except KeyNotFoundError:
 *             return None             # <<<<<<<<<<<<<<
 * 
 * 
 */
      __Pyx_XDECREF(__pyx_r);
      __pyx_r = ((PyObject*)Py_None); __Pyx_INCREF(Py_None);
      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      goto __pyx_L6_except_return;
    }
    goto __pyx_L5_except_error;
    __pyx_L5_except_error:;

    /* "lakesuperior/store/base_lmdb_store.pyx":474
 *         """
 *         cdef lmdb.MDB_val rv
 *         try:             # <<<<<<<<<<<<<<
 *             self._get_data(key, len(key), &rv, dblabel=dblabel.encode())
 * 
 */
    __Pyx_XGIVEREF(__pyx_t_7);
    __Pyx_XGIVEREF(__pyx_t_8);
    __Pyx_XGIVEREF(__pyx_t_9);
    __Pyx_ExceptionReset(__pyx_t_7, __pyx_t_8, __pyx_t_9);
    goto __pyx_L1_error;
    __pyx_L7_try_return:;
    __Pyx_XGIVEREF(__pyx_t_7);
    __Pyx_XGIVEREF(__pyx_t_8);
    __Pyx_XGIVEREF(__pyx_t_9);
    __Pyx_ExceptionReset(__pyx_t_7, __pyx_t_8, __pyx_t_9);
    goto __pyx_L0;
    __pyx_L6_except_return:;
    __Pyx_XGIVEREF(__pyx_t_7);
    __Pyx_XGIVEREF(__pyx_t_8);
    __Pyx_XGIVEREF(__pyx_t_9);
    __Pyx_ExceptionReset(__pyx_t_7, __pyx_t_8, __pyx_t_9);
    goto __pyx_L0;
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":469
 * 
 * 
 *     cpdef bytes get_data(self, key, dblabel=''):             # <<<<<<<<<<<<<<
 *         """
 *         Get a single value (non-dup) for a key (Python-facing method).
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.get_data", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = 0;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* Python wrapper */
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_26get_data(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static char __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_25get_data[] = "\n        Get a single value (non-dup) for a key (Python-facing method).\n        ";
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_26get_data(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_key = 0;
  PyObject *__pyx_v_dblabel = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("get_data (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_key,&__pyx_n_s_dblabel,0};
    PyObject* values[2] = {0,0};
    values[1] = ((PyObject *)__pyx_kp_u_);
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_key)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_dblabel);
          if (value) { values[1] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "get_data") < 0)) __PYX_ERR(0, 469, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_key = values[0];
    __pyx_v_dblabel = values[1];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("get_data", 0, 1, 2, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 469, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.get_data", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_25get_data(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self), __pyx_v_key, __pyx_v_dblabel);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_25get_data(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v_key, PyObject *__pyx_v_dblabel) {
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_data __pyx_t_2;
  __Pyx_RefNannySetupContext("get_data", 0);
  __Pyx_TraceCall("get_data (wrapper)", __pyx_f[0], 469, 0, __PYX_ERR(0, 469, __pyx_L1_error));
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_2.__pyx_n = 1;
  __pyx_t_2.dblabel = __pyx_v_dblabel;
  __pyx_t_1 = __pyx_vtabptr_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore->get_data(__pyx_v_self, __pyx_v_key, 1, &__pyx_t_2); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 469, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.get_data", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pyx":482
 * 
 * 
 *     cdef void _get_data(             # <<<<<<<<<<<<<<
 *             self, unsigned char *key, size_t klen, lmdb.MDB_val *rv,
 *             unsigned char *dblabel='') except *:
 */

static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__get_data(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, unsigned char *__pyx_v_key, CYTHON_UNUSED size_t __pyx_v_klen, struct MDB_val *__pyx_v_rv, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__get_data *__pyx_optional_args) {
  unsigned char *__pyx_v_dblabel = __pyx_k__16;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  size_t __pyx_t_1;
  MDB_dbi __pyx_t_2;
  struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_dbi __pyx_t_3;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  PyObject *__pyx_t_8 = NULL;
  struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store__check __pyx_t_9;
  __Pyx_RefNannySetupContext("_get_data", 0);
  __Pyx_TraceCall("_get_data", __pyx_f[0], 482, 0, __PYX_ERR(0, 482, __pyx_L1_error));
  if (__pyx_optional_args) {
    if (__pyx_optional_args->__pyx_n > 0) {
      __pyx_v_dblabel = __pyx_optional_args->dblabel;
    }
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":491
 *             unsigned char *ret
 * 
 *         key_v.mv_data = key             # <<<<<<<<<<<<<<
 *         key_v.mv_size = len(key)
 * 
 */
  __pyx_v_12lakesuperior_5store_15base_lmdb_store_key_v.mv_data = __pyx_v_key;

  /* "lakesuperior/store/base_lmdb_store.pyx":492
 * 
 *         key_v.mv_data = key
 *         key_v.mv_size = len(key)             # <<<<<<<<<<<<<<
 * 
 *         _check(
 */
  __pyx_t_1 = strlen(((char const *)__pyx_v_key)); 
  __pyx_v_12lakesuperior_5store_15base_lmdb_store_key_v.mv_size = __pyx_t_1;

  /* "lakesuperior/store/base_lmdb_store.pyx":495
 * 
 *         _check(
 *             lmdb.mdb_get(self.txn, self.get_dbi(dblabel), &key_v, rv),             # <<<<<<<<<<<<<<
 *             'Error getting data for key \'{}\'.'.format(key.decode()))
 * 
 */
  __pyx_t_3.__pyx_n = 1;
  __pyx_t_3.dblabel = __pyx_v_dblabel;
  __pyx_t_2 = ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self->__pyx_vtab)->get_dbi(__pyx_v_self, &__pyx_t_3); 

  /* "lakesuperior/store/base_lmdb_store.pyx":496
 *         _check(
 *             lmdb.mdb_get(self.txn, self.get_dbi(dblabel), &key_v, rv),
 *             'Error getting data for key \'{}\'.'.format(key.decode()))             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_kp_u_Error_getting_data_for_key, __pyx_n_s_format); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 496, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_5);
  __pyx_t_6 = __Pyx_decode_c_string(((char const *)__pyx_v_key), 0, strlen(((char const *)__pyx_v_key)), NULL, NULL, NULL); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 496, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_6);
  __pyx_t_7 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_5))) {
    __pyx_t_7 = PyMethod_GET_SELF(__pyx_t_5);
    if (likely(__pyx_t_7)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
      __Pyx_INCREF(__pyx_t_7);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_5, function);
    }
  }
  if (!__pyx_t_7) {
    __pyx_t_4 = __Pyx_PyObject_CallOneArg(__pyx_t_5, __pyx_t_6); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 496, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    __Pyx_GOTREF(__pyx_t_4);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_5)) {
      PyObject *__pyx_temp[2] = {__pyx_t_7, __pyx_t_6};
      __pyx_t_4 = __Pyx_PyFunction_FastCall(__pyx_t_5, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 496, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_5)) {
      PyObject *__pyx_temp[2] = {__pyx_t_7, __pyx_t_6};
      __pyx_t_4 = __Pyx_PyCFunction_FastCall(__pyx_t_5, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 496, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    } else
    #endif
    {
      __pyx_t_8 = PyTuple_New(1+1); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 496, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_8);
      __Pyx_GIVEREF(__pyx_t_7); PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_t_7); __pyx_t_7 = NULL;
      __Pyx_GIVEREF(__pyx_t_6);
      PyTuple_SET_ITEM(__pyx_t_8, 0+1, __pyx_t_6);
      __pyx_t_6 = 0;
      __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_5, __pyx_t_8, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 496, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
  if (!(likely(PyUnicode_CheckExact(__pyx_t_4))||((__pyx_t_4) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "unicode", Py_TYPE(__pyx_t_4)->tp_name), 0))) __PYX_ERR(0, 496, __pyx_L1_error)

  /* "lakesuperior/store/base_lmdb_store.pyx":494
 *         key_v.mv_size = len(key)
 * 
 *         _check(             # <<<<<<<<<<<<<<
 *             lmdb.mdb_get(self.txn, self.get_dbi(dblabel), &key_v, rv),
 *             'Error getting data for key \'{}\'.'.format(key.decode()))
 */
  __pyx_t_9.__pyx_n = 1;
  __pyx_t_9.message = ((PyObject*)__pyx_t_4);
  __pyx_f_12lakesuperior_5store_15base_lmdb_store__check(mdb_get(__pyx_v_self->txn, __pyx_t_2, (&__pyx_v_12lakesuperior_5store_15base_lmdb_store_key_v), __pyx_v_rv), &__pyx_t_9); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 494, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":482
 * 
 * 
 *     cdef void _get_data(             # <<<<<<<<<<<<<<
 *             self, unsigned char *key, size_t klen, lmdb.MDB_val *rv,
 *             unsigned char *dblabel='') except *:
 */

  /* function exit code */
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_XDECREF(__pyx_t_8);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore._get_data", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_L0:;
  __Pyx_TraceReturn(Py_None, 0);
  __Pyx_RefNannyFinishContext();
}

/* "lakesuperior/store/base_lmdb_store.pyx":499
 * 
 * 
 *     def delete(self, key, dblabel=''):             # <<<<<<<<<<<<<<
 *         """
 *         Delete one single value by key. Python-facing method.
 */

/* Python wrapper */
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_28delete(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static char __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_27delete[] = "\n        Delete one single value by key. Python-facing method.\n        ";
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_28delete(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
  PyObject *__pyx_v_key = 0;
  PyObject *__pyx_v_dblabel = 0;
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("delete (wrapper)", 0);
  {
    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_key,&__pyx_n_s_dblabel,0};
    PyObject* values[2] = {0,0};
    values[1] = ((PyObject *)__pyx_kp_u_);
    if (unlikely(__pyx_kwds)) {
      Py_ssize_t kw_args;
      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
      switch (pos_args) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        CYTHON_FALLTHROUGH;
        case  0: break;
        default: goto __pyx_L5_argtuple_error;
      }
      kw_args = PyDict_Size(__pyx_kwds);
      switch (pos_args) {
        case  0:
        if (likely((values[0] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_key)) != 0)) kw_args--;
        else goto __pyx_L5_argtuple_error;
        CYTHON_FALLTHROUGH;
        case  1:
        if (kw_args > 0) {
          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_dblabel);
          if (value) { values[1] = value; kw_args--; }
        }
      }
      if (unlikely(kw_args > 0)) {
        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "delete") < 0)) __PYX_ERR(0, 499, __pyx_L3_error)
      }
    } else {
      switch (PyTuple_GET_SIZE(__pyx_args)) {
        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
        CYTHON_FALLTHROUGH;
        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
        break;
        default: goto __pyx_L5_argtuple_error;
      }
    }
    __pyx_v_key = values[0];
    __pyx_v_dblabel = values[1];
  }
  goto __pyx_L4_argument_unpacking_done;
  __pyx_L5_argtuple_error:;
  __Pyx_RaiseArgtupleInvalid("delete", 0, 1, 2, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 499, __pyx_L3_error)
  __pyx_L3_error:;
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.delete", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __Pyx_RefNannyFinishContext();
  return NULL;
  __pyx_L4_argument_unpacking_done:;
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_27delete(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self), __pyx_v_key, __pyx_v_dblabel);

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_27delete(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v_key, PyObject *__pyx_v_dblabel) {
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  unsigned char *__pyx_t_1;
  Py_ssize_t __pyx_t_2;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  unsigned char *__pyx_t_6;
  struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__delete __pyx_t_7;
  __Pyx_RefNannySetupContext("delete", 0);
  __Pyx_TraceCall("delete", __pyx_f[0], 499, 0, __PYX_ERR(0, 499, __pyx_L1_error));

  /* "lakesuperior/store/base_lmdb_store.pyx":503
 *         Delete one single value by key. Python-facing method.
 *         """
 *         self._delete(key, len(key), dblabel.encode())             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_t_1 = __Pyx_PyObject_AsWritableUString(__pyx_v_key); if (unlikely((!__pyx_t_1) && PyErr_Occurred())) __PYX_ERR(0, 503, __pyx_L1_error)
  __pyx_t_2 = PyObject_Length(__pyx_v_key); if (unlikely(__pyx_t_2 == ((Py_ssize_t)-1))) __PYX_ERR(0, 503, __pyx_L1_error)
  __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_v_dblabel, __pyx_n_s_encode); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 503, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  __pyx_t_5 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_4))) {
    __pyx_t_5 = PyMethod_GET_SELF(__pyx_t_4);
    if (likely(__pyx_t_5)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_4);
      __Pyx_INCREF(__pyx_t_5);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_4, function);
    }
  }
  if (__pyx_t_5) {
    __pyx_t_3 = __Pyx_PyObject_CallOneArg(__pyx_t_4, __pyx_t_5); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 503, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
  } else {
    __pyx_t_3 = __Pyx_PyObject_CallNoArg(__pyx_t_4); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 503, __pyx_L1_error)
  }
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  __pyx_t_6 = __Pyx_PyObject_AsWritableUString(__pyx_t_3); if (unlikely((!__pyx_t_6) && PyErr_Occurred())) __PYX_ERR(0, 503, __pyx_L1_error)
  __pyx_t_7.__pyx_n = 1;
  __pyx_t_7.dblabel = __pyx_t_6;
  ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self->__pyx_vtab)->_delete(__pyx_v_self, __pyx_t_1, __pyx_t_2, &__pyx_t_7); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 503, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":499
 * 
 * 
 *     def delete(self, key, dblabel=''):             # <<<<<<<<<<<<<<
 *         """
 *         Delete one single value by key. Python-facing method.
 */

  /* function exit code */
  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.delete", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pyx":506
 * 
 * 
 *     cdef void _delete(             # <<<<<<<<<<<<<<
 *             self, unsigned char *key, size_t klen,
 *             unsigned char *dblabel=b'') except *:
 */

static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__delete(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, unsigned char *__pyx_v_key, size_t __pyx_v_klen, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__delete *__pyx_optional_args) {
  unsigned char *__pyx_v_dblabel = __pyx_k__17;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  MDB_dbi __pyx_t_4;
  struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_dbi __pyx_t_5;
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  PyObject *__pyx_t_8 = NULL;
  PyObject *__pyx_t_9 = NULL;
  int __pyx_t_10;
  __Pyx_RefNannySetupContext("_delete", 0);
  __Pyx_TraceCall("_delete", __pyx_f[0], 506, 0, __PYX_ERR(0, 506, __pyx_L1_error));
  if (__pyx_optional_args) {
    if (__pyx_optional_args->__pyx_n > 0) {
      __pyx_v_dblabel = __pyx_optional_args->dblabel;
    }
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":514
 *         TODO Allow deleting duplicate keys.
 *         """
 *         key_v.mv_data = key             # <<<<<<<<<<<<<<
 *         key_v.mv_size = klen
 *         try:
 */
  __pyx_v_12lakesuperior_5store_15base_lmdb_store_key_v.mv_data = __pyx_v_key;

  /* "lakesuperior/store/base_lmdb_store.pyx":515
 *         """
 *         key_v.mv_data = key
 *         key_v.mv_size = klen             # <<<<<<<<<<<<<<
 *         try:
 *             _check(lmdb.mdb_del(self.txn, self.get_dbi(dblabel), &key_v, NULL))
 */
  __pyx_v_12lakesuperior_5store_15base_lmdb_store_key_v.mv_size = __pyx_v_klen;

  /* "lakesuperior/store/base_lmdb_store.pyx":516
 *         key_v.mv_data = key
 *         key_v.mv_size = klen
 *         try:             # <<<<<<<<<<<<<<
 *             _check(lmdb.mdb_del(self.txn, self.get_dbi(dblabel), &key_v, NULL))
 *         except KeyNotFoundError:
 */
  {
    __Pyx_PyThreadState_declare
    __Pyx_PyThreadState_assign
    __Pyx_ExceptionSave(&__pyx_t_1, &__pyx_t_2, &__pyx_t_3);
    __Pyx_XGOTREF(__pyx_t_1);
    __Pyx_XGOTREF(__pyx_t_2);
    __Pyx_XGOTREF(__pyx_t_3);
    /*try:*/ {

      /* "lakesuperior/store/base_lmdb_store.pyx":517
 *         key_v.mv_size = klen
 *         try:
 *             _check(lmdb.mdb_del(self.txn, self.get_dbi(dblabel), &key_v, NULL))             # <<<<<<<<<<<<<<
 *         except KeyNotFoundError:
 *             pass
 */
      __pyx_t_5.__pyx_n = 1;
      __pyx_t_5.dblabel = __pyx_v_dblabel;
      __pyx_t_4 = ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self->__pyx_vtab)->get_dbi(__pyx_v_self, &__pyx_t_5); 
      __pyx_f_12lakesuperior_5store_15base_lmdb_store__check(mdb_del(__pyx_v_self->txn, __pyx_t_4, (&__pyx_v_12lakesuperior_5store_15base_lmdb_store_key_v), NULL), NULL); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 517, __pyx_L3_error)

      /* "lakesuperior/store/base_lmdb_store.pyx":516
 *         key_v.mv_data = key
 *         key_v.mv_size = klen
 *         try:             # <<<<<<<<<<<<<<
 *             _check(lmdb.mdb_del(self.txn, self.get_dbi(dblabel), &key_v, NULL))
 *         except KeyNotFoundError:
 */
    }
    __Pyx_XDECREF(__pyx_t_1); __pyx_t_1 = 0;
    __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
    __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
    goto __pyx_L8_try_end;
    __pyx_L3_error:;

    /* "lakesuperior/store/base_lmdb_store.pyx":518
 *         try:
 *             _check(lmdb.mdb_del(self.txn, self.get_dbi(dblabel), &key_v, NULL))
 *         except KeyNotFoundError:             # <<<<<<<<<<<<<<
 *             pass
 * 
 */
    __Pyx_ErrFetch(&__pyx_t_6, &__pyx_t_7, &__pyx_t_8);
    __pyx_t_9 = __Pyx_GetModuleGlobalName(__pyx_n_s_KeyNotFoundError); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 518, __pyx_L5_except_error)
    __Pyx_GOTREF(__pyx_t_9);
    __pyx_t_10 = __Pyx_PyErr_GivenExceptionMatches(__pyx_t_6, __pyx_t_9);
    __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
    __Pyx_ErrRestore(__pyx_t_6, __pyx_t_7, __pyx_t_8);
    __pyx_t_6 = 0; __pyx_t_7 = 0; __pyx_t_8 = 0;
    if (__pyx_t_10) {
      __Pyx_ErrRestore(0,0,0);
      goto __pyx_L4_exception_handled;
    }
    goto __pyx_L5_except_error;
    __pyx_L5_except_error:;

    /* "lakesuperior/store/base_lmdb_store.pyx":516
 *         key_v.mv_data = key
 *         key_v.mv_size = klen
 *         try:             # <<<<<<<<<<<<<<
 *             _check(lmdb.mdb_del(self.txn, self.get_dbi(dblabel), &key_v, NULL))
 *         except KeyNotFoundError:
 */
    __Pyx_XGIVEREF(__pyx_t_1);
    __Pyx_XGIVEREF(__pyx_t_2);
    __Pyx_XGIVEREF(__pyx_t_3);
    __Pyx_ExceptionReset(__pyx_t_1, __pyx_t_2, __pyx_t_3);
    goto __pyx_L1_error;
    __pyx_L4_exception_handled:;
    __Pyx_XGIVEREF(__pyx_t_1);
    __Pyx_XGIVEREF(__pyx_t_2);
    __Pyx_XGIVEREF(__pyx_t_3);
    __Pyx_ExceptionReset(__pyx_t_1, __pyx_t_2, __pyx_t_3);
    __pyx_L8_try_end:;
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":506
 * 
 * 
 *     cdef void _delete(             # <<<<<<<<<<<<<<
 *             self, unsigned char *key, size_t klen,
 *             unsigned char *dblabel=b'') except *:
 */

  /* function exit code */
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_XDECREF(__pyx_t_8);
  __Pyx_XDECREF(__pyx_t_9);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore._delete", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_L0:;
  __Pyx_TraceReturn(Py_None, 0);
  __Pyx_RefNannyFinishContext();
}

/* "lakesuperior/store/base_lmdb_store.pyx":522
 * 
 * 
 *     cpdef dict stats(self):             # <<<<<<<<<<<<<<
 *         """Gather statistics about the database."""
 *         return self._stats()
 */

static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_30stats(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused); /*proto*/
static PyObject *__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_stats(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, int __pyx_skip_dispatch) {
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  __Pyx_RefNannySetupContext("stats", 0);
  __Pyx_TraceCall("stats", __pyx_f[0], 522, 0, __PYX_ERR(0, 522, __pyx_L1_error));
  /* Check if called by wrapper */
  if (unlikely(__pyx_skip_dispatch)) ;
  /* Check if overridden in Python */
  else if (unlikely(Py_TYPE(((PyObject *)__pyx_v_self))->tp_dictoffset != 0)) {
    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_stats); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 522, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    if (!PyCFunction_Check(__pyx_t_1) || (PyCFunction_GET_FUNCTION(__pyx_t_1) != (PyCFunction)__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_30stats)) {
      __Pyx_XDECREF(__pyx_r);
      __Pyx_INCREF(__pyx_t_1);
      __pyx_t_3 = __pyx_t_1; __pyx_t_4 = NULL;
      if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_3))) {
        __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_3);
        if (likely(__pyx_t_4)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
          __Pyx_INCREF(__pyx_t_4);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_3, function);
        }
      }
      if (__pyx_t_4) {
        __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_4); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 522, __pyx_L1_error)
        __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      } else {
        __pyx_t_2 = __Pyx_PyObject_CallNoArg(__pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 522, __pyx_L1_error)
      }
      __Pyx_GOTREF(__pyx_t_2);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      if (!(likely(PyDict_CheckExact(__pyx_t_2))||((__pyx_t_2) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "dict", Py_TYPE(__pyx_t_2)->tp_name), 0))) __PYX_ERR(0, 522, __pyx_L1_error)
      __pyx_r = ((PyObject*)__pyx_t_2);
      __pyx_t_2 = 0;
      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
      goto __pyx_L0;
    }
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":524
 *     cpdef dict stats(self):
 *         """Gather statistics about the database."""
 *         return self._stats()             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self->__pyx_vtab)->_stats(__pyx_v_self); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 524, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_r = ((PyObject*)__pyx_t_1);
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* "lakesuperior/store/base_lmdb_store.pyx":522
 * 
 * 
 *     cpdef dict stats(self):             # <<<<<<<<<<<<<<
 *         """Gather statistics about the database."""
 *         return self._stats()
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.stats", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = 0;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* Python wrapper */
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_30stats(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused); /*proto*/
static char __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_29stats[] = "Gather statistics about the database.";
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_30stats(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("stats (wrapper)", 0);
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_29stats(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_29stats(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  __Pyx_RefNannySetupContext("stats", 0);
  __Pyx_TraceCall("stats (wrapper)", __pyx_f[0], 522, 0, __PYX_ERR(0, 522, __pyx_L1_error));
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_stats(__pyx_v_self, 1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 522, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.stats", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pyx":527
 * 
 * 
 *     cdef dict _stats(self):             # <<<<<<<<<<<<<<
 *         """
 *         Gather statistics about the database.
 */

static PyObject *__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__stats(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self) {
  struct MDB_stat __pyx_v_stat;
  CYTHON_UNUSED size_t __pyx_v_entries;
  PyObject *__pyx_v_env_stats = NULL;
  PyObject *__pyx_v_db_stats = NULL;
  PyObject *__pyx_v_i = NULL;
  PyObject *__pyx_v_dblabel = NULL;
  PyObject *__pyx_7genexpr__pyx_v_db_label = NULL;
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  Py_ssize_t __pyx_t_4;
  PyObject *(*__pyx_t_5)(PyObject *);
  Py_ssize_t __pyx_t_6;
  struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store__check __pyx_t_7;
  size_t __pyx_t_8;
  PyObject *__pyx_t_9 = NULL;
  PyObject *__pyx_t_10 = NULL;
  PyObject *__pyx_t_11 = NULL;
  __Pyx_RefNannySetupContext("_stats", 0);
  __Pyx_TraceCall("_stats", __pyx_f[0], 527, 0, __PYX_ERR(0, 527, __pyx_L1_error));

  /* "lakesuperior/store/base_lmdb_store.pyx":537
 *             size_t entries
 * 
 *         lmdb.mdb_env_stat(self.dbenv, &stat)             # <<<<<<<<<<<<<<
 *         env_stats = <dict>stat
 * 
 */
  (void)(mdb_env_stat(__pyx_v_self->dbenv, (&__pyx_v_stat)));

  /* "lakesuperior/store/base_lmdb_store.pyx":538
 * 
 *         lmdb.mdb_env_stat(self.dbenv, &stat)
 *         env_stats = <dict>stat             # <<<<<<<<<<<<<<
 * 
 *         db_stats = {}
 */
  __pyx_t_1 = __pyx_convert__to_py_struct__MDB_stat(__pyx_v_stat); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 538, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  if (!(likely(PyDict_CheckExact(__pyx_t_1))||(PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "dict", Py_TYPE(__pyx_t_1)->tp_name), 0))) __PYX_ERR(0, 538, __pyx_L1_error)
  __pyx_t_2 = __pyx_t_1;
  __Pyx_INCREF(__pyx_t_2);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_v_env_stats = ((PyObject*)__pyx_t_2);
  __pyx_t_2 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":540
 *         env_stats = <dict>stat
 * 
 *         db_stats = {}             # <<<<<<<<<<<<<<
 *         for i, dblabel in enumerate(self.dbi_labels):
 *             _check(
 */
  __pyx_t_2 = __Pyx_PyDict_NewPresized(0); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 540, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_v_db_stats = ((PyObject*)__pyx_t_2);
  __pyx_t_2 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":541
 * 
 *         db_stats = {}
 *         for i, dblabel in enumerate(self.dbi_labels):             # <<<<<<<<<<<<<<
 *             _check(
 *                 lmdb.mdb_stat(self.txn, self.dbis[i], &stat),
 */
  __Pyx_INCREF(__pyx_int_0);
  __pyx_t_2 = __pyx_int_0;
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_dbi_labels); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 541, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  if (likely(PyList_CheckExact(__pyx_t_1)) || PyTuple_CheckExact(__pyx_t_1)) {
    __pyx_t_3 = __pyx_t_1; __Pyx_INCREF(__pyx_t_3); __pyx_t_4 = 0;
    __pyx_t_5 = NULL;
  } else {
    __pyx_t_4 = -1; __pyx_t_3 = PyObject_GetIter(__pyx_t_1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 541, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __pyx_t_5 = Py_TYPE(__pyx_t_3)->tp_iternext; if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 541, __pyx_L1_error)
  }
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  for (;;) {
    if (likely(!__pyx_t_5)) {
      if (likely(PyList_CheckExact(__pyx_t_3))) {
        if (__pyx_t_4 >= PyList_GET_SIZE(__pyx_t_3)) break;
        #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
        __pyx_t_1 = PyList_GET_ITEM(__pyx_t_3, __pyx_t_4); __Pyx_INCREF(__pyx_t_1); __pyx_t_4++; if (unlikely(0 < 0)) __PYX_ERR(0, 541, __pyx_L1_error)
        #else
        __pyx_t_1 = PySequence_ITEM(__pyx_t_3, __pyx_t_4); __pyx_t_4++; if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 541, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_1);
        #endif
      } else {
        if (__pyx_t_4 >= PyTuple_GET_SIZE(__pyx_t_3)) break;
        #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
        __pyx_t_1 = PyTuple_GET_ITEM(__pyx_t_3, __pyx_t_4); __Pyx_INCREF(__pyx_t_1); __pyx_t_4++; if (unlikely(0 < 0)) __PYX_ERR(0, 541, __pyx_L1_error)
        #else
        __pyx_t_1 = PySequence_ITEM(__pyx_t_3, __pyx_t_4); __pyx_t_4++; if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 541, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_1);
        #endif
      }
    } else {
      __pyx_t_1 = __pyx_t_5(__pyx_t_3);
      if (unlikely(!__pyx_t_1)) {
        PyObject* exc_type = PyErr_Occurred();
        if (exc_type) {
          if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
          else __PYX_ERR(0, 541, __pyx_L1_error)
        }
        break;
      }
      __Pyx_GOTREF(__pyx_t_1);
    }
    __Pyx_XDECREF_SET(__pyx_v_dblabel, __pyx_t_1);
    __pyx_t_1 = 0;
    __Pyx_INCREF(__pyx_t_2);
    __Pyx_XDECREF_SET(__pyx_v_i, __pyx_t_2);
    __pyx_t_1 = __Pyx_PyInt_AddObjC(__pyx_t_2, __pyx_int_1, 1, 0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 541, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_2);
    __pyx_t_2 = __pyx_t_1;
    __pyx_t_1 = 0;

    /* "lakesuperior/store/base_lmdb_store.pyx":543
 *         for i, dblabel in enumerate(self.dbi_labels):
 *             _check(
 *                 lmdb.mdb_stat(self.txn, self.dbis[i], &stat),             # <<<<<<<<<<<<<<
 *                 'Error getting datbase stats: {}')
 *             entries = stat.ms_entries
 */
    __pyx_t_6 = __Pyx_PyIndex_AsSsize_t(__pyx_v_i); if (unlikely((__pyx_t_6 == (Py_ssize_t)-1) && PyErr_Occurred())) __PYX_ERR(0, 543, __pyx_L1_error)

    /* "lakesuperior/store/base_lmdb_store.pyx":542
 *         db_stats = {}
 *         for i, dblabel in enumerate(self.dbi_labels):
 *             _check(             # <<<<<<<<<<<<<<
 *                 lmdb.mdb_stat(self.txn, self.dbis[i], &stat),
 *                 'Error getting datbase stats: {}')
 */
    __pyx_t_7.__pyx_n = 1;
    __pyx_t_7.message = __pyx_kp_u_Error_getting_datbase_stats;
    __pyx_f_12lakesuperior_5store_15base_lmdb_store__check(mdb_stat(__pyx_v_self->txn, (__pyx_v_self->dbis[__pyx_t_6]), (&__pyx_v_stat)), &__pyx_t_7); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 542, __pyx_L1_error)

    /* "lakesuperior/store/base_lmdb_store.pyx":545
 *                 lmdb.mdb_stat(self.txn, self.dbis[i], &stat),
 *                 'Error getting datbase stats: {}')
 *             entries = stat.ms_entries             # <<<<<<<<<<<<<<
 *             db_stats[dblabel.encode()] = <dict>stat
 * 
 */
    __pyx_t_8 = __pyx_v_stat.ms_entries;
    __pyx_v_entries = __pyx_t_8;

    /* "lakesuperior/store/base_lmdb_store.pyx":546
 *                 'Error getting datbase stats: {}')
 *             entries = stat.ms_entries
 *             db_stats[dblabel.encode()] = <dict>stat             # <<<<<<<<<<<<<<
 * 
 *         return {
 */
    __pyx_t_1 = __pyx_convert__to_py_struct__MDB_stat(__pyx_v_stat); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 546, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    if (!(likely(PyDict_CheckExact(__pyx_t_1))||(PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "dict", Py_TYPE(__pyx_t_1)->tp_name), 0))) __PYX_ERR(0, 546, __pyx_L1_error)
    __pyx_t_9 = __pyx_t_1;
    __Pyx_INCREF(__pyx_t_9);
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __pyx_t_10 = __Pyx_PyObject_GetAttrStr(__pyx_v_dblabel, __pyx_n_s_encode); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 546, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_10);
    __pyx_t_11 = NULL;
    if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_10))) {
      __pyx_t_11 = PyMethod_GET_SELF(__pyx_t_10);
      if (likely(__pyx_t_11)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_10);
        __Pyx_INCREF(__pyx_t_11);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_10, function);
      }
    }
    if (__pyx_t_11) {
      __pyx_t_1 = __Pyx_PyObject_CallOneArg(__pyx_t_10, __pyx_t_11); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 546, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
    } else {
      __pyx_t_1 = __Pyx_PyObject_CallNoArg(__pyx_t_10); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 546, __pyx_L1_error)
    }
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
    if (unlikely(PyDict_SetItem(__pyx_v_db_stats, __pyx_t_1, __pyx_t_9) < 0)) __PYX_ERR(0, 546, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;

    /* "lakesuperior/store/base_lmdb_store.pyx":541
 * 
 *         db_stats = {}
 *         for i, dblabel in enumerate(self.dbi_labels):             # <<<<<<<<<<<<<<
 *             _check(
 *                 lmdb.mdb_stat(self.txn, self.dbis[i], &stat),
 */
  }
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":548
 *             db_stats[dblabel.encode()] = <dict>stat
 * 
 *         return {             # <<<<<<<<<<<<<<
 *             'env_stats': env_stats,
 *             'env_size': os.stat(self.env_path).st_size,
 */
  __Pyx_XDECREF(__pyx_r);

  /* "lakesuperior/store/base_lmdb_store.pyx":549
 * 
 *         return {
 *             'env_stats': env_stats,             # <<<<<<<<<<<<<<
 *             'env_size': os.stat(self.env_path).st_size,
 *             'db_stats': {
 */
  __pyx_t_2 = __Pyx_PyDict_NewPresized(3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 549, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_t_2, __pyx_n_u_env_stats, __pyx_v_env_stats) < 0) __PYX_ERR(0, 549, __pyx_L1_error)

  /* "lakesuperior/store/base_lmdb_store.pyx":550
 *         return {
 *             'env_stats': env_stats,
 *             'env_size': os.stat(self.env_path).st_size,             # <<<<<<<<<<<<<<
 *             'db_stats': {
 *                 db_label: db_stats[db_label.encode()]
 */
  __pyx_t_9 = __Pyx_GetModuleGlobalName(__pyx_n_s_os); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 550, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_9);
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_t_9, __pyx_n_s_stat); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 550, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
  __pyx_t_9 = NULL;
  if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_1))) {
    __pyx_t_9 = PyMethod_GET_SELF(__pyx_t_1);
    if (likely(__pyx_t_9)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_1);
      __Pyx_INCREF(__pyx_t_9);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_1, function);
    }
  }
  if (!__pyx_t_9) {
    __pyx_t_3 = __Pyx_PyObject_CallOneArg(__pyx_t_1, __pyx_v_self->env_path); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 550, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_1)) {
      PyObject *__pyx_temp[2] = {__pyx_t_9, __pyx_v_self->env_path};
      __pyx_t_3 = __Pyx_PyFunction_FastCall(__pyx_t_1, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 550, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_9); __pyx_t_9 = 0;
      __Pyx_GOTREF(__pyx_t_3);
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_1)) {
      PyObject *__pyx_temp[2] = {__pyx_t_9, __pyx_v_self->env_path};
      __pyx_t_3 = __Pyx_PyCFunction_FastCall(__pyx_t_1, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 550, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_9); __pyx_t_9 = 0;
      __Pyx_GOTREF(__pyx_t_3);
    } else
    #endif
    {
      __pyx_t_10 = PyTuple_New(1+1); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 550, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_10);
      __Pyx_GIVEREF(__pyx_t_9); PyTuple_SET_ITEM(__pyx_t_10, 0, __pyx_t_9); __pyx_t_9 = NULL;
      __Pyx_INCREF(__pyx_v_self->env_path);
      __Pyx_GIVEREF(__pyx_v_self->env_path);
      PyTuple_SET_ITEM(__pyx_t_10, 0+1, __pyx_v_self->env_path);
      __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_1, __pyx_t_10, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 550, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_t_3, __pyx_n_s_st_size); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 550, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  if (PyDict_SetItem(__pyx_t_2, __pyx_n_u_env_size, __pyx_t_1) < 0) __PYX_ERR(0, 549, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  { /* enter inner scope */

    /* "lakesuperior/store/base_lmdb_store.pyx":551
 *             'env_stats': env_stats,
 *             'env_size': os.stat(self.env_path).st_size,
 *             'db_stats': {             # <<<<<<<<<<<<<<
 *                 db_label: db_stats[db_label.encode()]
 *                 for db_label in self.dbi_labels
 */
    __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 551, __pyx_L7_error)
    __Pyx_GOTREF(__pyx_t_1);

    /* "lakesuperior/store/base_lmdb_store.pyx":553
 *             'db_stats': {
 *                 db_label: db_stats[db_label.encode()]
 *                 for db_label in self.dbi_labels             # <<<<<<<<<<<<<<
 *             },
 *         }
 */
    __pyx_t_3 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_dbi_labels); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 553, __pyx_L7_error)
    __Pyx_GOTREF(__pyx_t_3);
    if (likely(PyList_CheckExact(__pyx_t_3)) || PyTuple_CheckExact(__pyx_t_3)) {
      __pyx_t_10 = __pyx_t_3; __Pyx_INCREF(__pyx_t_10); __pyx_t_4 = 0;
      __pyx_t_5 = NULL;
    } else {
      __pyx_t_4 = -1; __pyx_t_10 = PyObject_GetIter(__pyx_t_3); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 553, __pyx_L7_error)
      __Pyx_GOTREF(__pyx_t_10);
      __pyx_t_5 = Py_TYPE(__pyx_t_10)->tp_iternext; if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 553, __pyx_L7_error)
    }
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    for (;;) {
      if (likely(!__pyx_t_5)) {
        if (likely(PyList_CheckExact(__pyx_t_10))) {
          if (__pyx_t_4 >= PyList_GET_SIZE(__pyx_t_10)) break;
          #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
          __pyx_t_3 = PyList_GET_ITEM(__pyx_t_10, __pyx_t_4); __Pyx_INCREF(__pyx_t_3); __pyx_t_4++; if (unlikely(0 < 0)) __PYX_ERR(0, 553, __pyx_L7_error)
          #else
          __pyx_t_3 = PySequence_ITEM(__pyx_t_10, __pyx_t_4); __pyx_t_4++; if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 553, __pyx_L7_error)
          __Pyx_GOTREF(__pyx_t_3);
          #endif
        } else {
          if (__pyx_t_4 >= PyTuple_GET_SIZE(__pyx_t_10)) break;
          #if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
          __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_10, __pyx_t_4); __Pyx_INCREF(__pyx_t_3); __pyx_t_4++; if (unlikely(0 < 0)) __PYX_ERR(0, 553, __pyx_L7_error)
          #else
          __pyx_t_3 = PySequence_ITEM(__pyx_t_10, __pyx_t_4); __pyx_t_4++; if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 553, __pyx_L7_error)
          __Pyx_GOTREF(__pyx_t_3);
          #endif
        }
      } else {
        __pyx_t_3 = __pyx_t_5(__pyx_t_10);
        if (unlikely(!__pyx_t_3)) {
          PyObject* exc_type = PyErr_Occurred();
          if (exc_type) {
            if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) PyErr_Clear();
            else __PYX_ERR(0, 553, __pyx_L7_error)
          }
          break;
        }
        __Pyx_GOTREF(__pyx_t_3);
      }
      __Pyx_XDECREF_SET(__pyx_7genexpr__pyx_v_db_label, __pyx_t_3);
      __pyx_t_3 = 0;

      /* "lakesuperior/store/base_lmdb_store.pyx":552
 *             'env_size': os.stat(self.env_path).st_size,
 *             'db_stats': {
 *                 db_label: db_stats[db_label.encode()]             # <<<<<<<<<<<<<<
 *                 for db_label in self.dbi_labels
 *             },
 */
      __pyx_t_9 = __Pyx_PyObject_GetAttrStr(__pyx_7genexpr__pyx_v_db_label, __pyx_n_s_encode); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 552, __pyx_L7_error)
      __Pyx_GOTREF(__pyx_t_9);
      __pyx_t_11 = NULL;
      if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_9))) {
        __pyx_t_11 = PyMethod_GET_SELF(__pyx_t_9);
        if (likely(__pyx_t_11)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_9);
          __Pyx_INCREF(__pyx_t_11);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_9, function);
        }
      }
      if (__pyx_t_11) {
        __pyx_t_3 = __Pyx_PyObject_CallOneArg(__pyx_t_9, __pyx_t_11); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 552, __pyx_L7_error)
        __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
      } else {
        __pyx_t_3 = __Pyx_PyObject_CallNoArg(__pyx_t_9); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 552, __pyx_L7_error)
      }
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
      __pyx_t_9 = __Pyx_PyDict_GetItem(__pyx_v_db_stats, __pyx_t_3); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 552, __pyx_L7_error)
      __Pyx_GOTREF(__pyx_t_9);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      if (unlikely(PyDict_SetItem(__pyx_t_1, (PyObject*)__pyx_7genexpr__pyx_v_db_label, (PyObject*)__pyx_t_9))) __PYX_ERR(0, 552, __pyx_L7_error)
      __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;

      /* "lakesuperior/store/base_lmdb_store.pyx":553
 *             'db_stats': {
 *                 db_label: db_stats[db_label.encode()]
 *                 for db_label in self.dbi_labels             # <<<<<<<<<<<<<<
 *             },
 *         }
 */
    }
    __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
    __Pyx_XDECREF(__pyx_7genexpr__pyx_v_db_label); __pyx_7genexpr__pyx_v_db_label = 0;
    goto __pyx_L10_exit_scope;
    __pyx_L7_error:;
    __Pyx_XDECREF(__pyx_7genexpr__pyx_v_db_label); __pyx_7genexpr__pyx_v_db_label = 0;
    goto __pyx_L1_error;
    __pyx_L10_exit_scope:;
  } /* exit inner scope */
  if (PyDict_SetItem(__pyx_t_2, __pyx_n_u_db_stats, __pyx_t_1) < 0) __PYX_ERR(0, 549, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_r = ((PyObject*)__pyx_t_2);
  __pyx_t_2 = 0;
  goto __pyx_L0;

  /* "lakesuperior/store/base_lmdb_store.pyx":527
 * 
 * 
 *     cdef dict _stats(self):             # <<<<<<<<<<<<<<
 *         """
 *         Gather statistics about the database.
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_9);
  __Pyx_XDECREF(__pyx_t_10);
  __Pyx_XDECREF(__pyx_t_11);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore._stats", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = 0;
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_v_env_stats);
  __Pyx_XDECREF(__pyx_v_db_stats);
  __Pyx_XDECREF(__pyx_v_i);
  __Pyx_XDECREF(__pyx_v_dblabel);
  __Pyx_XDECREF(__pyx_7genexpr__pyx_v_db_label);
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pyx":606
 *     ### CYTHON METHODS ###
 * 
 *     cdef void _txn_begin(self, write=True, lmdb.MDB_txn *parent=NULL) except *:             # <<<<<<<<<<<<<<
 *         if not self.is_open:
 *             raise LmdbError('Store is not open.')
 */

static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__txn_begin(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__txn_begin *__pyx_optional_args) {
  PyObject *__pyx_v_write = ((PyObject *)Py_True);
  MDB_txn *__pyx_v_parent = ((MDB_txn *)NULL);
  unsigned int __pyx_v_flags;
  int __pyx_v_rc;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  int __pyx_t_2;
  int __pyx_t_3;
  PyObject *__pyx_t_4 = NULL;
  unsigned int __pyx_t_5;
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  PyObject *__pyx_t_8 = NULL;
  PyObject *__pyx_t_9 = NULL;
  PyObject *__pyx_t_10 = NULL;
  PyObject *__pyx_t_11 = NULL;
  PyObject *__pyx_t_12 = NULL;
  PyObject *__pyx_t_13 = NULL;
  int __pyx_t_14;
  struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store__check __pyx_t_15;
  __Pyx_RefNannySetupContext("_txn_begin", 0);
  __Pyx_TraceCall("_txn_begin", __pyx_f[0], 606, 0, __PYX_ERR(0, 606, __pyx_L1_error));
  if (__pyx_optional_args) {
    if (__pyx_optional_args->__pyx_n > 0) {
      __pyx_v_write = __pyx_optional_args->write;
      if (__pyx_optional_args->__pyx_n > 1) {
        __pyx_v_parent = __pyx_optional_args->parent;
      }
    }
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":607
 * 
 *     cdef void _txn_begin(self, write=True, lmdb.MDB_txn *parent=NULL) except *:
 *         if not self.is_open:             # <<<<<<<<<<<<<<
 *             raise LmdbError('Store is not open.')
 * 
 */
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_is_open); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 607, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(0, 607, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_3 = ((!__pyx_t_2) != 0);
  if (unlikely(__pyx_t_3)) {

    /* "lakesuperior/store/base_lmdb_store.pyx":608
 *     cdef void _txn_begin(self, write=True, lmdb.MDB_txn *parent=NULL) except *:
 *         if not self.is_open:
 *             raise LmdbError('Store is not open.')             # <<<<<<<<<<<<<<
 * 
 *         cdef:
 */
    __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_LmdbError); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 608, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_1, __pyx_tuple__18, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 608, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __Pyx_Raise(__pyx_t_4, 0, 0, 0);
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __PYX_ERR(0, 608, __pyx_L1_error)

    /* "lakesuperior/store/base_lmdb_store.pyx":607
 * 
 *     cdef void _txn_begin(self, write=True, lmdb.MDB_txn *parent=NULL) except *:
 *         if not self.is_open:             # <<<<<<<<<<<<<<
 *             raise LmdbError('Store is not open.')
 * 
 */
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":613
 *             unsigned int flags
 * 
 *         flags = 0 if write else lmdb.MDB_RDONLY             # <<<<<<<<<<<<<<
 * 
 *         logger.debug('Opening {} transaction in PID {}, thread {}'.format(
 */
  __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_v_write); if (unlikely(__pyx_t_3 < 0)) __PYX_ERR(0, 613, __pyx_L1_error)
  if (__pyx_t_3) {
    __pyx_t_5 = 0;
  } else {
    __pyx_t_5 = MDB_RDONLY;
  }
  __pyx_v_flags = __pyx_t_5;

  /* "lakesuperior/store/base_lmdb_store.pyx":615
 *         flags = 0 if write else lmdb.MDB_RDONLY
 * 
 *         logger.debug('Opening {} transaction in PID {}, thread {}'.format(             # <<<<<<<<<<<<<<
 *             'RW' if write else 'RO',
 *             multiprocessing.current_process().pid,
 */
  __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_logger); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 615, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_6 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_debug); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 615, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_6);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_7 = __Pyx_PyObject_GetAttrStr(__pyx_kp_u_Opening_transaction_in_PID_threa, __pyx_n_s_format); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 615, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_7);

  /* "lakesuperior/store/base_lmdb_store.pyx":616
 * 
 *         logger.debug('Opening {} transaction in PID {}, thread {}'.format(
 *             'RW' if write else 'RO',             # <<<<<<<<<<<<<<
 *             multiprocessing.current_process().pid,
 *             threading.currentThread().getName()))
 */
  __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_v_write); if (unlikely(__pyx_t_3 < 0)) __PYX_ERR(0, 616, __pyx_L1_error)
  if (__pyx_t_3) {
    __Pyx_INCREF(__pyx_n_u_RW);
    __pyx_t_8 = __pyx_n_u_RW;
  } else {
    __Pyx_INCREF(__pyx_n_u_RO);
    __pyx_t_8 = __pyx_n_u_RO;
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":617
 *         logger.debug('Opening {} transaction in PID {}, thread {}'.format(
 *             'RW' if write else 'RO',
 *             multiprocessing.current_process().pid,             # <<<<<<<<<<<<<<
 *             threading.currentThread().getName()))
 *         #logger.debug('Readers: {}'.format(self.reader_list()))
 */
  __pyx_t_10 = __Pyx_GetModuleGlobalName(__pyx_n_s_multiprocessing); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 617, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_10);
  __pyx_t_11 = __Pyx_PyObject_GetAttrStr(__pyx_t_10, __pyx_n_s_current_process); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 617, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_11);
  __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
  __pyx_t_10 = NULL;
  if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_11))) {
    __pyx_t_10 = PyMethod_GET_SELF(__pyx_t_11);
    if (likely(__pyx_t_10)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_11);
      __Pyx_INCREF(__pyx_t_10);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_11, function);
    }
  }
  if (__pyx_t_10) {
    __pyx_t_9 = __Pyx_PyObject_CallOneArg(__pyx_t_11, __pyx_t_10); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 617, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
  } else {
    __pyx_t_9 = __Pyx_PyObject_CallNoArg(__pyx_t_11); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 617, __pyx_L1_error)
  }
  __Pyx_GOTREF(__pyx_t_9);
  __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
  __pyx_t_11 = __Pyx_PyObject_GetAttrStr(__pyx_t_9, __pyx_n_s_pid); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 617, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_11);
  __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":618
 *             'RW' if write else 'RO',
 *             multiprocessing.current_process().pid,
 *             threading.currentThread().getName()))             # <<<<<<<<<<<<<<
 *         #logger.debug('Readers: {}'.format(self.reader_list()))
 *         rc = lmdb.mdb_txn_begin(self.dbenv, parent, flags, &self.txn)
 */
  __pyx_t_12 = __Pyx_GetModuleGlobalName(__pyx_n_s_threading); if (unlikely(!__pyx_t_12)) __PYX_ERR(0, 618, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_12);
  __pyx_t_13 = __Pyx_PyObject_GetAttrStr(__pyx_t_12, __pyx_n_s_currentThread); if (unlikely(!__pyx_t_13)) __PYX_ERR(0, 618, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_13);
  __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
  __pyx_t_12 = NULL;
  if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_13))) {
    __pyx_t_12 = PyMethod_GET_SELF(__pyx_t_13);
    if (likely(__pyx_t_12)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_13);
      __Pyx_INCREF(__pyx_t_12);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_13, function);
    }
  }
  if (__pyx_t_12) {
    __pyx_t_10 = __Pyx_PyObject_CallOneArg(__pyx_t_13, __pyx_t_12); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 618, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
  } else {
    __pyx_t_10 = __Pyx_PyObject_CallNoArg(__pyx_t_13); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 618, __pyx_L1_error)
  }
  __Pyx_GOTREF(__pyx_t_10);
  __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
  __pyx_t_13 = __Pyx_PyObject_GetAttrStr(__pyx_t_10, __pyx_n_s_getName); if (unlikely(!__pyx_t_13)) __PYX_ERR(0, 618, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_13);
  __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
  __pyx_t_10 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_13))) {
    __pyx_t_10 = PyMethod_GET_SELF(__pyx_t_13);
    if (likely(__pyx_t_10)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_13);
      __Pyx_INCREF(__pyx_t_10);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_13, function);
    }
  }
  if (__pyx_t_10) {
    __pyx_t_9 = __Pyx_PyObject_CallOneArg(__pyx_t_13, __pyx_t_10); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 618, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
  } else {
    __pyx_t_9 = __Pyx_PyObject_CallNoArg(__pyx_t_13); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 618, __pyx_L1_error)
  }
  __Pyx_GOTREF(__pyx_t_9);
  __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
  __pyx_t_13 = NULL;
  __pyx_t_14 = 0;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_7))) {
    __pyx_t_13 = PyMethod_GET_SELF(__pyx_t_7);
    if (likely(__pyx_t_13)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_7);
      __Pyx_INCREF(__pyx_t_13);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_7, function);
      __pyx_t_14 = 1;
    }
  }
  #if CYTHON_FAST_PYCALL
  if (PyFunction_Check(__pyx_t_7)) {
    PyObject *__pyx_temp[4] = {__pyx_t_13, __pyx_t_8, __pyx_t_11, __pyx_t_9};
    __pyx_t_1 = __Pyx_PyFunction_FastCall(__pyx_t_7, __pyx_temp+1-__pyx_t_14, 3+__pyx_t_14); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 615, __pyx_L1_error)
    __Pyx_XDECREF(__pyx_t_13); __pyx_t_13 = 0;
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
    __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
    __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
  } else
  #endif
  #if CYTHON_FAST_PYCCALL
  if (__Pyx_PyFastCFunction_Check(__pyx_t_7)) {
    PyObject *__pyx_temp[4] = {__pyx_t_13, __pyx_t_8, __pyx_t_11, __pyx_t_9};
    __pyx_t_1 = __Pyx_PyCFunction_FastCall(__pyx_t_7, __pyx_temp+1-__pyx_t_14, 3+__pyx_t_14); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 615, __pyx_L1_error)
    __Pyx_XDECREF(__pyx_t_13); __pyx_t_13 = 0;
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
    __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
    __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
  } else
  #endif
  {
    __pyx_t_10 = PyTuple_New(3+__pyx_t_14); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 615, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_10);
    if (__pyx_t_13) {
      __Pyx_GIVEREF(__pyx_t_13); PyTuple_SET_ITEM(__pyx_t_10, 0, __pyx_t_13); __pyx_t_13 = NULL;
    }
    __Pyx_GIVEREF(__pyx_t_8);
    PyTuple_SET_ITEM(__pyx_t_10, 0+__pyx_t_14, __pyx_t_8);
    __Pyx_GIVEREF(__pyx_t_11);
    PyTuple_SET_ITEM(__pyx_t_10, 1+__pyx_t_14, __pyx_t_11);
    __Pyx_GIVEREF(__pyx_t_9);
    PyTuple_SET_ITEM(__pyx_t_10, 2+__pyx_t_14, __pyx_t_9);
    __pyx_t_8 = 0;
    __pyx_t_11 = 0;
    __pyx_t_9 = 0;
    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_7, __pyx_t_10, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 615, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
  }
  __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
  __pyx_t_7 = NULL;
  if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_6))) {
    __pyx_t_7 = PyMethod_GET_SELF(__pyx_t_6);
    if (likely(__pyx_t_7)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_6);
      __Pyx_INCREF(__pyx_t_7);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_6, function);
    }
  }
  if (!__pyx_t_7) {
    __pyx_t_4 = __Pyx_PyObject_CallOneArg(__pyx_t_6, __pyx_t_1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 615, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __Pyx_GOTREF(__pyx_t_4);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_6)) {
      PyObject *__pyx_temp[2] = {__pyx_t_7, __pyx_t_1};
      __pyx_t_4 = __Pyx_PyFunction_FastCall(__pyx_t_6, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 615, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_6)) {
      PyObject *__pyx_temp[2] = {__pyx_t_7, __pyx_t_1};
      __pyx_t_4 = __Pyx_PyCFunction_FastCall(__pyx_t_6, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 615, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    } else
    #endif
    {
      __pyx_t_10 = PyTuple_New(1+1); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 615, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_10);
      __Pyx_GIVEREF(__pyx_t_7); PyTuple_SET_ITEM(__pyx_t_10, 0, __pyx_t_7); __pyx_t_7 = NULL;
      __Pyx_GIVEREF(__pyx_t_1);
      PyTuple_SET_ITEM(__pyx_t_10, 0+1, __pyx_t_1);
      __pyx_t_1 = 0;
      __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_6, __pyx_t_10, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 615, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":620
 *             threading.currentThread().getName()))
 *         #logger.debug('Readers: {}'.format(self.reader_list()))
 *         rc = lmdb.mdb_txn_begin(self.dbenv, parent, flags, &self.txn)             # <<<<<<<<<<<<<<
 *         _check(rc, 'Error opening transaction.')
 *         logger.debug('Opened transaction @ {:x}'.format(<unsigned long>self.txn))
 */
  __pyx_v_rc = mdb_txn_begin(__pyx_v_self->dbenv, __pyx_v_parent, __pyx_v_flags, (&__pyx_v_self->txn));

  /* "lakesuperior/store/base_lmdb_store.pyx":621
 *         #logger.debug('Readers: {}'.format(self.reader_list()))
 *         rc = lmdb.mdb_txn_begin(self.dbenv, parent, flags, &self.txn)
 *         _check(rc, 'Error opening transaction.')             # <<<<<<<<<<<<<<
 *         logger.debug('Opened transaction @ {:x}'.format(<unsigned long>self.txn))
 * 
 */
  __pyx_t_15.__pyx_n = 1;
  __pyx_t_15.message = __pyx_kp_u_Error_opening_transaction;
  __pyx_f_12lakesuperior_5store_15base_lmdb_store__check(__pyx_v_rc, &__pyx_t_15); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 621, __pyx_L1_error)

  /* "lakesuperior/store/base_lmdb_store.pyx":622
 *         rc = lmdb.mdb_txn_begin(self.dbenv, parent, flags, &self.txn)
 *         _check(rc, 'Error opening transaction.')
 *         logger.debug('Opened transaction @ {:x}'.format(<unsigned long>self.txn))             # <<<<<<<<<<<<<<
 * 
 *         self.is_txn_open = True
 */
  __pyx_t_6 = __Pyx_GetModuleGlobalName(__pyx_n_s_logger); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 622, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_6);
  __pyx_t_10 = __Pyx_PyObject_GetAttrStr(__pyx_t_6, __pyx_n_s_debug); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 622, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_10);
  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_kp_u_Opened_transaction_x, __pyx_n_s_format); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 622, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_7 = __Pyx_PyInt_From_unsigned_long(((unsigned long)__pyx_v_self->txn)); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 622, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_7);
  __pyx_t_9 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_1))) {
    __pyx_t_9 = PyMethod_GET_SELF(__pyx_t_1);
    if (likely(__pyx_t_9)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_1);
      __Pyx_INCREF(__pyx_t_9);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_1, function);
    }
  }
  if (!__pyx_t_9) {
    __pyx_t_6 = __Pyx_PyObject_CallOneArg(__pyx_t_1, __pyx_t_7); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 622, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    __Pyx_GOTREF(__pyx_t_6);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_1)) {
      PyObject *__pyx_temp[2] = {__pyx_t_9, __pyx_t_7};
      __pyx_t_6 = __Pyx_PyFunction_FastCall(__pyx_t_1, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 622, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_9); __pyx_t_9 = 0;
      __Pyx_GOTREF(__pyx_t_6);
      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_1)) {
      PyObject *__pyx_temp[2] = {__pyx_t_9, __pyx_t_7};
      __pyx_t_6 = __Pyx_PyCFunction_FastCall(__pyx_t_1, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 622, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_9); __pyx_t_9 = 0;
      __Pyx_GOTREF(__pyx_t_6);
      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    } else
    #endif
    {
      __pyx_t_11 = PyTuple_New(1+1); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 622, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_11);
      __Pyx_GIVEREF(__pyx_t_9); PyTuple_SET_ITEM(__pyx_t_11, 0, __pyx_t_9); __pyx_t_9 = NULL;
      __Pyx_GIVEREF(__pyx_t_7);
      PyTuple_SET_ITEM(__pyx_t_11, 0+1, __pyx_t_7);
      __pyx_t_7 = 0;
      __pyx_t_6 = __Pyx_PyObject_Call(__pyx_t_1, __pyx_t_11, NULL); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 622, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_6);
      __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_1 = NULL;
  if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_10))) {
    __pyx_t_1 = PyMethod_GET_SELF(__pyx_t_10);
    if (likely(__pyx_t_1)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_10);
      __Pyx_INCREF(__pyx_t_1);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_10, function);
    }
  }
  if (!__pyx_t_1) {
    __pyx_t_4 = __Pyx_PyObject_CallOneArg(__pyx_t_10, __pyx_t_6); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 622, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    __Pyx_GOTREF(__pyx_t_4);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_10)) {
      PyObject *__pyx_temp[2] = {__pyx_t_1, __pyx_t_6};
      __pyx_t_4 = __Pyx_PyFunction_FastCall(__pyx_t_10, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 622, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_1); __pyx_t_1 = 0;
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_10)) {
      PyObject *__pyx_temp[2] = {__pyx_t_1, __pyx_t_6};
      __pyx_t_4 = __Pyx_PyCFunction_FastCall(__pyx_t_10, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 622, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_1); __pyx_t_1 = 0;
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    } else
    #endif
    {
      __pyx_t_11 = PyTuple_New(1+1); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 622, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_11);
      __Pyx_GIVEREF(__pyx_t_1); PyTuple_SET_ITEM(__pyx_t_11, 0, __pyx_t_1); __pyx_t_1 = NULL;
      __Pyx_GIVEREF(__pyx_t_6);
      PyTuple_SET_ITEM(__pyx_t_11, 0+1, __pyx_t_6);
      __pyx_t_6 = 0;
      __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_10, __pyx_t_11, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 622, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":624
 *         logger.debug('Opened transaction @ {:x}'.format(<unsigned long>self.txn))
 * 
 *         self.is_txn_open = True             # <<<<<<<<<<<<<<
 *         self.is_txn_rw = write
 *         logger.debug('txn is open: {}'.format(self.is_txn_open))
 */
  __pyx_v_self->is_txn_open = 1;

  /* "lakesuperior/store/base_lmdb_store.pyx":625
 * 
 *         self.is_txn_open = True
 *         self.is_txn_rw = write             # <<<<<<<<<<<<<<
 *         logger.debug('txn is open: {}'.format(self.is_txn_open))
 * 
 */
  if (__Pyx_PyObject_SetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_is_txn_rw, __pyx_v_write) < 0) __PYX_ERR(0, 625, __pyx_L1_error)

  /* "lakesuperior/store/base_lmdb_store.pyx":626
 *         self.is_txn_open = True
 *         self.is_txn_rw = write
 *         logger.debug('txn is open: {}'.format(self.is_txn_open))             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_t_10 = __Pyx_GetModuleGlobalName(__pyx_n_s_logger); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 626, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_10);
  __pyx_t_11 = __Pyx_PyObject_GetAttrStr(__pyx_t_10, __pyx_n_s_debug); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 626, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_11);
  __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
  __pyx_t_6 = __Pyx_PyObject_GetAttrStr(__pyx_kp_u_txn_is_open, __pyx_n_s_format); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 626, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_6);
  __pyx_t_1 = __Pyx_PyBool_FromLong(__pyx_v_self->is_txn_open); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 626, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_7 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_6))) {
    __pyx_t_7 = PyMethod_GET_SELF(__pyx_t_6);
    if (likely(__pyx_t_7)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_6);
      __Pyx_INCREF(__pyx_t_7);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_6, function);
    }
  }
  if (!__pyx_t_7) {
    __pyx_t_10 = __Pyx_PyObject_CallOneArg(__pyx_t_6, __pyx_t_1); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 626, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    __Pyx_GOTREF(__pyx_t_10);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_6)) {
      PyObject *__pyx_temp[2] = {__pyx_t_7, __pyx_t_1};
      __pyx_t_10 = __Pyx_PyFunction_FastCall(__pyx_t_6, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 626, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
      __Pyx_GOTREF(__pyx_t_10);
      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_6)) {
      PyObject *__pyx_temp[2] = {__pyx_t_7, __pyx_t_1};
      __pyx_t_10 = __Pyx_PyCFunction_FastCall(__pyx_t_6, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 626, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
      __Pyx_GOTREF(__pyx_t_10);
      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
    } else
    #endif
    {
      __pyx_t_9 = PyTuple_New(1+1); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 626, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_9);
      __Pyx_GIVEREF(__pyx_t_7); PyTuple_SET_ITEM(__pyx_t_9, 0, __pyx_t_7); __pyx_t_7 = NULL;
      __Pyx_GIVEREF(__pyx_t_1);
      PyTuple_SET_ITEM(__pyx_t_9, 0+1, __pyx_t_1);
      __pyx_t_1 = 0;
      __pyx_t_10 = __Pyx_PyObject_Call(__pyx_t_6, __pyx_t_9, NULL); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 626, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_10);
      __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
  __pyx_t_6 = NULL;
  if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_11))) {
    __pyx_t_6 = PyMethod_GET_SELF(__pyx_t_11);
    if (likely(__pyx_t_6)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_11);
      __Pyx_INCREF(__pyx_t_6);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_11, function);
    }
  }
  if (!__pyx_t_6) {
    __pyx_t_4 = __Pyx_PyObject_CallOneArg(__pyx_t_11, __pyx_t_10); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 626, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
    __Pyx_GOTREF(__pyx_t_4);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_11)) {
      PyObject *__pyx_temp[2] = {__pyx_t_6, __pyx_t_10};
      __pyx_t_4 = __Pyx_PyFunction_FastCall(__pyx_t_11, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 626, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_11)) {
      PyObject *__pyx_temp[2] = {__pyx_t_6, __pyx_t_10};
      __pyx_t_4 = __Pyx_PyCFunction_FastCall(__pyx_t_11, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 626, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
    } else
    #endif
    {
      __pyx_t_9 = PyTuple_New(1+1); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 626, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_9);
      __Pyx_GIVEREF(__pyx_t_6); PyTuple_SET_ITEM(__pyx_t_9, 0, __pyx_t_6); __pyx_t_6 = NULL;
      __Pyx_GIVEREF(__pyx_t_10);
      PyTuple_SET_ITEM(__pyx_t_9, 0+1, __pyx_t_10);
      __pyx_t_10 = 0;
      __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_11, __pyx_t_9, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 626, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_4);
      __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":606
 *     ### CYTHON METHODS ###
 * 
 *     cdef void _txn_begin(self, write=True, lmdb.MDB_txn *parent=NULL) except *:             # <<<<<<<<<<<<<<
 *         if not self.is_open:
 *             raise LmdbError('Store is not open.')
 */

  /* function exit code */
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_XDECREF(__pyx_t_8);
  __Pyx_XDECREF(__pyx_t_9);
  __Pyx_XDECREF(__pyx_t_10);
  __Pyx_XDECREF(__pyx_t_11);
  __Pyx_XDECREF(__pyx_t_12);
  __Pyx_XDECREF(__pyx_t_13);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore._txn_begin", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_L0:;
  __Pyx_TraceReturn(Py_None, 0);
  __Pyx_RefNannyFinishContext();
}

/* "lakesuperior/store/base_lmdb_store.pyx":629
 * 
 * 
 *     cdef void _txn_commit(self) except *:             # <<<<<<<<<<<<<<
 *         txid = '{:x}'.format(<unsigned long>self.txn)
 *         try:
 */

static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__txn_commit(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self) {
  PyObject *__pyx_v_txid = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  PyObject *__pyx_t_8 = NULL;
  PyObject *__pyx_t_9 = NULL;
  __Pyx_RefNannySetupContext("_txn_commit", 0);
  __Pyx_TraceCall("_txn_commit", __pyx_f[0], 629, 0, __PYX_ERR(0, 629, __pyx_L1_error));

  /* "lakesuperior/store/base_lmdb_store.pyx":630
 * 
 *     cdef void _txn_commit(self) except *:
 *         txid = '{:x}'.format(<unsigned long>self.txn)             # <<<<<<<<<<<<<<
 *         try:
 *             _check(lmdb.mdb_txn_commit(self.txn))
 */
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_kp_u_x, __pyx_n_s_format); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 630, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_PyInt_From_unsigned_long(((unsigned long)__pyx_v_self->txn)); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 630, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_t_4 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_2))) {
    __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_2);
    if (likely(__pyx_t_4)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_2);
      __Pyx_INCREF(__pyx_t_4);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_2, function);
    }
  }
  if (!__pyx_t_4) {
    __pyx_t_1 = __Pyx_PyObject_CallOneArg(__pyx_t_2, __pyx_t_3); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 630, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __Pyx_GOTREF(__pyx_t_1);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_2)) {
      PyObject *__pyx_temp[2] = {__pyx_t_4, __pyx_t_3};
      __pyx_t_1 = __Pyx_PyFunction_FastCall(__pyx_t_2, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 630, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
      __Pyx_GOTREF(__pyx_t_1);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_2)) {
      PyObject *__pyx_temp[2] = {__pyx_t_4, __pyx_t_3};
      __pyx_t_1 = __Pyx_PyCFunction_FastCall(__pyx_t_2, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 630, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
      __Pyx_GOTREF(__pyx_t_1);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    } else
    #endif
    {
      __pyx_t_5 = PyTuple_New(1+1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 630, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_GIVEREF(__pyx_t_4); PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_4); __pyx_t_4 = NULL;
      __Pyx_GIVEREF(__pyx_t_3);
      PyTuple_SET_ITEM(__pyx_t_5, 0+1, __pyx_t_3);
      __pyx_t_3 = 0;
      __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_t_5, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 630, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_1);
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_v_txid = __pyx_t_1;
  __pyx_t_1 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":631
 *     cdef void _txn_commit(self) except *:
 *         txid = '{:x}'.format(<unsigned long>self.txn)
 *         try:             # <<<<<<<<<<<<<<
 *             _check(lmdb.mdb_txn_commit(self.txn))
 *             logger.debug('Transaction @ {} committed.'.format(txid))
 */
  {
    __Pyx_PyThreadState_declare
    __Pyx_PyThreadState_assign
    __Pyx_ExceptionSave(&__pyx_t_6, &__pyx_t_7, &__pyx_t_8);
    __Pyx_XGOTREF(__pyx_t_6);
    __Pyx_XGOTREF(__pyx_t_7);
    __Pyx_XGOTREF(__pyx_t_8);
    /*try:*/ {

      /* "lakesuperior/store/base_lmdb_store.pyx":632
 *         txid = '{:x}'.format(<unsigned long>self.txn)
 *         try:
 *             _check(lmdb.mdb_txn_commit(self.txn))             # <<<<<<<<<<<<<<
 *             logger.debug('Transaction @ {} committed.'.format(txid))
 *             self.is_txn_open = False
 */
      __pyx_f_12lakesuperior_5store_15base_lmdb_store__check(mdb_txn_commit(__pyx_v_self->txn), NULL); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 632, __pyx_L3_error)

      /* "lakesuperior/store/base_lmdb_store.pyx":633
 *         try:
 *             _check(lmdb.mdb_txn_commit(self.txn))
 *             logger.debug('Transaction @ {} committed.'.format(txid))             # <<<<<<<<<<<<<<
 *             self.is_txn_open = False
 *             self.is_txn_rw = False
 */
      __pyx_t_2 = __Pyx_GetModuleGlobalName(__pyx_n_s_logger); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 633, __pyx_L3_error)
      __Pyx_GOTREF(__pyx_t_2);
      __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_debug); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 633, __pyx_L3_error)
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
      __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_kp_u_Transaction_committed, __pyx_n_s_format); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 633, __pyx_L3_error)
      __Pyx_GOTREF(__pyx_t_3);
      __pyx_t_4 = NULL;
      if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_3))) {
        __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_3);
        if (likely(__pyx_t_4)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
          __Pyx_INCREF(__pyx_t_4);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_3, function);
        }
      }
      if (!__pyx_t_4) {
        __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_v_txid); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 633, __pyx_L3_error)
        __Pyx_GOTREF(__pyx_t_2);
      } else {
        #if CYTHON_FAST_PYCALL
        if (PyFunction_Check(__pyx_t_3)) {
          PyObject *__pyx_temp[2] = {__pyx_t_4, __pyx_v_txid};
          __pyx_t_2 = __Pyx_PyFunction_FastCall(__pyx_t_3, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 633, __pyx_L3_error)
          __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
          __Pyx_GOTREF(__pyx_t_2);
        } else
        #endif
        #if CYTHON_FAST_PYCCALL
        if (__Pyx_PyFastCFunction_Check(__pyx_t_3)) {
          PyObject *__pyx_temp[2] = {__pyx_t_4, __pyx_v_txid};
          __pyx_t_2 = __Pyx_PyCFunction_FastCall(__pyx_t_3, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 633, __pyx_L3_error)
          __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
          __Pyx_GOTREF(__pyx_t_2);
        } else
        #endif
        {
          __pyx_t_9 = PyTuple_New(1+1); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 633, __pyx_L3_error)
          __Pyx_GOTREF(__pyx_t_9);
          __Pyx_GIVEREF(__pyx_t_4); PyTuple_SET_ITEM(__pyx_t_9, 0, __pyx_t_4); __pyx_t_4 = NULL;
          __Pyx_INCREF(__pyx_v_txid);
          __Pyx_GIVEREF(__pyx_v_txid);
          PyTuple_SET_ITEM(__pyx_t_9, 0+1, __pyx_v_txid);
          __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_9, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 633, __pyx_L3_error)
          __Pyx_GOTREF(__pyx_t_2);
          __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
        }
      }
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __pyx_t_3 = NULL;
      if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_5))) {
        __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_5);
        if (likely(__pyx_t_3)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
          __Pyx_INCREF(__pyx_t_3);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_5, function);
        }
      }
      if (!__pyx_t_3) {
        __pyx_t_1 = __Pyx_PyObject_CallOneArg(__pyx_t_5, __pyx_t_2); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 633, __pyx_L3_error)
        __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
        __Pyx_GOTREF(__pyx_t_1);
      } else {
        #if CYTHON_FAST_PYCALL
        if (PyFunction_Check(__pyx_t_5)) {
          PyObject *__pyx_temp[2] = {__pyx_t_3, __pyx_t_2};
          __pyx_t_1 = __Pyx_PyFunction_FastCall(__pyx_t_5, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 633, __pyx_L3_error)
          __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
          __Pyx_GOTREF(__pyx_t_1);
          __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
        } else
        #endif
        #if CYTHON_FAST_PYCCALL
        if (__Pyx_PyFastCFunction_Check(__pyx_t_5)) {
          PyObject *__pyx_temp[2] = {__pyx_t_3, __pyx_t_2};
          __pyx_t_1 = __Pyx_PyCFunction_FastCall(__pyx_t_5, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 633, __pyx_L3_error)
          __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
          __Pyx_GOTREF(__pyx_t_1);
          __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
        } else
        #endif
        {
          __pyx_t_9 = PyTuple_New(1+1); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 633, __pyx_L3_error)
          __Pyx_GOTREF(__pyx_t_9);
          __Pyx_GIVEREF(__pyx_t_3); PyTuple_SET_ITEM(__pyx_t_9, 0, __pyx_t_3); __pyx_t_3 = NULL;
          __Pyx_GIVEREF(__pyx_t_2);
          PyTuple_SET_ITEM(__pyx_t_9, 0+1, __pyx_t_2);
          __pyx_t_2 = 0;
          __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_5, __pyx_t_9, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 633, __pyx_L3_error)
          __Pyx_GOTREF(__pyx_t_1);
          __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
        }
      }
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

      /* "lakesuperior/store/base_lmdb_store.pyx":634
 *             _check(lmdb.mdb_txn_commit(self.txn))
 *             logger.debug('Transaction @ {} committed.'.format(txid))
 *             self.is_txn_open = False             # <<<<<<<<<<<<<<
 *             self.is_txn_rw = False
 *         except:
 */
      __pyx_v_self->is_txn_open = 0;

      /* "lakesuperior/store/base_lmdb_store.pyx":635
 *             logger.debug('Transaction @ {} committed.'.format(txid))
 *             self.is_txn_open = False
 *             self.is_txn_rw = False             # <<<<<<<<<<<<<<
 *         except:
 *             self._txn_abort()
 */
      if (__Pyx_PyObject_SetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_is_txn_rw, Py_False) < 0) __PYX_ERR(0, 635, __pyx_L3_error)

      /* "lakesuperior/store/base_lmdb_store.pyx":631
 *     cdef void _txn_commit(self) except *:
 *         txid = '{:x}'.format(<unsigned long>self.txn)
 *         try:             # <<<<<<<<<<<<<<
 *             _check(lmdb.mdb_txn_commit(self.txn))
 *             logger.debug('Transaction @ {} committed.'.format(txid))
 */
    }
    __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
    __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
    __Pyx_XDECREF(__pyx_t_8); __pyx_t_8 = 0;
    goto __pyx_L8_try_end;
    __pyx_L3_error:;
    __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
    __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
    __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
    __Pyx_XDECREF(__pyx_t_9); __pyx_t_9 = 0;
    __Pyx_XDECREF(__pyx_t_5); __pyx_t_5 = 0;
    __Pyx_XDECREF(__pyx_t_1); __pyx_t_1 = 0;

    /* "lakesuperior/store/base_lmdb_store.pyx":636
 *             self.is_txn_open = False
 *             self.is_txn_rw = False
 *         except:             # <<<<<<<<<<<<<<
 *             self._txn_abort()
 *             raise
 */
    /*except:*/ {
      __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore._txn_commit", __pyx_clineno, __pyx_lineno, __pyx_filename);
      if (__Pyx_GetException(&__pyx_t_1, &__pyx_t_5, &__pyx_t_9) < 0) __PYX_ERR(0, 636, __pyx_L5_except_error)
      __Pyx_GOTREF(__pyx_t_1);
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_GOTREF(__pyx_t_9);

      /* "lakesuperior/store/base_lmdb_store.pyx":637
 *             self.is_txn_rw = False
 *         except:
 *             self._txn_abort()             # <<<<<<<<<<<<<<
 *             raise
 * 
 */
      ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self->__pyx_vtab)->_txn_abort(__pyx_v_self); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 637, __pyx_L5_except_error)

      /* "lakesuperior/store/base_lmdb_store.pyx":638
 *         except:
 *             self._txn_abort()
 *             raise             # <<<<<<<<<<<<<<
 * 
 * 
 */
      __Pyx_GIVEREF(__pyx_t_1);
      __Pyx_GIVEREF(__pyx_t_5);
      __Pyx_XGIVEREF(__pyx_t_9);
      __Pyx_ErrRestoreWithState(__pyx_t_1, __pyx_t_5, __pyx_t_9);
      __pyx_t_1 = 0; __pyx_t_5 = 0; __pyx_t_9 = 0; 
      __PYX_ERR(0, 638, __pyx_L5_except_error)
    }
    __pyx_L5_except_error:;

    /* "lakesuperior/store/base_lmdb_store.pyx":631
 *     cdef void _txn_commit(self) except *:
 *         txid = '{:x}'.format(<unsigned long>self.txn)
 *         try:             # <<<<<<<<<<<<<<
 *             _check(lmdb.mdb_txn_commit(self.txn))
 *             logger.debug('Transaction @ {} committed.'.format(txid))
 */
    __Pyx_XGIVEREF(__pyx_t_6);
    __Pyx_XGIVEREF(__pyx_t_7);
    __Pyx_XGIVEREF(__pyx_t_8);
    __Pyx_ExceptionReset(__pyx_t_6, __pyx_t_7, __pyx_t_8);
    goto __pyx_L1_error;
    __pyx_L8_try_end:;
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":629
 * 
 * 
 *     cdef void _txn_commit(self) except *:             # <<<<<<<<<<<<<<
 *         txid = '{:x}'.format(<unsigned long>self.txn)
 *         try:
 */

  /* function exit code */
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_XDECREF(__pyx_t_9);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore._txn_commit", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_v_txid);
  __Pyx_TraceReturn(Py_None, 0);
  __Pyx_RefNannyFinishContext();
}

/* "lakesuperior/store/base_lmdb_store.pyx":641
 * 
 * 
 *     cdef void _txn_abort(self) except *:             # <<<<<<<<<<<<<<
 *         txid = '{:x}'.format(<unsigned long>self.txn)
 *         lmdb.mdb_txn_abort(self.txn)
 */

static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__txn_abort(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self) {
  PyObject *__pyx_v_txid = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  PyObject *__pyx_t_6 = NULL;
  __Pyx_RefNannySetupContext("_txn_abort", 0);
  __Pyx_TraceCall("_txn_abort", __pyx_f[0], 641, 0, __PYX_ERR(0, 641, __pyx_L1_error));

  /* "lakesuperior/store/base_lmdb_store.pyx":642
 * 
 *     cdef void _txn_abort(self) except *:
 *         txid = '{:x}'.format(<unsigned long>self.txn)             # <<<<<<<<<<<<<<
 *         lmdb.mdb_txn_abort(self.txn)
 *         self.is_txn_open = False
 */
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_kp_u_x, __pyx_n_s_format); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 642, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_3 = __Pyx_PyInt_From_unsigned_long(((unsigned long)__pyx_v_self->txn)); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 642, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_t_4 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_2))) {
    __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_2);
    if (likely(__pyx_t_4)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_2);
      __Pyx_INCREF(__pyx_t_4);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_2, function);
    }
  }
  if (!__pyx_t_4) {
    __pyx_t_1 = __Pyx_PyObject_CallOneArg(__pyx_t_2, __pyx_t_3); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 642, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __Pyx_GOTREF(__pyx_t_1);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_2)) {
      PyObject *__pyx_temp[2] = {__pyx_t_4, __pyx_t_3};
      __pyx_t_1 = __Pyx_PyFunction_FastCall(__pyx_t_2, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 642, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
      __Pyx_GOTREF(__pyx_t_1);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_2)) {
      PyObject *__pyx_temp[2] = {__pyx_t_4, __pyx_t_3};
      __pyx_t_1 = __Pyx_PyCFunction_FastCall(__pyx_t_2, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 642, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
      __Pyx_GOTREF(__pyx_t_1);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    } else
    #endif
    {
      __pyx_t_5 = PyTuple_New(1+1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 642, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_GIVEREF(__pyx_t_4); PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_4); __pyx_t_4 = NULL;
      __Pyx_GIVEREF(__pyx_t_3);
      PyTuple_SET_ITEM(__pyx_t_5, 0+1, __pyx_t_3);
      __pyx_t_3 = 0;
      __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_t_5, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 642, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_1);
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_v_txid = __pyx_t_1;
  __pyx_t_1 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":643
 *     cdef void _txn_abort(self) except *:
 *         txid = '{:x}'.format(<unsigned long>self.txn)
 *         lmdb.mdb_txn_abort(self.txn)             # <<<<<<<<<<<<<<
 *         self.is_txn_open = False
 *         self.is_txn_rw = False
 */
  mdb_txn_abort(__pyx_v_self->txn);

  /* "lakesuperior/store/base_lmdb_store.pyx":644
 *         txid = '{:x}'.format(<unsigned long>self.txn)
 *         lmdb.mdb_txn_abort(self.txn)
 *         self.is_txn_open = False             # <<<<<<<<<<<<<<
 *         self.is_txn_rw = False
 *         logger.info('Transaction @ {} aborted.'.format(txid))
 */
  __pyx_v_self->is_txn_open = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":645
 *         lmdb.mdb_txn_abort(self.txn)
 *         self.is_txn_open = False
 *         self.is_txn_rw = False             # <<<<<<<<<<<<<<
 *         logger.info('Transaction @ {} aborted.'.format(txid))
 * 
 */
  if (__Pyx_PyObject_SetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_is_txn_rw, Py_False) < 0) __PYX_ERR(0, 645, __pyx_L1_error)

  /* "lakesuperior/store/base_lmdb_store.pyx":646
 *         self.is_txn_open = False
 *         self.is_txn_rw = False
 *         logger.info('Transaction @ {} aborted.'.format(txid))             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_t_2 = __Pyx_GetModuleGlobalName(__pyx_n_s_logger); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 646, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_info); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 646, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_5);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_3 = __Pyx_PyObject_GetAttrStr(__pyx_kp_u_Transaction_aborted, __pyx_n_s_format); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 646, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_t_4 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_3))) {
    __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_3);
    if (likely(__pyx_t_4)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
      __Pyx_INCREF(__pyx_t_4);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_3, function);
    }
  }
  if (!__pyx_t_4) {
    __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_v_txid); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 646, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_2);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_3)) {
      PyObject *__pyx_temp[2] = {__pyx_t_4, __pyx_v_txid};
      __pyx_t_2 = __Pyx_PyFunction_FastCall(__pyx_t_3, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 646, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
      __Pyx_GOTREF(__pyx_t_2);
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_3)) {
      PyObject *__pyx_temp[2] = {__pyx_t_4, __pyx_v_txid};
      __pyx_t_2 = __Pyx_PyCFunction_FastCall(__pyx_t_3, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 646, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
      __Pyx_GOTREF(__pyx_t_2);
    } else
    #endif
    {
      __pyx_t_6 = PyTuple_New(1+1); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 646, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_6);
      __Pyx_GIVEREF(__pyx_t_4); PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_t_4); __pyx_t_4 = NULL;
      __Pyx_INCREF(__pyx_v_txid);
      __Pyx_GIVEREF(__pyx_v_txid);
      PyTuple_SET_ITEM(__pyx_t_6, 0+1, __pyx_v_txid);
      __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_t_6, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 646, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_2);
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __pyx_t_3 = NULL;
  if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_5))) {
    __pyx_t_3 = PyMethod_GET_SELF(__pyx_t_5);
    if (likely(__pyx_t_3)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_5);
      __Pyx_INCREF(__pyx_t_3);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_5, function);
    }
  }
  if (!__pyx_t_3) {
    __pyx_t_1 = __Pyx_PyObject_CallOneArg(__pyx_t_5, __pyx_t_2); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 646, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    __Pyx_GOTREF(__pyx_t_1);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_5)) {
      PyObject *__pyx_temp[2] = {__pyx_t_3, __pyx_t_2};
      __pyx_t_1 = __Pyx_PyFunction_FastCall(__pyx_t_5, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 646, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
      __Pyx_GOTREF(__pyx_t_1);
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_5)) {
      PyObject *__pyx_temp[2] = {__pyx_t_3, __pyx_t_2};
      __pyx_t_1 = __Pyx_PyCFunction_FastCall(__pyx_t_5, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 646, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_3); __pyx_t_3 = 0;
      __Pyx_GOTREF(__pyx_t_1);
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    } else
    #endif
    {
      __pyx_t_6 = PyTuple_New(1+1); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 646, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_6);
      __Pyx_GIVEREF(__pyx_t_3); PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_t_3); __pyx_t_3 = NULL;
      __Pyx_GIVEREF(__pyx_t_2);
      PyTuple_SET_ITEM(__pyx_t_6, 0+1, __pyx_t_2);
      __pyx_t_2 = 0;
      __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_5, __pyx_t_6, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 646, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_1);
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":641
 * 
 * 
 *     cdef void _txn_abort(self) except *:             # <<<<<<<<<<<<<<
 *         txid = '{:x}'.format(<unsigned long>self.txn)
 *         lmdb.mdb_txn_abort(self.txn)
 */

  /* function exit code */
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore._txn_abort", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_L0:;
  __Pyx_XDECREF(__pyx_v_txid);
  __Pyx_TraceReturn(Py_None, 0);
  __Pyx_RefNannyFinishContext();
}

/* "lakesuperior/store/base_lmdb_store.pyx":649
 * 
 * 
 *     cpdef int txn_id(self):             # <<<<<<<<<<<<<<
 *         return self._txn_id()
 * 
 */

static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_32txn_id(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused); /*proto*/
static int __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_txn_id(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, int __pyx_skip_dispatch) {
  int __pyx_r;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  int __pyx_t_5;
  size_t __pyx_t_6;
  __Pyx_RefNannySetupContext("txn_id", 0);
  __Pyx_TraceCall("txn_id", __pyx_f[0], 649, 0, __PYX_ERR(0, 649, __pyx_L1_error));
  /* Check if called by wrapper */
  if (unlikely(__pyx_skip_dispatch)) ;
  /* Check if overridden in Python */
  else if (unlikely(Py_TYPE(((PyObject *)__pyx_v_self))->tp_dictoffset != 0)) {
    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_txn_id); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 649, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_1);
    if (!PyCFunction_Check(__pyx_t_1) || (PyCFunction_GET_FUNCTION(__pyx_t_1) != (PyCFunction)__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_32txn_id)) {
      __Pyx_INCREF(__pyx_t_1);
      __pyx_t_3 = __pyx_t_1; __pyx_t_4 = NULL;
      if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_3))) {
        __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_3);
        if (likely(__pyx_t_4)) {
          PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_3);
          __Pyx_INCREF(__pyx_t_4);
          __Pyx_INCREF(function);
          __Pyx_DECREF_SET(__pyx_t_3, function);
        }
      }
      if (__pyx_t_4) {
        __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_t_3, __pyx_t_4); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 649, __pyx_L1_error)
        __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      } else {
        __pyx_t_2 = __Pyx_PyObject_CallNoArg(__pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 649, __pyx_L1_error)
      }
      __Pyx_GOTREF(__pyx_t_2);
      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
      __pyx_t_5 = __Pyx_PyInt_As_int(__pyx_t_2); if (unlikely((__pyx_t_5 == (int)-1) && PyErr_Occurred())) __PYX_ERR(0, 649, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
      __pyx_r = __pyx_t_5;
      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
      goto __pyx_L0;
    }
    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":650
 * 
 *     cpdef int txn_id(self):
 *         return self._txn_id()             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_t_6 = ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self->__pyx_vtab)->_txn_id(__pyx_v_self); if (unlikely(__pyx_t_6 == ((size_t)-1L))) __PYX_ERR(0, 650, __pyx_L1_error)
  __pyx_r = __pyx_t_6;
  goto __pyx_L0;

  /* "lakesuperior/store/base_lmdb_store.pyx":649
 * 
 * 
 *     cpdef int txn_id(self):             # <<<<<<<<<<<<<<
 *         return self._txn_id()
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_WriteUnraisable("lakesuperior.store.base_lmdb_store.BaseLmdbStore.txn_id", __pyx_clineno, __pyx_lineno, __pyx_filename, 1, 0);
  __pyx_r = 0;
  __pyx_L0:;
  __Pyx_TraceReturn(Py_None, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* Python wrapper */
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_32txn_id(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused); /*proto*/
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_32txn_id(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("txn_id (wrapper)", 0);
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_31txn_id(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_31txn_id(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  __Pyx_RefNannySetupContext("txn_id", 0);
  __Pyx_TraceCall("txn_id (wrapper)", __pyx_f[0], 649, 0, __PYX_ERR(0, 649, __pyx_L1_error));
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = __Pyx_PyInt_From_int(__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_txn_id(__pyx_v_self, 1)); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 649, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.txn_id", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pyx":653
 * 
 * 
 *     cdef size_t _txn_id(self) except -1:             # <<<<<<<<<<<<<<
 *         return lmdb.mdb_txn_id(self.txn)
 * 
 */

static size_t __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__txn_id(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self) {
  size_t __pyx_r;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("_txn_id", 0);
  __Pyx_TraceCall("_txn_id", __pyx_f[0], 653, 0, __PYX_ERR(0, 653, __pyx_L1_error));

  /* "lakesuperior/store/base_lmdb_store.pyx":654
 * 
 *     cdef size_t _txn_id(self) except -1:
 *         return lmdb.mdb_txn_id(self.txn)             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_r = mdb_txn_id(__pyx_v_self->txn);
  goto __pyx_L0;

  /* "lakesuperior/store/base_lmdb_store.pyx":653
 * 
 * 
 *     cdef size_t _txn_id(self) except -1:             # <<<<<<<<<<<<<<
 *         return lmdb.mdb_txn_id(self.txn)
 * 
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore._txn_id", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = -1L;
  __pyx_L0:;
  __Pyx_TraceReturn(Py_None, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pyx":657
 * 
 * 
 *     cdef lmdb.MDB_dbi get_dbi(             # <<<<<<<<<<<<<<
 *             self, unsigned char *dblabel=NULL, lmdb.MDB_txn *txn=NULL):
 *         """
 */

static MDB_dbi __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_dbi(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_dbi *__pyx_optional_args) {

  /* "lakesuperior/store/base_lmdb_store.pyx":658
 * 
 *     cdef lmdb.MDB_dbi get_dbi(
 *             self, unsigned char *dblabel=NULL, lmdb.MDB_txn *txn=NULL):             # <<<<<<<<<<<<<<
 *         """
 *         Return a DB handle by database name.
 */
  unsigned char *__pyx_v_dblabel = ((unsigned char *)NULL);
  MDB_txn *__pyx_v_txn = ((MDB_txn *)NULL);
  size_t __pyx_v_dbidx;
  MDB_dbi __pyx_r;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  MDB_txn *__pyx_t_2;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  size_t __pyx_t_5;
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  PyObject *__pyx_t_8 = NULL;
  size_t __pyx_t_9;
  __Pyx_RefNannySetupContext("get_dbi", 0);
  __Pyx_TraceCall("get_dbi", __pyx_f[0], 657, 0, __PYX_ERR(0, 657, __pyx_L1_error));
  if (__pyx_optional_args) {
    if (__pyx_optional_args->__pyx_n > 0) {
      __pyx_v_dblabel = __pyx_optional_args->dblabel;
      if (__pyx_optional_args->__pyx_n > 1) {
        __pyx_v_txn = __pyx_optional_args->txn;
      }
    }
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":664
 *         cdef size_t dbidx
 * 
 *         if txn is NULL:             # <<<<<<<<<<<<<<
 *             txn = self.txn
 * 
 */
  __pyx_t_1 = ((__pyx_v_txn == NULL) != 0);
  if (__pyx_t_1) {

    /* "lakesuperior/store/base_lmdb_store.pyx":665
 * 
 *         if txn is NULL:
 *             txn = self.txn             # <<<<<<<<<<<<<<
 * 
 *         if dblabel is NULL:
 */
    __pyx_t_2 = __pyx_v_self->txn;
    __pyx_v_txn = __pyx_t_2;

    /* "lakesuperior/store/base_lmdb_store.pyx":664
 *         cdef size_t dbidx
 * 
 *         if txn is NULL:             # <<<<<<<<<<<<<<
 *             txn = self.txn
 * 
 */
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":667
 *             txn = self.txn
 * 
 *         if dblabel is NULL:             # <<<<<<<<<<<<<<
 *             logger.debug('Getting DBI without label.')
 *         dbidx = (
 */
  __pyx_t_1 = ((__pyx_v_dblabel == NULL) != 0);
  if (__pyx_t_1) {

    /* "lakesuperior/store/base_lmdb_store.pyx":668
 * 
 *         if dblabel is NULL:
 *             logger.debug('Getting DBI without label.')             # <<<<<<<<<<<<<<
 *         dbidx = (
 *                 0 if dblabel is NULL
 */
    __pyx_t_3 = __Pyx_GetModuleGlobalName(__pyx_n_s_logger); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 668, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_t_3, __pyx_n_s_debug); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 668, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_tuple__19, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 668, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_3);
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

    /* "lakesuperior/store/base_lmdb_store.pyx":667
 *             txn = self.txn
 * 
 *         if dblabel is NULL:             # <<<<<<<<<<<<<<
 *             logger.debug('Getting DBI without label.')
 *         dbidx = (
 */
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":670
 *             logger.debug('Getting DBI without label.')
 *         dbidx = (
 *                 0 if dblabel is NULL             # <<<<<<<<<<<<<<
 *                 else self.dbi_labels.index(dblabel.decode()))
 *         #logger.debug(
 */
  if (((__pyx_v_dblabel == NULL) != 0)) {
    __pyx_t_5 = 0;
  } else {

    /* "lakesuperior/store/base_lmdb_store.pyx":671
 *         dbidx = (
 *                 0 if dblabel is NULL
 *                 else self.dbi_labels.index(dblabel.decode()))             # <<<<<<<<<<<<<<
 *         #logger.debug(
 *         #        f'Got DBI {self.dbis[dbidx]} with label {dblabel} '
 */
    __pyx_t_4 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_dbi_labels); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 671, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __pyx_t_6 = __Pyx_PyObject_GetAttrStr(__pyx_t_4, __pyx_n_s_index); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 671, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_6);
    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
    __pyx_t_4 = __Pyx_decode_c_string(((char const *)__pyx_v_dblabel), 0, strlen(((char const *)__pyx_v_dblabel)), NULL, NULL, NULL); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 671, __pyx_L1_error)
    __Pyx_GOTREF(__pyx_t_4);
    __pyx_t_7 = NULL;
    if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_6))) {
      __pyx_t_7 = PyMethod_GET_SELF(__pyx_t_6);
      if (likely(__pyx_t_7)) {
        PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_6);
        __Pyx_INCREF(__pyx_t_7);
        __Pyx_INCREF(function);
        __Pyx_DECREF_SET(__pyx_t_6, function);
      }
    }
    if (!__pyx_t_7) {
      __pyx_t_3 = __Pyx_PyObject_CallOneArg(__pyx_t_6, __pyx_t_4); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 671, __pyx_L1_error)
      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      __Pyx_GOTREF(__pyx_t_3);
    } else {
      #if CYTHON_FAST_PYCALL
      if (PyFunction_Check(__pyx_t_6)) {
        PyObject *__pyx_temp[2] = {__pyx_t_7, __pyx_t_4};
        __pyx_t_3 = __Pyx_PyFunction_FastCall(__pyx_t_6, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 671, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
        __Pyx_GOTREF(__pyx_t_3);
        __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      } else
      #endif
      #if CYTHON_FAST_PYCCALL
      if (__Pyx_PyFastCFunction_Check(__pyx_t_6)) {
        PyObject *__pyx_temp[2] = {__pyx_t_7, __pyx_t_4};
        __pyx_t_3 = __Pyx_PyCFunction_FastCall(__pyx_t_6, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 671, __pyx_L1_error)
        __Pyx_XDECREF(__pyx_t_7); __pyx_t_7 = 0;
        __Pyx_GOTREF(__pyx_t_3);
        __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
      } else
      #endif
      {
        __pyx_t_8 = PyTuple_New(1+1); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 671, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_8);
        __Pyx_GIVEREF(__pyx_t_7); PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_t_7); __pyx_t_7 = NULL;
        __Pyx_GIVEREF(__pyx_t_4);
        PyTuple_SET_ITEM(__pyx_t_8, 0+1, __pyx_t_4);
        __pyx_t_4 = 0;
        __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_6, __pyx_t_8, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 671, __pyx_L1_error)
        __Pyx_GOTREF(__pyx_t_3);
        __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
      }
    }
    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    __pyx_t_9 = __Pyx_PyInt_As_size_t(__pyx_t_3); if (unlikely((__pyx_t_9 == (size_t)-1) && PyErr_Occurred())) __PYX_ERR(0, 671, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
    __pyx_t_5 = __pyx_t_9;
  }
  __pyx_v_dbidx = __pyx_t_5;

  /* "lakesuperior/store/base_lmdb_store.pyx":676
 *         #        f'and index #{dbidx}')
 * 
 *         return self.dbis[dbidx]             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_r = (__pyx_v_self->dbis[__pyx_v_dbidx]);
  goto __pyx_L0;

  /* "lakesuperior/store/base_lmdb_store.pyx":657
 * 
 * 
 *     cdef lmdb.MDB_dbi get_dbi(             # <<<<<<<<<<<<<<
 *             self, unsigned char *dblabel=NULL, lmdb.MDB_txn *txn=NULL):
 *         """
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_XDECREF(__pyx_t_8);
  __Pyx_WriteUnraisable("lakesuperior.store.base_lmdb_store.BaseLmdbStore.get_dbi", __pyx_clineno, __pyx_lineno, __pyx_filename, 1, 0);
  __pyx_r = 0;
  __pyx_L0:;
  __Pyx_TraceReturn(Py_None, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pyx":679
 * 
 * 
 *     cdef lmdb.MDB_cursor *_cur_open(             # <<<<<<<<<<<<<<
 *             self, unsigned char *dblabel=NULL, lmdb.MDB_txn *txn=NULL) except *:
 *         cdef:
 */

static MDB_cursor *__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__cur_open(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__cur_open *__pyx_optional_args) {

  /* "lakesuperior/store/base_lmdb_store.pyx":680
 * 
 *     cdef lmdb.MDB_cursor *_cur_open(
 *             self, unsigned char *dblabel=NULL, lmdb.MDB_txn *txn=NULL) except *:             # <<<<<<<<<<<<<<
 *         cdef:
 *             lmdb.MDB_dbi dbi
 */
  unsigned char *__pyx_v_dblabel = ((unsigned char *)NULL);
  MDB_txn *__pyx_v_txn = ((MDB_txn *)NULL);
  MDB_dbi __pyx_v_dbi;
  MDB_cursor *__pyx_r;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  MDB_txn *__pyx_t_2;
  MDB_dbi __pyx_t_3;
  struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_dbi __pyx_t_4;
  PyObject *__pyx_t_5 = NULL;
  PyObject *__pyx_t_6 = NULL;
  PyObject *__pyx_t_7 = NULL;
  Py_ssize_t __pyx_t_8;
  Py_UCS4 __pyx_t_9;
  PyObject *__pyx_t_10 = NULL;
  PyObject *__pyx_t_11 = NULL;
  struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store__check __pyx_t_12;
  PyObject *__pyx_t_13 = NULL;
  PyObject *__pyx_t_14 = NULL;
  __Pyx_RefNannySetupContext("_cur_open", 0);
  __Pyx_TraceCall("_cur_open", __pyx_f[0], 679, 0, __PYX_ERR(0, 679, __pyx_L1_error));
  if (__pyx_optional_args) {
    if (__pyx_optional_args->__pyx_n > 0) {
      __pyx_v_dblabel = __pyx_optional_args->dblabel;
      if (__pyx_optional_args->__pyx_n > 1) {
        __pyx_v_txn = __pyx_optional_args->txn;
      }
    }
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":684
 *             lmdb.MDB_dbi dbi
 * 
 *         if txn is NULL:             # <<<<<<<<<<<<<<
 *             txn = self.txn
 * 
 */
  __pyx_t_1 = ((__pyx_v_txn == NULL) != 0);
  if (__pyx_t_1) {

    /* "lakesuperior/store/base_lmdb_store.pyx":685
 * 
 *         if txn is NULL:
 *             txn = self.txn             # <<<<<<<<<<<<<<
 * 
 *         dbi = self.get_dbi(dblabel, txn=txn)
 */
    __pyx_t_2 = __pyx_v_self->txn;
    __pyx_v_txn = __pyx_t_2;

    /* "lakesuperior/store/base_lmdb_store.pyx":684
 *             lmdb.MDB_dbi dbi
 * 
 *         if txn is NULL:             # <<<<<<<<<<<<<<
 *             txn = self.txn
 * 
 */
  }

  /* "lakesuperior/store/base_lmdb_store.pyx":687
 *             txn = self.txn
 * 
 *         dbi = self.get_dbi(dblabel, txn=txn)             # <<<<<<<<<<<<<<
 * 
 *         logger.debug(f'Opening cursor for DB {dblabel} (DBI {dbi})...')
 */
  __pyx_t_4.__pyx_n = 2;
  __pyx_t_4.dblabel = __pyx_v_dblabel;
  __pyx_t_4.txn = __pyx_v_txn;
  __pyx_t_3 = ((struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self->__pyx_vtab)->get_dbi(__pyx_v_self, &__pyx_t_4); 
  __pyx_v_dbi = __pyx_t_3;

  /* "lakesuperior/store/base_lmdb_store.pyx":689
 *         dbi = self.get_dbi(dblabel, txn=txn)
 * 
 *         logger.debug(f'Opening cursor for DB {dblabel} (DBI {dbi})...')             # <<<<<<<<<<<<<<
 *         #try:
 *         #    # FIXME Either reuse the cursor, if it works, or remove this code.
 */
  __pyx_t_6 = __Pyx_GetModuleGlobalName(__pyx_n_s_logger); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 689, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_6);
  __pyx_t_7 = __Pyx_PyObject_GetAttrStr(__pyx_t_6, __pyx_n_s_debug); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 689, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_7);
  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
  __pyx_t_6 = PyTuple_New(5); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 689, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_6);
  __pyx_t_8 = 0;
  __pyx_t_9 = 127;
  __Pyx_INCREF(__pyx_kp_u_Opening_cursor_for_DB);
  __pyx_t_8 += 22;
  __Pyx_GIVEREF(__pyx_kp_u_Opening_cursor_for_DB);
  PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_kp_u_Opening_cursor_for_DB);
  __pyx_t_10 = __Pyx_PyBytes_FromCString(__pyx_v_dblabel); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 689, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_10);
  __pyx_t_11 = __Pyx_PyObject_FormatSimple(__pyx_t_10, __pyx_empty_unicode); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 689, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_11);
  __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
  __pyx_t_9 = (__Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_11) > __pyx_t_9) ? __Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_11) : __pyx_t_9;
  __pyx_t_8 += __Pyx_PyUnicode_GET_LENGTH(__pyx_t_11);
  __Pyx_GIVEREF(__pyx_t_11);
  PyTuple_SET_ITEM(__pyx_t_6, 1, __pyx_t_11);
  __pyx_t_11 = 0;
  __Pyx_INCREF(__pyx_kp_u_DBI);
  __pyx_t_8 += 6;
  __Pyx_GIVEREF(__pyx_kp_u_DBI);
  PyTuple_SET_ITEM(__pyx_t_6, 2, __pyx_kp_u_DBI);
  __pyx_t_11 = __Pyx_PyInt_From_MDB_dbi(__pyx_v_dbi); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 689, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_11);
  __pyx_t_10 = __Pyx_PyObject_FormatSimple(__pyx_t_11, __pyx_empty_unicode); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 689, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_10);
  __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
  __pyx_t_9 = (__Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_10) > __pyx_t_9) ? __Pyx_PyUnicode_MAX_CHAR_VALUE(__pyx_t_10) : __pyx_t_9;
  __pyx_t_8 += __Pyx_PyUnicode_GET_LENGTH(__pyx_t_10);
  __Pyx_GIVEREF(__pyx_t_10);
  PyTuple_SET_ITEM(__pyx_t_6, 3, __pyx_t_10);
  __pyx_t_10 = 0;
  __Pyx_INCREF(__pyx_kp_u__20);
  __pyx_t_8 += 4;
  __Pyx_GIVEREF(__pyx_kp_u__20);
  PyTuple_SET_ITEM(__pyx_t_6, 4, __pyx_kp_u__20);
  __pyx_t_10 = __Pyx_PyUnicode_Join(__pyx_t_6, 5, __pyx_t_8, __pyx_t_9); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 689, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_10);
  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
  __pyx_t_6 = NULL;
  if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_7))) {
    __pyx_t_6 = PyMethod_GET_SELF(__pyx_t_7);
    if (likely(__pyx_t_6)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_7);
      __Pyx_INCREF(__pyx_t_6);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_7, function);
    }
  }
  if (!__pyx_t_6) {
    __pyx_t_5 = __Pyx_PyObject_CallOneArg(__pyx_t_7, __pyx_t_10); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 689, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
    __Pyx_GOTREF(__pyx_t_5);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_7)) {
      PyObject *__pyx_temp[2] = {__pyx_t_6, __pyx_t_10};
      __pyx_t_5 = __Pyx_PyFunction_FastCall(__pyx_t_7, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 689, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_7)) {
      PyObject *__pyx_temp[2] = {__pyx_t_6, __pyx_t_10};
      __pyx_t_5 = __Pyx_PyCFunction_FastCall(__pyx_t_7, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 689, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_6); __pyx_t_6 = 0;
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
    } else
    #endif
    {
      __pyx_t_11 = PyTuple_New(1+1); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 689, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_11);
      __Pyx_GIVEREF(__pyx_t_6); PyTuple_SET_ITEM(__pyx_t_11, 0, __pyx_t_6); __pyx_t_6 = NULL;
      __Pyx_GIVEREF(__pyx_t_10);
      PyTuple_SET_ITEM(__pyx_t_11, 0+1, __pyx_t_10);
      __pyx_t_10 = 0;
      __pyx_t_5 = __Pyx_PyObject_Call(__pyx_t_7, __pyx_t_11, NULL); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 689, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":701
 *         _check(
 *                 lmdb.mdb_cursor_open(txn, dbi, self.curs + dbi),
 *                 f'Error opening cursor: {dblabel}')             # <<<<<<<<<<<<<<
 *         logger.debug('...opened @ {:x}.'.format(<unsigned long>self.curs[dbi]))
 * 
 */
  __pyx_t_5 = __Pyx_PyBytes_FromCString(__pyx_v_dblabel); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 701, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_5);
  __pyx_t_7 = __Pyx_PyObject_FormatSimple(__pyx_t_5, __pyx_empty_unicode); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 701, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_7);
  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
  __pyx_t_5 = __Pyx_PyUnicode_Concat(__pyx_kp_u_Error_opening_cursor, __pyx_t_7); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 701, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_5);
  __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":699
 *         #            f'Error opening cursor: {dblabel}')
 *         #    logger.debug(f'Created brand new cursor for DBI {dbi}.')
 *         _check(             # <<<<<<<<<<<<<<
 *                 lmdb.mdb_cursor_open(txn, dbi, self.curs + dbi),
 *                 f'Error opening cursor: {dblabel}')
 */
  __pyx_t_12.__pyx_n = 1;
  __pyx_t_12.message = ((PyObject*)__pyx_t_5);
  __pyx_f_12lakesuperior_5store_15base_lmdb_store__check(mdb_cursor_open(__pyx_v_txn, __pyx_v_dbi, (__pyx_v_self->curs + __pyx_v_dbi)), &__pyx_t_12); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 699, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":702
 *                 lmdb.mdb_cursor_open(txn, dbi, self.curs + dbi),
 *                 f'Error opening cursor: {dblabel}')
 *         logger.debug('...opened @ {:x}.'.format(<unsigned long>self.curs[dbi]))             # <<<<<<<<<<<<<<
 * 
 *         return self.curs[dbi]
 */
  __pyx_t_7 = __Pyx_GetModuleGlobalName(__pyx_n_s_logger); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 702, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_7);
  __pyx_t_11 = __Pyx_PyObject_GetAttrStr(__pyx_t_7, __pyx_n_s_debug); if (unlikely(!__pyx_t_11)) __PYX_ERR(0, 702, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_11);
  __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
  __pyx_t_10 = __Pyx_PyObject_GetAttrStr(__pyx_kp_u_opened_x, __pyx_n_s_format); if (unlikely(!__pyx_t_10)) __PYX_ERR(0, 702, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_10);
  __pyx_t_6 = __Pyx_PyInt_From_unsigned_long(((unsigned long)(__pyx_v_self->curs[__pyx_v_dbi]))); if (unlikely(!__pyx_t_6)) __PYX_ERR(0, 702, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_6);
  __pyx_t_13 = NULL;
  if (CYTHON_UNPACK_METHODS && likely(PyMethod_Check(__pyx_t_10))) {
    __pyx_t_13 = PyMethod_GET_SELF(__pyx_t_10);
    if (likely(__pyx_t_13)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_10);
      __Pyx_INCREF(__pyx_t_13);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_10, function);
    }
  }
  if (!__pyx_t_13) {
    __pyx_t_7 = __Pyx_PyObject_CallOneArg(__pyx_t_10, __pyx_t_6); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 702, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    __Pyx_GOTREF(__pyx_t_7);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_10)) {
      PyObject *__pyx_temp[2] = {__pyx_t_13, __pyx_t_6};
      __pyx_t_7 = __Pyx_PyFunction_FastCall(__pyx_t_10, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 702, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_13); __pyx_t_13 = 0;
      __Pyx_GOTREF(__pyx_t_7);
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_10)) {
      PyObject *__pyx_temp[2] = {__pyx_t_13, __pyx_t_6};
      __pyx_t_7 = __Pyx_PyCFunction_FastCall(__pyx_t_10, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 702, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_13); __pyx_t_13 = 0;
      __Pyx_GOTREF(__pyx_t_7);
      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
    } else
    #endif
    {
      __pyx_t_14 = PyTuple_New(1+1); if (unlikely(!__pyx_t_14)) __PYX_ERR(0, 702, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_14);
      __Pyx_GIVEREF(__pyx_t_13); PyTuple_SET_ITEM(__pyx_t_14, 0, __pyx_t_13); __pyx_t_13 = NULL;
      __Pyx_GIVEREF(__pyx_t_6);
      PyTuple_SET_ITEM(__pyx_t_14, 0+1, __pyx_t_6);
      __pyx_t_6 = 0;
      __pyx_t_7 = __Pyx_PyObject_Call(__pyx_t_10, __pyx_t_14, NULL); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 702, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_7);
      __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
  __pyx_t_10 = NULL;
  if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_11))) {
    __pyx_t_10 = PyMethod_GET_SELF(__pyx_t_11);
    if (likely(__pyx_t_10)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_11);
      __Pyx_INCREF(__pyx_t_10);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_11, function);
    }
  }
  if (!__pyx_t_10) {
    __pyx_t_5 = __Pyx_PyObject_CallOneArg(__pyx_t_11, __pyx_t_7); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 702, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    __Pyx_GOTREF(__pyx_t_5);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_11)) {
      PyObject *__pyx_temp[2] = {__pyx_t_10, __pyx_t_7};
      __pyx_t_5 = __Pyx_PyFunction_FastCall(__pyx_t_11, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 702, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_10); __pyx_t_10 = 0;
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_11)) {
      PyObject *__pyx_temp[2] = {__pyx_t_10, __pyx_t_7};
      __pyx_t_5 = __Pyx_PyCFunction_FastCall(__pyx_t_11, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 702, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_10); __pyx_t_10 = 0;
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
    } else
    #endif
    {
      __pyx_t_14 = PyTuple_New(1+1); if (unlikely(!__pyx_t_14)) __PYX_ERR(0, 702, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_14);
      __Pyx_GIVEREF(__pyx_t_10); PyTuple_SET_ITEM(__pyx_t_14, 0, __pyx_t_10); __pyx_t_10 = NULL;
      __Pyx_GIVEREF(__pyx_t_7);
      PyTuple_SET_ITEM(__pyx_t_14, 0+1, __pyx_t_7);
      __pyx_t_7 = 0;
      __pyx_t_5 = __Pyx_PyObject_Call(__pyx_t_11, __pyx_t_14, NULL); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 702, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":704
 *         logger.debug('...opened @ {:x}.'.format(<unsigned long>self.curs[dbi]))
 * 
 *         return self.curs[dbi]             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_r = (__pyx_v_self->curs[__pyx_v_dbi]);
  goto __pyx_L0;

  /* "lakesuperior/store/base_lmdb_store.pyx":679
 * 
 * 
 *     cdef lmdb.MDB_cursor *_cur_open(             # <<<<<<<<<<<<<<
 *             self, unsigned char *dblabel=NULL, lmdb.MDB_txn *txn=NULL) except *:
 *         cdef:
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_5);
  __Pyx_XDECREF(__pyx_t_6);
  __Pyx_XDECREF(__pyx_t_7);
  __Pyx_XDECREF(__pyx_t_10);
  __Pyx_XDECREF(__pyx_t_11);
  __Pyx_XDECREF(__pyx_t_13);
  __Pyx_XDECREF(__pyx_t_14);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore._cur_open", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = 0;
  __pyx_L0:;
  __Pyx_TraceReturn(Py_None, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pyx":707
 * 
 * 
 *     cdef void _cur_close(self, lmdb.MDB_cursor *cur) except *:             # <<<<<<<<<<<<<<
 *         """Close a cursor."""
 *         #logger.info('Closing cursor @ {:x} for DBI {}...'.format(
 */

static void __pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__cur_close(CYTHON_UNUSED struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, MDB_cursor *__pyx_v_cur) {
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("_cur_close", 0);
  __Pyx_TraceCall("_cur_close", __pyx_f[0], 707, 0, __PYX_ERR(0, 707, __pyx_L1_error));

  /* "lakesuperior/store/base_lmdb_store.pyx":711
 *         #logger.info('Closing cursor @ {:x} for DBI {}...'.format(
 *         #    <unsigned long>cur, lmdb.mdb_cursor_dbi(cur) ))
 *         lmdb.mdb_cursor_close(cur)             # <<<<<<<<<<<<<<
 *         #logger.info('...closed.')
 * 
 */
  mdb_cursor_close(__pyx_v_cur);

  /* "lakesuperior/store/base_lmdb_store.pyx":707
 * 
 * 
 *     cdef void _cur_close(self, lmdb.MDB_cursor *cur) except *:             # <<<<<<<<<<<<<<
 *         """Close a cursor."""
 *         #logger.info('Closing cursor @ {:x} for DBI {}...'.format(
 */

  /* function exit code */
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore._cur_close", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_L0:;
  __Pyx_TraceReturn(Py_None, 0);
  __Pyx_RefNannyFinishContext();
}

/* "lakesuperior/store/base_lmdb_store.pxd":15
 * cdef class BaseLmdbStore:
 *     cdef:
 *         readonly bint is_txn_open             # <<<<<<<<<<<<<<
 *         public bint _open
 *         unsigned int _readers
 */

/* Python wrapper */
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_11is_txn_open_1__get__(PyObject *__pyx_v_self); /*proto*/
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_11is_txn_open_1__get__(PyObject *__pyx_v_self) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_11is_txn_open___get__(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_11is_txn_open___get__(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  __Pyx_RefNannySetupContext("__get__", 0);
  __Pyx_TraceCall("__get__", __pyx_f[2], 15, 0, __PYX_ERR(2, 15, __pyx_L1_error));
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = __Pyx_PyBool_FromLong(__pyx_v_self->is_txn_open); if (unlikely(!__pyx_t_1)) __PYX_ERR(2, 15, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.is_txn_open.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pxd":16
 *     cdef:
 *         readonly bint is_txn_open
 *         public bint _open             # <<<<<<<<<<<<<<
 *         unsigned int _readers
 *         readonly str env_path
 */

/* Python wrapper */
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_5_open_1__get__(PyObject *__pyx_v_self); /*proto*/
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_5_open_1__get__(PyObject *__pyx_v_self) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_5_open___get__(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_5_open___get__(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  __Pyx_RefNannySetupContext("__get__", 0);
  __Pyx_TraceCall("__get__", __pyx_f[2], 16, 0, __PYX_ERR(2, 16, __pyx_L1_error));
  __Pyx_XDECREF(__pyx_r);
  __pyx_t_1 = __Pyx_PyBool_FromLong(__pyx_v_self->_open); if (unlikely(!__pyx_t_1)) __PYX_ERR(2, 16, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_r = __pyx_t_1;
  __pyx_t_1 = 0;
  goto __pyx_L0;

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore._open.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* Python wrapper */
static int __pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_5_open_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value); /*proto*/
static int __pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_5_open_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value) {
  int __pyx_r;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__set__ (wrapper)", 0);
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_5_open_2__set__(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self), ((PyObject *)__pyx_v_value));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static int __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_5_open_2__set__(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, PyObject *__pyx_v_value) {
  int __pyx_r;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  int __pyx_t_1;
  __Pyx_RefNannySetupContext("__set__", 0);
  __Pyx_TraceCall("__set__", __pyx_f[2], 16, 0, __PYX_ERR(2, 16, __pyx_L1_error));
  __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_v_value); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) __PYX_ERR(2, 16, __pyx_L1_error)
  __pyx_v_self->_open = __pyx_t_1;

  /* function exit code */
  __pyx_r = 0;
  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore._open.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = -1;
  __pyx_L0:;
  __Pyx_TraceReturn(Py_None, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "lakesuperior/store/base_lmdb_store.pxd":18
 *         public bint _open
 *         unsigned int _readers
 *         readonly str env_path             # <<<<<<<<<<<<<<
 *         lmdb.MDB_dbi *dbis
 *         lmdb.MDB_env *dbenv
 */

/* Python wrapper */
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_8env_path_1__get__(PyObject *__pyx_v_self); /*proto*/
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_8env_path_1__get__(PyObject *__pyx_v_self) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_8env_path___get__(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_8env_path___get__(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__get__", 0);
  __Pyx_TraceCall("__get__", __pyx_f[2], 18, 0, __PYX_ERR(2, 18, __pyx_L1_error));
  __Pyx_XDECREF(__pyx_r);
  __Pyx_INCREF(__pyx_v_self->env_path);
  __pyx_r = __pyx_v_self->env_path;
  goto __pyx_L0;

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.env_path.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __pyx_L0:;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "(tree fragment)":1
 * def __reduce_cython__(self):             # <<<<<<<<<<<<<<
 *     raise TypeError("self.curs,self.dbenv,self.dbis,self.txn cannot be converted to a Python object for pickling")
 * def __setstate_cython__(self, __pyx_state):
 */

/* Python wrapper */
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_34__reduce_cython__(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused); /*proto*/
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_34__reduce_cython__(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__reduce_cython__ (wrapper)", 0);
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_33__reduce_cython__(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_33__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self) {
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  __Pyx_RefNannySetupContext("__reduce_cython__", 0);
  __Pyx_TraceCall("__reduce_cython__", __pyx_f[1], 1, 0, __PYX_ERR(1, 1, __pyx_L1_error));

  /* "(tree fragment)":2
 * def __reduce_cython__(self):
 *     raise TypeError("self.curs,self.dbenv,self.dbis,self.txn cannot be converted to a Python object for pickling")             # <<<<<<<<<<<<<<
 * def __setstate_cython__(self, __pyx_state):
 *     raise TypeError("self.curs,self.dbenv,self.dbis,self.txn cannot be converted to a Python object for pickling")
 */
  __pyx_t_1 = __Pyx_PyObject_Call(__pyx_builtin_TypeError, __pyx_tuple__21, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 2, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_Raise(__pyx_t_1, 0, 0, 0);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __PYX_ERR(1, 2, __pyx_L1_error)

  /* "(tree fragment)":1
 * def __reduce_cython__(self):             # <<<<<<<<<<<<<<
 *     raise TypeError("self.curs,self.dbenv,self.dbis,self.txn cannot be converted to a Python object for pickling")
 * def __setstate_cython__(self, __pyx_state):
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.__reduce_cython__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

/* "(tree fragment)":3
 * def __reduce_cython__(self):
 *     raise TypeError("self.curs,self.dbenv,self.dbis,self.txn cannot be converted to a Python object for pickling")
 * def __setstate_cython__(self, __pyx_state):             # <<<<<<<<<<<<<<
 *     raise TypeError("self.curs,self.dbenv,self.dbis,self.txn cannot be converted to a Python object for pickling")
 */

/* Python wrapper */
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_36__setstate_cython__(PyObject *__pyx_v_self, PyObject *__pyx_v___pyx_state); /*proto*/
static PyObject *__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_36__setstate_cython__(PyObject *__pyx_v_self, PyObject *__pyx_v___pyx_state) {
  PyObject *__pyx_r = 0;
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__setstate_cython__ (wrapper)", 0);
  __pyx_r = __pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_35__setstate_cython__(((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)__pyx_v_self), ((PyObject *)__pyx_v___pyx_state));

  /* function exit code */
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}

static PyObject *__pyx_pf_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_35__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state) {
  PyObject *__pyx_r = NULL;
  __Pyx_TraceDeclarations
  __Pyx_RefNannyDeclarations
  PyObject *__pyx_t_1 = NULL;
  __Pyx_RefNannySetupContext("__setstate_cython__", 0);
  __Pyx_TraceCall("__setstate_cython__", __pyx_f[1], 3, 0, __PYX_ERR(1, 3, __pyx_L1_error));

  /* "(tree fragment)":4
 *     raise TypeError("self.curs,self.dbenv,self.dbis,self.txn cannot be converted to a Python object for pickling")
 * def __setstate_cython__(self, __pyx_state):
 *     raise TypeError("self.curs,self.dbenv,self.dbis,self.txn cannot be converted to a Python object for pickling")             # <<<<<<<<<<<<<<
 */
  __pyx_t_1 = __Pyx_PyObject_Call(__pyx_builtin_TypeError, __pyx_tuple__22, NULL); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 4, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_Raise(__pyx_t_1, 0, 0, 0);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __PYX_ERR(1, 4, __pyx_L1_error)

  /* "(tree fragment)":3
 * def __reduce_cython__(self):
 *     raise TypeError("self.curs,self.dbenv,self.dbis,self.txn cannot be converted to a Python object for pickling")
 * def __setstate_cython__(self, __pyx_state):             # <<<<<<<<<<<<<<
 *     raise TypeError("self.curs,self.dbenv,self.dbis,self.txn cannot be converted to a Python object for pickling")
 */

  /* function exit code */
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_AddTraceback("lakesuperior.store.base_lmdb_store.BaseLmdbStore.__setstate_cython__", __pyx_clineno, __pyx_lineno, __pyx_filename);
  __pyx_r = NULL;
  __Pyx_XGIVEREF(__pyx_r);
  __Pyx_TraceReturn(__pyx_r, 0);
  __Pyx_RefNannyFinishContext();
  return __pyx_r;
}
static struct __pyx_vtabstruct_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore __pyx_vtable_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore;

static PyObject *__pyx_tp_new_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
  struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *p;
  PyObject *o;
  if (likely((t->tp_flags & Py_TPFLAGS_IS_ABSTRACT) == 0)) {
    o = (*t->tp_alloc)(t, 0);
  } else {
    o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0);
  }
  if (unlikely(!o)) return 0;
  p = ((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)o);
  p->__pyx_vtab = __pyx_vtabptr_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore;
  p->env_path = ((PyObject*)Py_None); Py_INCREF(Py_None);
  return o;
}

static void __pyx_tp_dealloc_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore(PyObject *o) {
  struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *p = (struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *)o;
  #if CYTHON_USE_TP_FINALIZE
  if (unlikely(PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE) && Py_TYPE(o)->tp_finalize) && (!PyType_IS_GC(Py_TYPE(o)) || !_PyGC_FINALIZED(o))) {
    if (PyObject_CallFinalizerFromDealloc(o)) return;
  }
  #endif
  {
    PyObject *etype, *eval, *etb;
    PyErr_Fetch(&etype, &eval, &etb);
    ++Py_REFCNT(o);
    __pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_3__dealloc__(o);
    --Py_REFCNT(o);
    PyErr_Restore(etype, eval, etb);
  }
  Py_CLEAR(p->env_path);
  (*Py_TYPE(o)->tp_free)(o);
}

static PyObject *__pyx_getprop_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_is_open(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_7is_open_1__get__(o);
}

static PyObject *__pyx_getprop_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_readers(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_7readers_1__get__(o);
}

static PyObject *__pyx_getprop_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_is_txn_open(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_11is_txn_open_1__get__(o);
}

static PyObject *__pyx_getprop_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__open(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_5_open_1__get__(o);
}

static int __pyx_setprop_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__open(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
  if (v) {
    return __pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_5_open_3__set__(o, v);
  }
  else {
    PyErr_SetString(PyExc_NotImplementedError, "__del__");
    return -1;
  }
}

static PyObject *__pyx_getprop_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_env_path(PyObject *o, CYTHON_UNUSED void *x) {
  return __pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_8env_path_1__get__(o);
}

static PyMethodDef __pyx_methods_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore[] = {
  {"open_env", (PyCFunction)__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_5open_env, METH_O, __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_4open_env},
  {"close_env", (PyCFunction)__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_7close_env, METH_VARARGS|METH_KEYWORDS, 0},
  {"destroy", (PyCFunction)__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_9destroy, METH_VARARGS|METH_KEYWORDS, __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_8destroy},
  {"txn_ctx", (PyCFunction)__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_11txn_ctx, METH_VARARGS|METH_KEYWORDS, __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_10txn_ctx},
  {"begin", (PyCFunction)__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_14begin, METH_VARARGS|METH_KEYWORDS, __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_13begin},
  {"commit", (PyCFunction)__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_16commit, METH_NOARGS, __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_15commit},
  {"abort", (PyCFunction)__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_18abort, METH_NOARGS, __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_17abort},
  {"rollback", (PyCFunction)__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_20rollback, METH_NOARGS, __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_19rollback},
  {"key_exists", (PyCFunction)__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_22key_exists, METH_VARARGS|METH_KEYWORDS, __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_21key_exists},
  {"put", (PyCFunction)__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_24put, METH_VARARGS|METH_KEYWORDS, __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_23put},
  {"get_data", (PyCFunction)__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_26get_data, METH_VARARGS|METH_KEYWORDS, __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_25get_data},
  {"delete", (PyCFunction)__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_28delete, METH_VARARGS|METH_KEYWORDS, __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_27delete},
  {"stats", (PyCFunction)__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_30stats, METH_NOARGS, __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_29stats},
  {"txn_id", (PyCFunction)__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_32txn_id, METH_NOARGS, 0},
  {"__reduce_cython__", (PyCFunction)__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_34__reduce_cython__, METH_NOARGS, 0},
  {"__setstate_cython__", (PyCFunction)__pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_36__setstate_cython__, METH_O, 0},
  {0, 0, 0, 0}
};

static struct PyGetSetDef __pyx_getsets_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore[] = {
  {(char *)"is_open", __pyx_getprop_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_is_open, 0, (char *)0, 0},
  {(char *)"readers", __pyx_getprop_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_readers, 0, (char *)0, 0},
  {(char *)"is_txn_open", __pyx_getprop_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_is_txn_open, 0, (char *)0, 0},
  {(char *)"_open", __pyx_getprop_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__open, __pyx_setprop_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__open, (char *)0, 0},
  {(char *)"env_path", __pyx_getprop_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_env_path, 0, (char *)0, 0},
  {0, 0, 0, 0, 0}
};

static PyTypeObject __pyx_type_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore = {
  PyVarObject_HEAD_INIT(0, 0)
  "lakesuperior.store.base_lmdb_store.BaseLmdbStore", /*tp_name*/
  sizeof(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore, /*tp_dealloc*/
  0, /*tp_print*/
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #endif
  #if PY_MAJOR_VERSION >= 3
  0, /*tp_as_async*/
  #endif
  0, /*tp_repr*/
  0, /*tp_as_number*/
  0, /*tp_as_sequence*/
  0, /*tp_as_mapping*/
  0, /*tp_hash*/
  0, /*tp_call*/
  0, /*tp_str*/
  0, /*tp_getattro*/
  0, /*tp_setattro*/
  0, /*tp_as_buffer*/
  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
  "\n    Generic LMDB store abstract class.\n\n    This class contains convenience method to create an LMDB store for any\n    purpose and provides some convenience methods to wrap cursors and\n    transactions into contexts.\n\n    Example usage::\n\n        >>> class MyStore(BaseLmdbStore):\n        ...     path = '/base/store/path'\n        ...     dbi_flags = ('db1', 'db2')\n        ...\n        >>> ms = MyStore()\n        >>> # \"with\" wraps the operation in a transaction.\n        >>> with ms.cur(index='db1', write=True):\n        ...     cur.put(b'key1', b'val1')\n        True\n\n    ", /*tp_doc*/
  0, /*tp_traverse*/
  0, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  0, /*tp_iter*/
  0, /*tp_iternext*/
  __pyx_methods_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore, /*tp_methods*/
  0, /*tp_members*/
  __pyx_getsets_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore, /*tp_getset*/
  0, /*tp_base*/
  0, /*tp_dict*/
  0, /*tp_descr_get*/
  0, /*tp_descr_set*/
  0, /*tp_dictoffset*/
  __pyx_pw_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_1__init__, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
  0, /*tp_bases*/
  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
  0, /*tp_weaklist*/
  0, /*tp_del*/
  0, /*tp_version_tag*/
  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
};

static struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx *__pyx_freelist_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx[8];
static int __pyx_freecount_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx = 0;

static PyObject *__pyx_tp_new_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
  PyObject *o;
  if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx)))) {
    o = (PyObject*)__pyx_freelist_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx[--__pyx_freecount_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx];
    memset(o, 0, sizeof(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx));
    (void) PyObject_INIT(o, t);
    PyObject_GC_Track(o);
  } else {
    o = (*t->tp_alloc)(t, 0);
    if (unlikely(!o)) return 0;
  }
  return o;
}

static void __pyx_tp_dealloc_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx(PyObject *o) {
  struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx *p = (struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx *)o;
  PyObject_GC_UnTrack(o);
  Py_CLEAR(p->__pyx_v_self);
  Py_CLEAR(p->__pyx_v_write);
  Py_CLEAR(p->__pyx_t_0);
  Py_CLEAR(p->__pyx_t_1);
  Py_CLEAR(p->__pyx_t_2);
  if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx)))) {
    __pyx_freelist_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx[__pyx_freecount_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx++] = ((struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx *)o);
  } else {
    (*Py_TYPE(o)->tp_free)(o);
  }
}

static int __pyx_tp_traverse_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx(PyObject *o, visitproc v, void *a) {
  int e;
  struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx *p = (struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx *)o;
  if (p->__pyx_v_self) {
    e = (*v)(((PyObject *)p->__pyx_v_self), a); if (e) return e;
  }
  if (p->__pyx_v_write) {
    e = (*v)(p->__pyx_v_write, a); if (e) return e;
  }
  if (p->__pyx_t_0) {
    e = (*v)(p->__pyx_t_0, a); if (e) return e;
  }
  if (p->__pyx_t_1) {
    e = (*v)(p->__pyx_t_1, a); if (e) return e;
  }
  if (p->__pyx_t_2) {
    e = (*v)(p->__pyx_t_2, a); if (e) return e;
  }
  return 0;
}

static PyTypeObject __pyx_type_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx = {
  PyVarObject_HEAD_INIT(0, 0)
  "lakesuperior.store.base_lmdb_store.__pyx_scope_struct__txn_ctx", /*tp_name*/
  sizeof(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx), /*tp_basicsize*/
  0, /*tp_itemsize*/
  __pyx_tp_dealloc_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx, /*tp_dealloc*/
  0, /*tp_print*/
  0, /*tp_getattr*/
  0, /*tp_setattr*/
  #if PY_MAJOR_VERSION < 3
  0, /*tp_compare*/
  #endif
  #if PY_MAJOR_VERSION >= 3
  0, /*tp_as_async*/
  #endif
  0, /*tp_repr*/
  0, /*tp_as_number*/
  0, /*tp_as_sequence*/
  0, /*tp_as_mapping*/
  0, /*tp_hash*/
  0, /*tp_call*/
  0, /*tp_str*/
  0, /*tp_getattro*/
  0, /*tp_setattro*/
  0, /*tp_as_buffer*/
  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
  0, /*tp_doc*/
  __pyx_tp_traverse_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx, /*tp_traverse*/
  0, /*tp_clear*/
  0, /*tp_richcompare*/
  0, /*tp_weaklistoffset*/
  0, /*tp_iter*/
  0, /*tp_iternext*/
  0, /*tp_methods*/
  0, /*tp_members*/
  0, /*tp_getset*/
  0, /*tp_base*/
  0, /*tp_dict*/
  0, /*tp_descr_get*/
  0, /*tp_descr_set*/
  0, /*tp_dictoffset*/
  0, /*tp_init*/
  0, /*tp_alloc*/
  __pyx_tp_new_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx, /*tp_new*/
  0, /*tp_free*/
  0, /*tp_is_gc*/
  0, /*tp_bases*/
  0, /*tp_mro*/
  0, /*tp_cache*/
  0, /*tp_subclasses*/
  0, /*tp_weaklist*/
  0, /*tp_del*/
  0, /*tp_version_tag*/
  #if PY_VERSION_HEX >= 0x030400a1
  0, /*tp_finalize*/
  #endif
};

static PyMethodDef __pyx_methods[] = {
  {0, 0, 0, 0}
};

#if PY_MAJOR_VERSION >= 3
#if CYTHON_PEP489_MULTI_PHASE_INIT
static PyObject* __pyx_pymod_create(PyObject *spec, PyModuleDef *def); /*proto*/
static int __pyx_pymod_exec_base_lmdb_store(PyObject* module); /*proto*/
static PyModuleDef_Slot __pyx_moduledef_slots[] = {
  {Py_mod_create, (void*)__pyx_pymod_create},
  {Py_mod_exec, (void*)__pyx_pymod_exec_base_lmdb_store},
  {0, NULL}
};
#endif

static struct PyModuleDef __pyx_moduledef = {
    PyModuleDef_HEAD_INIT,
    "base_lmdb_store",
    0, /* m_doc */
  #if CYTHON_PEP489_MULTI_PHASE_INIT
    0, /* m_size */
  #else
    -1, /* m_size */
  #endif
    __pyx_methods /* m_methods */,
  #if CYTHON_PEP489_MULTI_PHASE_INIT
    __pyx_moduledef_slots, /* m_slots */
  #else
    NULL, /* m_reload */
  #endif
    NULL, /* m_traverse */
    NULL, /* m_clear */
    NULL /* m_free */
};
#endif

static __Pyx_StringTabEntry __pyx_string_tab[] = {
  {&__pyx_kp_u_, __pyx_k_, sizeof(__pyx_k_), 0, 1, 0, 0},
  {&__pyx_n_s_BaseLmdbStore_txn_ctx, __pyx_k_BaseLmdbStore_txn_ctx, sizeof(__pyx_k_BaseLmdbStore_txn_ctx), 0, 0, 1, 1},
  {&__pyx_kp_u_Cleaning_up_store_env, __pyx_k_Cleaning_up_store_env, sizeof(__pyx_k_Cleaning_up_store_env), 0, 1, 0, 0},
  {&__pyx_kp_u_Cleared_stale_readers, __pyx_k_Cleared_stale_readers, sizeof(__pyx_k_Cleared_stale_readers), 0, 1, 0, 0},
  {&__pyx_kp_u_Closing_store_env, __pyx_k_Closing_store_env, sizeof(__pyx_k_Closing_store_env), 0, 1, 0, 0},
  {&__pyx_kp_u_Could_not_create_store_at_Error, __pyx_k_Could_not_create_store_at_Error, sizeof(__pyx_k_Could_not_create_store_at_Error), 0, 1, 0, 0},
  {&__pyx_kp_u_Created_DB, __pyx_k_Created_DB, sizeof(__pyx_k_Created_DB), 0, 1, 0, 0},
  {&__pyx_kp_u_Created_DBenv_x, __pyx_k_Created_DBenv_x, sizeof(__pyx_k_Created_DBenv_x), 0, 1, 0, 0},
  {&__pyx_kp_u_Creating_DBs, __pyx_k_Creating_DBs, sizeof(__pyx_k_Creating_DBs), 0, 1, 0, 0},
  {&__pyx_kp_u_DBI, __pyx_k_DBI, sizeof(__pyx_k_DBI), 0, 1, 0, 0},
  {&__pyx_kp_u_DBenv_address_x, __pyx_k_DBenv_address_x, sizeof(__pyx_k_DBenv_address_x), 0, 1, 0, 0},
  {&__pyx_kp_u_Environment_already_open, __pyx_k_Environment_already_open, sizeof(__pyx_k_Environment_already_open), 0, 1, 0, 0},
  {&__pyx_kp_u_Error_creating_DB_environment_ha, __pyx_k_Error_creating_DB_environment_ha, sizeof(__pyx_k_Error_creating_DB_environment_ha), 0, 1, 0, 0},
  {&__pyx_kp_u_Error_getting_data_for_key, __pyx_k_Error_getting_data_for_key, sizeof(__pyx_k_Error_getting_data_for_key), 0, 1, 0, 0},
  {&__pyx_kp_u_Error_getting_datbase_stats, __pyx_k_Error_getting_datbase_stats, sizeof(__pyx_k_Error_getting_datbase_stats), 0, 1, 0, 0},
  {&__pyx_kp_u_Error_opening_cursor, __pyx_k_Error_opening_cursor, sizeof(__pyx_k_Error_opening_cursor), 0, 1, 0, 0},
  {&__pyx_kp_u_Error_opening_the_database_envir, __pyx_k_Error_opening_the_database_envir, sizeof(__pyx_k_Error_opening_the_database_envir), 0, 1, 0, 0},
  {&__pyx_kp_u_Error_opening_transaction, __pyx_k_Error_opening_transaction, sizeof(__pyx_k_Error_opening_transaction), 0, 1, 0, 0},
  {&__pyx_kp_u_Error_putting_data, __pyx_k_Error_putting_data, sizeof(__pyx_k_Error_putting_data), 0, 1, 0, 0},
  {&__pyx_kp_u_Error_setting_map_size, __pyx_k_Error_setting_map_size, sizeof(__pyx_k_Error_setting_map_size), 0, 1, 0, 0},
  {&__pyx_kp_u_Error_setting_max_databases, __pyx_k_Error_setting_max_databases, sizeof(__pyx_k_Error_setting_max_databases), 0, 1, 0, 0},
  {&__pyx_kp_u_Error_setting_max_readers, __pyx_k_Error_setting_max_readers, sizeof(__pyx_k_Error_setting_max_readers), 0, 1, 0, 0},
  {&__pyx_n_s_FileNotFoundError, __pyx_k_FileNotFoundError, sizeof(__pyx_k_FileNotFoundError), 0, 0, 1, 1},
  {&__pyx_kp_u_Getting_DBI_without_label, __pyx_k_Getting_DBI_without_label, sizeof(__pyx_k_Getting_DBI_without_label), 0, 1, 0, 0},
  {&__pyx_kp_u_Internal_error, __pyx_k_Internal_error, sizeof(__pyx_k_Internal_error), 0, 1, 0, 0},
  {&__pyx_n_s_KeyExistsError, __pyx_k_KeyExistsError, sizeof(__pyx_k_KeyExistsError), 0, 0, 1, 1},
  {&__pyx_n_s_KeyNotFoundError, __pyx_k_KeyNotFoundError, sizeof(__pyx_k_KeyNotFoundError), 0, 0, 1, 1},
  {&__pyx_kp_u_LMDB_Error, __pyx_k_LMDB_Error, sizeof(__pyx_k_LMDB_Error), 0, 1, 0, 0},
  {&__pyx_n_s_LmdbError, __pyx_k_LmdbError, sizeof(__pyx_k_LmdbError), 0, 0, 1, 1},
  {&__pyx_kp_u_Max_readers, __pyx_k_Max_readers, sizeof(__pyx_k_Max_readers), 0, 1, 0, 0},
  {&__pyx_n_s_MemoryError, __pyx_k_MemoryError, sizeof(__pyx_k_MemoryError), 0, 0, 1, 1},
  {&__pyx_kp_u_None, __pyx_k_None, sizeof(__pyx_k_None), 0, 1, 0, 0},
  {&__pyx_kp_u_Opened_transaction_x, __pyx_k_Opened_transaction_x, sizeof(__pyx_k_Opened_transaction_x), 0, 1, 0, 0},
  {&__pyx_kp_u_Opening_cursor_for_DB, __pyx_k_Opening_cursor_for_DB, sizeof(__pyx_k_Opening_cursor_for_DB), 0, 1, 0, 0},
  {&__pyx_kp_u_Opening_environment_at, __pyx_k_Opening_environment_at, sizeof(__pyx_k_Opening_environment_at), 0, 1, 0, 0},
  {&__pyx_kp_u_Opening_transaction_in_PID_threa, __pyx_k_Opening_transaction_in_PID_threa, sizeof(__pyx_k_Opening_transaction_in_PID_threa), 0, 1, 0, 0},
  {&__pyx_n_u_RO, __pyx_k_RO, sizeof(__pyx_k_RO), 0, 1, 0, 1},
  {&__pyx_n_u_RW, __pyx_k_RW, sizeof(__pyx_k_RW), 0, 1, 0, 1},
  {&__pyx_n_s_RuntimeError, __pyx_k_RuntimeError, sizeof(__pyx_k_RuntimeError), 0, 0, 1, 1},
  {&__pyx_kp_u_Store_is_not_open, __pyx_k_Store_is_not_open, sizeof(__pyx_k_Store_is_not_open), 0, 1, 0, 0},
  {&__pyx_kp_u_Store_must_be_opened_first, __pyx_k_Store_must_be_opened_first, sizeof(__pyx_k_Store_must_be_opened_first), 0, 1, 0, 0},
  {&__pyx_kp_u_Transaction_aborted, __pyx_k_Transaction_aborted, sizeof(__pyx_k_Transaction_aborted), 0, 1, 0, 0},
  {&__pyx_kp_u_Transaction_committed, __pyx_k_Transaction_committed, sizeof(__pyx_k_Transaction_committed), 0, 1, 0, 0},
  {&__pyx_kp_u_Transaction_is_already_active_No, __pyx_k_Transaction_is_already_active_No, sizeof(__pyx_k_Transaction_is_already_active_No), 0, 1, 0, 0},
  {&__pyx_n_s_TypeError, __pyx_k_TypeError, sizeof(__pyx_k_TypeError), 0, 0, 1, 1},
  {&__pyx_kp_u__20, __pyx_k__20, sizeof(__pyx_k__20), 0, 1, 0, 0},
  {&__pyx_kp_u__4, __pyx_k__4, sizeof(__pyx_k__4), 0, 1, 0, 0},
  {&__pyx_kp_u__6, __pyx_k__6, sizeof(__pyx_k__6), 0, 1, 0, 0},
  {&__pyx_n_s_abort, __pyx_k_abort, sizeof(__pyx_k_abort), 0, 0, 1, 1},
  {&__pyx_n_s_args, __pyx_k_args, sizeof(__pyx_k_args), 0, 0, 1, 1},
  {&__pyx_n_s_cline_in_traceback, __pyx_k_cline_in_traceback, sizeof(__pyx_k_cline_in_traceback), 0, 0, 1, 1},
  {&__pyx_n_s_close, __pyx_k_close, sizeof(__pyx_k_close), 0, 0, 1, 1},
  {&__pyx_n_s_close_env, __pyx_k_close_env, sizeof(__pyx_k_close_env), 0, 0, 1, 1},
  {&__pyx_n_s_commit_pending_transaction, __pyx_k_commit_pending_transaction, sizeof(__pyx_k_commit_pending_transaction), 0, 0, 1, 1},
  {&__pyx_n_s_contextlib, __pyx_k_contextlib, sizeof(__pyx_k_contextlib), 0, 0, 1, 1},
  {&__pyx_n_s_contextmanager, __pyx_k_contextmanager, sizeof(__pyx_k_contextmanager), 0, 0, 1, 1},
  {&__pyx_n_s_create, __pyx_k_create, sizeof(__pyx_k_create), 0, 0, 1, 1},
  {&__pyx_n_s_currentThread, __pyx_k_currentThread, sizeof(__pyx_k_currentThread), 0, 0, 1, 1},
  {&__pyx_n_s_current_process, __pyx_k_current_process, sizeof(__pyx_k_current_process), 0, 0, 1, 1},
  {&__pyx_n_s_data, __pyx_k_data, sizeof(__pyx_k_data), 0, 0, 1, 1},
  {&__pyx_n_s_data_v, __pyx_k_data_v, sizeof(__pyx_k_data_v), 0, 0, 1, 1},
  {&__pyx_n_u_db_stats, __pyx_k_db_stats, sizeof(__pyx_k_db_stats), 0, 1, 0, 1},
  {&__pyx_n_s_dbi, __pyx_k_dbi, sizeof(__pyx_k_dbi), 0, 0, 1, 1},
  {&__pyx_n_s_dbi_flags, __pyx_k_dbi_flags, sizeof(__pyx_k_dbi_flags), 0, 0, 1, 1},
  {&__pyx_n_s_dbi_labels, __pyx_k_dbi_labels, sizeof(__pyx_k_dbi_labels), 0, 0, 1, 1},
  {&__pyx_n_s_dblabel, __pyx_k_dblabel, sizeof(__pyx_k_dblabel), 0, 0, 1, 1},
  {&__pyx_n_s_debug, __pyx_k_debug, sizeof(__pyx_k_debug), 0, 0, 1, 1},
  {&__pyx_n_s_destroy, __pyx_k_destroy, sizeof(__pyx_k_destroy), 0, 0, 1, 1},
  {&__pyx_n_s_dirname, __pyx_k_dirname, sizeof(__pyx_k_dirname), 0, 0, 1, 1},
  {&__pyx_n_s_doc, __pyx_k_doc, sizeof(__pyx_k_doc), 0, 0, 1, 1},
  {&__pyx_n_s_encode, __pyx_k_encode, sizeof(__pyx_k_encode), 0, 0, 1, 1},
  {&__pyx_n_s_enter, __pyx_k_enter, sizeof(__pyx_k_enter), 0, 0, 1, 1},
  {&__pyx_n_s_enumerate, __pyx_k_enumerate, sizeof(__pyx_k_enumerate), 0, 0, 1, 1},
  {&__pyx_n_s_env, __pyx_k_env, sizeof(__pyx_k_env), 0, 0, 1, 1},
  {&__pyx_n_s_env_flags, __pyx_k_env_flags, sizeof(__pyx_k_env_flags), 0, 0, 1, 1},
  {&__pyx_n_s_env_path, __pyx_k_env_path, sizeof(__pyx_k_env_path), 0, 0, 1, 1},
  {&__pyx_n_s_env_perms, __pyx_k_env_perms, sizeof(__pyx_k_env_perms), 0, 0, 1, 1},
  {&__pyx_n_u_env_size, __pyx_k_env_size, sizeof(__pyx_k_env_size), 0, 1, 0, 1},
  {&__pyx_n_u_env_stats, __pyx_k_env_stats, sizeof(__pyx_k_env_stats), 0, 1, 0, 1},
  {&__pyx_n_s_exist_ok, __pyx_k_exist_ok, sizeof(__pyx_k_exist_ok), 0, 0, 1, 1},
  {&__pyx_n_s_exists, __pyx_k_exists, sizeof(__pyx_k_exists), 0, 0, 1, 1},
  {&__pyx_n_s_exit, __pyx_k_exit, sizeof(__pyx_k_exit), 0, 0, 1, 1},
  {&__pyx_n_s_flags, __pyx_k_flags, sizeof(__pyx_k_flags), 0, 0, 1, 1},
  {&__pyx_n_s_format, __pyx_k_format, sizeof(__pyx_k_format), 0, 0, 1, 1},
  {&__pyx_n_s_get, __pyx_k_get, sizeof(__pyx_k_get), 0, 0, 1, 1},
  {&__pyx_n_s_getLogger, __pyx_k_getLogger, sizeof(__pyx_k_getLogger), 0, 0, 1, 1},
  {&__pyx_n_s_getName, __pyx_k_getName, sizeof(__pyx_k_getName), 0, 0, 1, 1},
  {&__pyx_n_s_get_data, __pyx_k_get_data, sizeof(__pyx_k_get_data), 0, 0, 1, 1},
  {&__pyx_n_s_getstate, __pyx_k_getstate, sizeof(__pyx_k_getstate), 0, 0, 1, 1},
  {&__pyx_n_s_i, __pyx_k_i, sizeof(__pyx_k_i), 0, 0, 1, 1},
  {&__pyx_n_s_import, __pyx_k_import, sizeof(__pyx_k_import), 0, 0, 1, 1},
  {&__pyx_n_s_index, __pyx_k_index, sizeof(__pyx_k_index), 0, 0, 1, 1},
  {&__pyx_n_s_info, __pyx_k_info, sizeof(__pyx_k_info), 0, 0, 1, 1},
  {&__pyx_n_s_is_open, __pyx_k_is_open, sizeof(__pyx_k_is_open), 0, 0, 1, 1},
  {&__pyx_n_s_is_txn_rw, __pyx_k_is_txn_rw, sizeof(__pyx_k_is_txn_rw), 0, 0, 1, 1},
  {&__pyx_n_s_key, __pyx_k_key, sizeof(__pyx_k_key), 0, 0, 1, 1},
  {&__pyx_n_s_key_v, __pyx_k_key_v, sizeof(__pyx_k_key_v), 0, 0, 1, 1},
  {&__pyx_n_s_lakesuperior, __pyx_k_lakesuperior, sizeof(__pyx_k_lakesuperior), 0, 0, 1, 1},
  {&__pyx_n_s_lakesuperior_store_base_lmdb_sto, __pyx_k_lakesuperior_store_base_lmdb_sto, sizeof(__pyx_k_lakesuperior_store_base_lmdb_sto), 0, 0, 1, 1},
  {&__pyx_kp_u_lock, __pyx_k_lock, sizeof(__pyx_k_lock), 0, 1, 0, 0},
  {&__pyx_n_s_logger, __pyx_k_logger, sizeof(__pyx_k_logger), 0, 0, 1, 1},
  {&__pyx_n_s_logging, __pyx_k_logging, sizeof(__pyx_k_logging), 0, 0, 1, 1},
  {&__pyx_n_s_main, __pyx_k_main, sizeof(__pyx_k_main), 0, 0, 1, 1},
  {&__pyx_n_s_makedirs, __pyx_k_makedirs, sizeof(__pyx_k_makedirs), 0, 0, 1, 1},
  {&__pyx_n_u_map_size, __pyx_k_map_size, sizeof(__pyx_k_map_size), 0, 1, 0, 1},
  {&__pyx_n_u_max_dbs, __pyx_k_max_dbs, sizeof(__pyx_k_max_dbs), 0, 1, 0, 1},
  {&__pyx_n_u_max_spare_txns, __pyx_k_max_spare_txns, sizeof(__pyx_k_max_spare_txns), 0, 1, 0, 1},
  {&__pyx_n_s_metaclass, __pyx_k_metaclass, sizeof(__pyx_k_metaclass), 0, 0, 1, 1},
  {&__pyx_n_s_mode, __pyx_k_mode, sizeof(__pyx_k_mode), 0, 0, 1, 1},
  {&__pyx_n_s_module, __pyx_k_module, sizeof(__pyx_k_module), 0, 0, 1, 1},
  {&__pyx_n_s_ms_branch_pages, __pyx_k_ms_branch_pages, sizeof(__pyx_k_ms_branch_pages), 0, 0, 1, 1},
  {&__pyx_n_s_ms_depth, __pyx_k_ms_depth, sizeof(__pyx_k_ms_depth), 0, 0, 1, 1},
  {&__pyx_n_s_ms_entries, __pyx_k_ms_entries, sizeof(__pyx_k_ms_entries), 0, 0, 1, 1},
  {&__pyx_n_s_ms_leaf_pages, __pyx_k_ms_leaf_pages, sizeof(__pyx_k_ms_leaf_pages), 0, 0, 1, 1},
  {&__pyx_n_s_ms_overflow_pages, __pyx_k_ms_overflow_pages, sizeof(__pyx_k_ms_overflow_pages), 0, 0, 1, 1},
  {&__pyx_n_s_ms_psize, __pyx_k_ms_psize, sizeof(__pyx_k_ms_psize), 0, 0, 1, 1},
  {&__pyx_n_s_multiprocessing, __pyx_k_multiprocessing, sizeof(__pyx_k_multiprocessing), 0, 0, 1, 1},
  {&__pyx_n_s_name, __pyx_k_name, sizeof(__pyx_k_name), 0, 0, 1, 1},
  {&__pyx_n_s_new_txn, __pyx_k_new_txn, sizeof(__pyx_k_new_txn), 0, 0, 1, 1},
  {&__pyx_n_s_open_env, __pyx_k_open_env, sizeof(__pyx_k_open_env), 0, 0, 1, 1},
  {&__pyx_kp_u_opened_x, __pyx_k_opened_x, sizeof(__pyx_k_opened_x), 0, 1, 0, 0},
  {&__pyx_n_s_options, __pyx_k_options, sizeof(__pyx_k_options), 0, 0, 1, 1},
  {&__pyx_n_s_os, __pyx_k_os, sizeof(__pyx_k_os), 0, 0, 1, 1},
  {&__pyx_n_s_path, __pyx_k_path, sizeof(__pyx_k_path), 0, 0, 1, 1},
  {&__pyx_n_s_path_2, __pyx_k_path_2, sizeof(__pyx_k_path_2), 0, 0, 1, 1},
  {&__pyx_n_s_pid, __pyx_k_pid, sizeof(__pyx_k_pid), 0, 0, 1, 1},
  {&__pyx_n_s_prepare, __pyx_k_prepare, sizeof(__pyx_k_prepare), 0, 0, 1, 1},
  {&__pyx_n_s_pyx_capi, __pyx_k_pyx_capi, sizeof(__pyx_k_pyx_capi), 0, 0, 1, 1},
  {&__pyx_n_s_pyx_vtable, __pyx_k_pyx_vtable, sizeof(__pyx_k_pyx_vtable), 0, 0, 1, 1},
  {&__pyx_n_s_qualname, __pyx_k_qualname, sizeof(__pyx_k_qualname), 0, 0, 1, 1},
  {&__pyx_n_s_rc, __pyx_k_rc, sizeof(__pyx_k_rc), 0, 0, 1, 1},
  {&__pyx_n_s_readers_mult, __pyx_k_readers_mult, sizeof(__pyx_k_readers_mult), 0, 0, 1, 1},
  {&__pyx_n_s_reduce, __pyx_k_reduce, sizeof(__pyx_k_reduce), 0, 0, 1, 1},
  {&__pyx_n_s_reduce_cython, __pyx_k_reduce_cython, sizeof(__pyx_k_reduce_cython), 0, 0, 1, 1},
  {&__pyx_n_s_reduce_ex, __pyx_k_reduce_ex, sizeof(__pyx_k_reduce_ex), 0, 0, 1, 1},
  {&__pyx_n_s_rmtree, __pyx_k_rmtree, sizeof(__pyx_k_rmtree), 0, 0, 1, 1},
  {&__pyx_kp_s_self_curs_self_dbenv_self_dbis_s, __pyx_k_self_curs_self_dbenv_self_dbis_s, sizeof(__pyx_k_self_curs_self_dbenv_self_dbis_s), 0, 0, 1, 0},
  {&__pyx_n_s_send, __pyx_k_send, sizeof(__pyx_k_send), 0, 0, 1, 1},
  {&__pyx_n_s_setstate, __pyx_k_setstate, sizeof(__pyx_k_setstate), 0, 0, 1, 1},
  {&__pyx_n_s_setstate_cython, __pyx_k_setstate_cython, sizeof(__pyx_k_setstate_cython), 0, 0, 1, 1},
  {&__pyx_n_s_shutil, __pyx_k_shutil, sizeof(__pyx_k_shutil), 0, 0, 1, 1},
  {&__pyx_n_s_st_size, __pyx_k_st_size, sizeof(__pyx_k_st_size), 0, 0, 1, 1},
  {&__pyx_n_s_stat, __pyx_k_stat, sizeof(__pyx_k_stat), 0, 0, 1, 1},
  {&__pyx_n_s_stats, __pyx_k_stats, sizeof(__pyx_k_stats), 0, 0, 1, 1},
  {&__pyx_n_s_test, __pyx_k_test, sizeof(__pyx_k_test), 0, 0, 1, 1},
  {&__pyx_n_s_threading, __pyx_k_threading, sizeof(__pyx_k_threading), 0, 0, 1, 1},
  {&__pyx_n_s_throw, __pyx_k_throw, sizeof(__pyx_k_throw), 0, 0, 1, 1},
  {&__pyx_n_s_txn_ctx, __pyx_k_txn_ctx, sizeof(__pyx_k_txn_ctx), 0, 0, 1, 1},
  {&__pyx_n_s_txn_id, __pyx_k_txn_id, sizeof(__pyx_k_txn_id), 0, 0, 1, 1},
  {&__pyx_kp_u_txn_is_open, __pyx_k_txn_is_open, sizeof(__pyx_k_txn_is_open), 0, 1, 0, 0},
  {&__pyx_n_s_unlink, __pyx_k_unlink, sizeof(__pyx_k_unlink), 0, 0, 1, 1},
  {&__pyx_n_s_warning, __pyx_k_warning, sizeof(__pyx_k_warning), 0, 0, 1, 1},
  {&__pyx_n_s_workers, __pyx_k_workers, sizeof(__pyx_k_workers), 0, 0, 1, 1},
  {&__pyx_n_s_write, __pyx_k_write, sizeof(__pyx_k_write), 0, 0, 1, 1},
  {&__pyx_n_s_wsgi, __pyx_k_wsgi, sizeof(__pyx_k_wsgi), 0, 0, 1, 1},
  {&__pyx_kp_u_x, __pyx_k_x, sizeof(__pyx_k_x), 0, 1, 0, 0},
  {0, 0, 0, 0, 0, 0, 0}
};
static int __Pyx_InitCachedBuiltins(void) {
  __pyx_builtin_MemoryError = __Pyx_GetBuiltinName(__pyx_n_s_MemoryError); if (!__pyx_builtin_MemoryError) __PYX_ERR(0, 252, __pyx_L1_error)
  __pyx_builtin_enumerate = __Pyx_GetBuiltinName(__pyx_n_s_enumerate); if (!__pyx_builtin_enumerate) __PYX_ERR(0, 267, __pyx_L1_error)
  __pyx_builtin_RuntimeError = __Pyx_GetBuiltinName(__pyx_n_s_RuntimeError); if (!__pyx_builtin_RuntimeError) __PYX_ERR(0, 375, __pyx_L1_error)
  __pyx_builtin_TypeError = __Pyx_GetBuiltinName(__pyx_n_s_TypeError); if (!__pyx_builtin_TypeError) __PYX_ERR(1, 2, __pyx_L1_error)
  return 0;
  __pyx_L1_error:;
  return -1;
}

static int __Pyx_InitCachedConstants(void) {
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__Pyx_InitCachedConstants", 0);

  /* "lakesuperior/store/base_lmdb_store.pyx":166
 *         """
 *         if self.is_open:
 *             logger.warning('Environment already open.')             # <<<<<<<<<<<<<<
 *             return
 * 
 */
  __pyx_tuple__2 = PyTuple_Pack(1, __pyx_kp_u_Environment_already_open); if (unlikely(!__pyx_tuple__2)) __PYX_ERR(0, 166, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__2);
  __Pyx_GIVEREF(__pyx_tuple__2);

  /* "lakesuperior/store/base_lmdb_store.pyx":195
 *         # Set map size.
 *         _check(
 *                 lmdb.mdb_env_set_mapsize(self.dbenv, self.options.get(             # <<<<<<<<<<<<<<
 *                     'map_size', 1024 ** 3)),
 *                 'Error setting map size: {}')
 */
  __pyx_tuple__3 = PyTuple_Pack(2, __pyx_n_u_map_size, __pyx_int_1073741824); if (unlikely(!__pyx_tuple__3)) __PYX_ERR(0, 195, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__3);
  __Pyx_GIVEREF(__pyx_tuple__3);

  /* "lakesuperior/store/base_lmdb_store.pyx":264
 *         txn_flags = 0 if create else lmdb.MDB_RDONLY
 *         rc = lmdb.mdb_txn_begin(self.dbenv, NULL, txn_flags, &txn)
 *         logger.info(f'Creating DBs.')             # <<<<<<<<<<<<<<
 *         try:
 *             if len(self.dbi_labels):
 */
  __pyx_tuple__5 = PyTuple_Pack(1, __pyx_kp_u_Creating_DBs); if (unlikely(!__pyx_tuple__5)) __PYX_ERR(0, 264, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__5);
  __Pyx_GIVEREF(__pyx_tuple__5);

  /* "lakesuperior/store/base_lmdb_store.pyx":289
 * 
 *     cpdef void close_env(self, bint commit_pending_transaction=False) except *:
 *         logger.debug('Cleaning up store env.')             # <<<<<<<<<<<<<<
 *         if self.is_open:
 *             logger.debug('Closing store env.')
 */
  __pyx_tuple__7 = PyTuple_Pack(1, __pyx_kp_u_Cleaning_up_store_env); if (unlikely(!__pyx_tuple__7)) __PYX_ERR(0, 289, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__7);
  __Pyx_GIVEREF(__pyx_tuple__7);

  /* "lakesuperior/store/base_lmdb_store.pyx":291
 *         logger.debug('Cleaning up store env.')
 *         if self.is_open:
 *             logger.debug('Closing store env.')             # <<<<<<<<<<<<<<
 *             if self.is_txn_open is True:
 *                 if commit_pending_transaction:
 */
  __pyx_tuple__8 = PyTuple_Pack(1, __pyx_kp_u_Closing_store_env); if (unlikely(!__pyx_tuple__8)) __PYX_ERR(0, 291, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__8);
  __Pyx_GIVEREF(__pyx_tuple__8);

  /* "lakesuperior/store/base_lmdb_store.pyx":343
 *         """
 *         if not self.is_open:
 *             raise LmdbError('Store is not open.')             # <<<<<<<<<<<<<<
 * 
 *         if self.is_txn_open:
 */
  __pyx_tuple__9 = PyTuple_Pack(1, __pyx_kp_u_Store_is_not_open); if (unlikely(!__pyx_tuple__9)) __PYX_ERR(0, 343, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__9);
  __Pyx_GIVEREF(__pyx_tuple__9);

  /* "lakesuperior/store/base_lmdb_store.pyx":346
 * 
 *         if self.is_txn_open:
 *             logger.debug(             # <<<<<<<<<<<<<<
 *                     'Transaction is already active. Not opening another one.')
 *             #logger.debug('before yield')
 */
  __pyx_tuple__10 = PyTuple_Pack(1, __pyx_kp_u_Transaction_is_already_active_No); if (unlikely(!__pyx_tuple__10)) __PYX_ERR(0, 346, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__10);
  __Pyx_GIVEREF(__pyx_tuple__10);

  /* "lakesuperior/store/base_lmdb_store.pyx":375
 *         """
 *         if not self.is_open:
 *             raise RuntimeError('Store must be opened first.')             # <<<<<<<<<<<<<<
 *         #logger.debug('Beginning a {} transaction.'.format(
 *         #    'read/write' if write else 'read-only'))
 */
  __pyx_tuple__11 = PyTuple_Pack(1, __pyx_kp_u_Store_must_be_opened_first); if (unlikely(!__pyx_tuple__11)) __PYX_ERR(0, 375, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__11);
  __Pyx_GIVEREF(__pyx_tuple__11);

  /* "lakesuperior/store/base_lmdb_store.pyx":407
 *         """
 *         if new_txn is True:
 *             with self.txn_ctx():             # <<<<<<<<<<<<<<
 *                 return self._key_exists(
 *                         key, len(key), dblabel=dblabel.encode())
 */
  __pyx_tuple__12 = PyTuple_Pack(3, Py_None, Py_None, Py_None); if (unlikely(!__pyx_tuple__12)) __PYX_ERR(0, 407, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__12);
  __Pyx_GIVEREF(__pyx_tuple__12);
  __pyx_tuple__13 = PyTuple_Pack(3, Py_None, Py_None, Py_None); if (unlikely(!__pyx_tuple__13)) __PYX_ERR(0, 407, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__13);
  __Pyx_GIVEREF(__pyx_tuple__13);

  /* "lakesuperior/store/base_lmdb_store.pyx":608
 *     cdef void _txn_begin(self, write=True, lmdb.MDB_txn *parent=NULL) except *:
 *         if not self.is_open:
 *             raise LmdbError('Store is not open.')             # <<<<<<<<<<<<<<
 * 
 *         cdef:
 */
  __pyx_tuple__18 = PyTuple_Pack(1, __pyx_kp_u_Store_is_not_open); if (unlikely(!__pyx_tuple__18)) __PYX_ERR(0, 608, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__18);
  __Pyx_GIVEREF(__pyx_tuple__18);

  /* "lakesuperior/store/base_lmdb_store.pyx":668
 * 
 *         if dblabel is NULL:
 *             logger.debug('Getting DBI without label.')             # <<<<<<<<<<<<<<
 *         dbidx = (
 *                 0 if dblabel is NULL
 */
  __pyx_tuple__19 = PyTuple_Pack(1, __pyx_kp_u_Getting_DBI_without_label); if (unlikely(!__pyx_tuple__19)) __PYX_ERR(0, 668, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__19);
  __Pyx_GIVEREF(__pyx_tuple__19);

  /* "(tree fragment)":2
 * def __reduce_cython__(self):
 *     raise TypeError("self.curs,self.dbenv,self.dbis,self.txn cannot be converted to a Python object for pickling")             # <<<<<<<<<<<<<<
 * def __setstate_cython__(self, __pyx_state):
 *     raise TypeError("self.curs,self.dbenv,self.dbis,self.txn cannot be converted to a Python object for pickling")
 */
  __pyx_tuple__21 = PyTuple_Pack(1, __pyx_kp_s_self_curs_self_dbenv_self_dbis_s); if (unlikely(!__pyx_tuple__21)) __PYX_ERR(1, 2, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__21);
  __Pyx_GIVEREF(__pyx_tuple__21);

  /* "(tree fragment)":4
 *     raise TypeError("self.curs,self.dbenv,self.dbis,self.txn cannot be converted to a Python object for pickling")
 * def __setstate_cython__(self, __pyx_state):
 *     raise TypeError("self.curs,self.dbenv,self.dbis,self.txn cannot be converted to a Python object for pickling")             # <<<<<<<<<<<<<<
 */
  __pyx_tuple__22 = PyTuple_Pack(1, __pyx_kp_s_self_curs_self_dbenv_self_dbis_s); if (unlikely(!__pyx_tuple__22)) __PYX_ERR(1, 4, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_tuple__22);
  __Pyx_GIVEREF(__pyx_tuple__22);
  __Pyx_RefNannyFinishContext();
  return 0;
  __pyx_L1_error:;
  __Pyx_RefNannyFinishContext();
  return -1;
}

static int __Pyx_InitGlobals(void) {
  /* InitThreads.init */
  #ifdef WITH_THREAD
PyEval_InitThreads();
#endif

if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 1, __pyx_L1_error)

  if (__Pyx_InitStrings(__pyx_string_tab) < 0) __PYX_ERR(0, 1, __pyx_L1_error);
  __pyx_int_0 = PyInt_FromLong(0); if (unlikely(!__pyx_int_0)) __PYX_ERR(0, 1, __pyx_L1_error)
  __pyx_int_1 = PyInt_FromLong(1); if (unlikely(!__pyx_int_1)) __PYX_ERR(0, 1, __pyx_L1_error)
  __pyx_int_4 = PyInt_FromLong(4); if (unlikely(!__pyx_int_4)) __PYX_ERR(0, 1, __pyx_L1_error)
  __pyx_int_416 = PyInt_FromLong(416); if (unlikely(!__pyx_int_416)) __PYX_ERR(0, 1, __pyx_L1_error)
  __pyx_int_488 = PyInt_FromLong(488); if (unlikely(!__pyx_int_488)) __PYX_ERR(0, 1, __pyx_L1_error)
  __pyx_int_1073741824 = PyInt_FromLong(1073741824L); if (unlikely(!__pyx_int_1073741824)) __PYX_ERR(0, 1, __pyx_L1_error)
  return 0;
  __pyx_L1_error:;
  return -1;
}

static int __Pyx_modinit_global_init_code(void); /*proto*/
static int __Pyx_modinit_variable_export_code(void); /*proto*/
static int __Pyx_modinit_function_export_code(void); /*proto*/
static int __Pyx_modinit_type_init_code(void); /*proto*/
static int __Pyx_modinit_type_import_code(void); /*proto*/
static int __Pyx_modinit_variable_import_code(void); /*proto*/
static int __Pyx_modinit_function_import_code(void); /*proto*/

static int __Pyx_modinit_global_init_code(void) {
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__Pyx_modinit_global_init_code", 0);
  /*--- Global init code ---*/
  __Pyx_RefNannyFinishContext();
  return 0;
}

static int __Pyx_modinit_variable_export_code(void) {
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__Pyx_modinit_variable_export_code", 0);
  /*--- Variable export code ---*/
  if (__Pyx_ExportVoidPtr(__pyx_n_s_rc, (void *)&__pyx_v_12lakesuperior_5store_15base_lmdb_store_rc, "int") < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  if (__Pyx_ExportVoidPtr(__pyx_n_s_i, (void *)&__pyx_v_12lakesuperior_5store_15base_lmdb_store_i, "size_t") < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  if (__Pyx_ExportVoidPtr(__pyx_n_s_key_v, (void *)&__pyx_v_12lakesuperior_5store_15base_lmdb_store_key_v, "struct MDB_val") < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  if (__Pyx_ExportVoidPtr(__pyx_n_s_data_v, (void *)&__pyx_v_12lakesuperior_5store_15base_lmdb_store_data_v, "struct MDB_val") < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  if (__Pyx_ExportVoidPtr(__pyx_n_s_dbi, (void *)&__pyx_v_12lakesuperior_5store_15base_lmdb_store_dbi, "MDB_dbi") < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  __Pyx_RefNannyFinishContext();
  return 0;
  __pyx_L1_error:;
  __Pyx_RefNannyFinishContext();
  return -1;
}

static int __Pyx_modinit_function_export_code(void) {
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__Pyx_modinit_function_export_code", 0);
  /*--- Function export code ---*/
  if (__Pyx_ExportFunction("_check", (void (*)(void))__pyx_f_12lakesuperior_5store_15base_lmdb_store__check, "void (int, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store__check *__pyx_optional_args)") < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  __Pyx_RefNannyFinishContext();
  return 0;
  __pyx_L1_error:;
  __Pyx_RefNannyFinishContext();
  return -1;
}

static int __Pyx_modinit_type_init_code(void) {
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__Pyx_modinit_type_init_code", 0);
  /*--- Type init code ---*/
  __pyx_vtabptr_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore = &__pyx_vtable_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore;
  __pyx_vtable_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore._clear_stale_readers = (void (*)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *))__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__clear_stale_readers;
  __pyx_vtable_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore._cur_close = (void (*)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, MDB_cursor *))__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__cur_close;
  __pyx_vtable_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore._init_dbis = (void (*)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__init_dbis *__pyx_optional_args))__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__init_dbis;
  __pyx_vtable_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore._txn_begin = (void (*)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__txn_begin *__pyx_optional_args))__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__txn_begin;
  __pyx_vtable_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore._txn_commit = (void (*)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *))__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__txn_commit;
  __pyx_vtable_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore._txn_abort = (void (*)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *))__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__txn_abort;
  __pyx_vtable_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore._key_exists = (int (*)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, unsigned char *, unsigned char, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__key_exists *__pyx_optional_args))__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__key_exists;
  __pyx_vtable_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore._txn_id = (size_t (*)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *))__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__txn_id;
  __pyx_vtable_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore._cur_open = (MDB_cursor *(*)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__cur_open *__pyx_optional_args))__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__cur_open;
  __pyx_vtable_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore.get_dbi = (MDB_dbi (*)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_dbi *__pyx_optional_args))__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_dbi;
  __pyx_vtable_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore._put = (void (*)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, unsigned char *, size_t, unsigned char *, size_t, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__put *__pyx_optional_args))__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__put;
  __pyx_vtable_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore._get_data = (void (*)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, unsigned char *, size_t, struct MDB_val *, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__get_data *__pyx_optional_args))__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__get_data;
  __pyx_vtable_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore._delete = (void (*)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, unsigned char *, size_t, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__delete *__pyx_optional_args))__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__delete;
  __pyx_vtable_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore._stats = (PyObject *(*)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *))__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore__stats;
  __pyx_vtable_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore.close_env = (void (*)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, int __pyx_skip_dispatch, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_close_env *__pyx_optional_args))__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_close_env;
  __pyx_vtable_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore.destroy = (void (*)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, int __pyx_skip_dispatch, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_destroy *__pyx_optional_args))__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_destroy;
  __pyx_vtable_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore.get_data = (PyObject *(*)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, PyObject *, int __pyx_skip_dispatch, struct __pyx_opt_args_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_data *__pyx_optional_args))__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_get_data;
  __pyx_vtable_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore.stats = (PyObject *(*)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, int __pyx_skip_dispatch))__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_stats;
  __pyx_vtable_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore.txn_id = (int (*)(struct __pyx_obj_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore *, int __pyx_skip_dispatch))__pyx_f_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore_txn_id;
  if (PyType_Ready(&__pyx_type_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore) < 0) __PYX_ERR(0, 49, __pyx_L1_error)
  __pyx_type_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore.tp_print = 0;
  if ((CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP) && likely(!__pyx_type_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore.tp_dictoffset && __pyx_type_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore.tp_getattro == PyObject_GenericGetAttr)) {
    __pyx_type_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore.tp_getattro = __Pyx_PyObject_GenericGetAttr;
  }
  #if CYTHON_COMPILING_IN_CPYTHON
  {
    PyObject *wrapper = PyObject_GetAttrString((PyObject *)&__pyx_type_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore, "__init__"); if (unlikely(!wrapper)) __PYX_ERR(0, 49, __pyx_L1_error)
    if (Py_TYPE(wrapper) == &PyWrapperDescr_Type) {
      __pyx_wrapperbase_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore___init__ = *((PyWrapperDescrObject *)wrapper)->d_base;
      __pyx_wrapperbase_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore___init__.doc = __pyx_doc_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore___init__;
      ((PyWrapperDescrObject *)wrapper)->d_base = &__pyx_wrapperbase_12lakesuperior_5store_15base_lmdb_store_13BaseLmdbStore___init__;
    }
  }
  #endif
  if (__Pyx_SetVtable(__pyx_type_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore.tp_dict, __pyx_vtabptr_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore) < 0) __PYX_ERR(0, 49, __pyx_L1_error)
  if (PyObject_SetAttrString(__pyx_m, "BaseLmdbStore", (PyObject *)&__pyx_type_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore) < 0) __PYX_ERR(0, 49, __pyx_L1_error)
  if (__Pyx_setup_reduce((PyObject*)&__pyx_type_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore) < 0) __PYX_ERR(0, 49, __pyx_L1_error)
  __pyx_ptype_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore = &__pyx_type_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore;
  if (PyType_Ready(&__pyx_type_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx) < 0) __PYX_ERR(0, 334, __pyx_L1_error)
  __pyx_type_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx.tp_print = 0;
  if ((CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP) && likely(!__pyx_type_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx.tp_dictoffset && __pyx_type_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx.tp_getattro == PyObject_GenericGetAttr)) {
    __pyx_type_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx.tp_getattro = __Pyx_PyObject_GenericGetAttrNoDict;
  }
  __pyx_ptype_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx = &__pyx_type_12lakesuperior_5store_15base_lmdb_store___pyx_scope_struct__txn_ctx;
  __Pyx_RefNannyFinishContext();
  return 0;
  __pyx_L1_error:;
  __Pyx_RefNannyFinishContext();
  return -1;
}

static int __Pyx_modinit_type_import_code(void) {
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__Pyx_modinit_type_import_code", 0);
  /*--- Type import code ---*/
  __Pyx_RefNannyFinishContext();
  return 0;
}

static int __Pyx_modinit_variable_import_code(void) {
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__Pyx_modinit_variable_import_code", 0);
  /*--- Variable import code ---*/
  __Pyx_RefNannyFinishContext();
  return 0;
}

static int __Pyx_modinit_function_import_code(void) {
  __Pyx_RefNannyDeclarations
  __Pyx_RefNannySetupContext("__Pyx_modinit_function_import_code", 0);
  /*--- Function import code ---*/
  __Pyx_RefNannyFinishContext();
  return 0;
}


#if PY_MAJOR_VERSION < 3
#ifdef CYTHON_NO_PYINIT_EXPORT
#define __Pyx_PyMODINIT_FUNC void
#else
#define __Pyx_PyMODINIT_FUNC PyMODINIT_FUNC
#endif
#else
#ifdef CYTHON_NO_PYINIT_EXPORT
#define __Pyx_PyMODINIT_FUNC PyObject *
#else
#define __Pyx_PyMODINIT_FUNC PyMODINIT_FUNC
#endif
#endif
#ifndef CYTHON_SMALL_CODE
#if defined(__clang__)
    #define CYTHON_SMALL_CODE
#elif defined(__GNUC__) && (!(defined(__cplusplus)) || (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 4)))
    #define CYTHON_SMALL_CODE __attribute__((optimize("Os")))
#else
    #define CYTHON_SMALL_CODE
#endif
#endif


#if PY_MAJOR_VERSION < 3
__Pyx_PyMODINIT_FUNC initbase_lmdb_store(void) CYTHON_SMALL_CODE; /*proto*/
__Pyx_PyMODINIT_FUNC initbase_lmdb_store(void)
#else
__Pyx_PyMODINIT_FUNC PyInit_base_lmdb_store(void) CYTHON_SMALL_CODE; /*proto*/
__Pyx_PyMODINIT_FUNC PyInit_base_lmdb_store(void)
#if CYTHON_PEP489_MULTI_PHASE_INIT
{
  return PyModuleDef_Init(&__pyx_moduledef);
}
static int __Pyx_copy_spec_to_module(PyObject *spec, PyObject *moddict, const char* from_name, const char* to_name) {
    PyObject *value = PyObject_GetAttrString(spec, from_name);
    int result = 0;
    if (likely(value)) {
        result = PyDict_SetItemString(moddict, to_name, value);
        Py_DECREF(value);
    } else if (PyErr_ExceptionMatches(PyExc_AttributeError)) {
        PyErr_Clear();
    } else {
        result = -1;
    }
    return result;
}
static PyObject* __pyx_pymod_create(PyObject *spec, CYTHON_UNUSED PyModuleDef *def) {
    PyObject *module = NULL, *moddict, *modname;
    if (__pyx_m)
        return __Pyx_NewRef(__pyx_m);
    modname = PyObject_GetAttrString(spec, "name");
    if (unlikely(!modname)) goto bad;
    module = PyModule_NewObject(modname);
    Py_DECREF(modname);
    if (unlikely(!module)) goto bad;
    moddict = PyModule_GetDict(module);
    if (unlikely(!moddict)) goto bad;
    if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "loader", "__loader__") < 0)) goto bad;
    if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "origin", "__file__") < 0)) goto bad;
    if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "parent", "__package__") < 0)) goto bad;
    if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "submodule_search_locations", "__path__") < 0)) goto bad;
    return module;
bad:
    Py_XDECREF(module);
    return NULL;
}


static int __pyx_pymod_exec_base_lmdb_store(PyObject *__pyx_pyinit_module)
#endif
#endif
{
  __Pyx_TraceDeclarations
  PyObject *__pyx_t_1 = NULL;
  PyObject *__pyx_t_2 = NULL;
  PyObject *__pyx_t_3 = NULL;
  PyObject *__pyx_t_4 = NULL;
  PyObject *__pyx_t_5 = NULL;
  __Pyx_RefNannyDeclarations
  #if CYTHON_PEP489_MULTI_PHASE_INIT
  if (__pyx_m && __pyx_m == __pyx_pyinit_module) return 0;
  #elif PY_MAJOR_VERSION >= 3
  if (__pyx_m) return __Pyx_NewRef(__pyx_m);
  #endif
  #if CYTHON_REFNANNY
__Pyx_RefNanny = __Pyx_RefNannyImportAPI("refnanny");
if (!__Pyx_RefNanny) {
  PyErr_Clear();
  __Pyx_RefNanny = __Pyx_RefNannyImportAPI("Cython.Runtime.refnanny");
  if (!__Pyx_RefNanny)
      Py_FatalError("failed to import 'refnanny' module");
}
#endif
  __Pyx_RefNannySetupContext("__Pyx_PyMODINIT_FUNC PyInit_base_lmdb_store(void)", 0);
  if (__Pyx_check_binary_version() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  __pyx_empty_tuple = PyTuple_New(0); if (unlikely(!__pyx_empty_tuple)) __PYX_ERR(0, 1, __pyx_L1_error)
  __pyx_empty_bytes = PyBytes_FromStringAndSize("", 0); if (unlikely(!__pyx_empty_bytes)) __PYX_ERR(0, 1, __pyx_L1_error)
  __pyx_empty_unicode = PyUnicode_FromStringAndSize("", 0); if (unlikely(!__pyx_empty_unicode)) __PYX_ERR(0, 1, __pyx_L1_error)
  #ifdef __Pyx_CyFunction_USED
  if (__pyx_CyFunction_init() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  #endif
  #ifdef __Pyx_FusedFunction_USED
  if (__pyx_FusedFunction_init() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  #endif
  #ifdef __Pyx_Coroutine_USED
  if (__pyx_Coroutine_init() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  #endif
  #ifdef __Pyx_Generator_USED
  if (__pyx_Generator_init() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  #endif
  #ifdef __Pyx_AsyncGen_USED
  if (__pyx_AsyncGen_init() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  #endif
  #ifdef __Pyx_StopAsyncIteration_USED
  if (__pyx_StopAsyncIteration_init() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  #endif
  /*--- Library function declarations ---*/
  /*--- Threads initialization code ---*/
  #if defined(__PYX_FORCE_INIT_THREADS) && __PYX_FORCE_INIT_THREADS
  #ifdef WITH_THREAD /* Python build with threading support? */
  PyEval_InitThreads();
  #endif
  #endif
  /*--- Module creation code ---*/
  #if CYTHON_PEP489_MULTI_PHASE_INIT
  __pyx_m = __pyx_pyinit_module;
  Py_INCREF(__pyx_m);
  #else
  #if PY_MAJOR_VERSION < 3
  __pyx_m = Py_InitModule4("base_lmdb_store", __pyx_methods, 0, 0, PYTHON_API_VERSION); Py_XINCREF(__pyx_m);
  #else
  __pyx_m = PyModule_Create(&__pyx_moduledef);
  #endif
  if (unlikely(!__pyx_m)) __PYX_ERR(0, 1, __pyx_L1_error)
  #endif
  __pyx_d = PyModule_GetDict(__pyx_m); if (unlikely(!__pyx_d)) __PYX_ERR(0, 1, __pyx_L1_error)
  Py_INCREF(__pyx_d);
  __pyx_b = PyImport_AddModule(__Pyx_BUILTIN_MODULE_NAME); if (unlikely(!__pyx_b)) __PYX_ERR(0, 1, __pyx_L1_error)
  __pyx_cython_runtime = PyImport_AddModule((char *) "cython_runtime"); if (unlikely(!__pyx_cython_runtime)) __PYX_ERR(0, 1, __pyx_L1_error)
  #if CYTHON_COMPILING_IN_PYPY
  Py_INCREF(__pyx_b);
  #endif
  if (PyObject_SetAttrString(__pyx_m, "__builtins__", __pyx_b) < 0) __PYX_ERR(0, 1, __pyx_L1_error);
  /*--- Initialize various global constants etc. ---*/
  if (__Pyx_InitGlobals() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  #if PY_MAJOR_VERSION < 3 && (__PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT)
  if (__Pyx_init_sys_getdefaultencoding_params() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  #endif
  if (__pyx_module_is_main_lakesuperior__store__base_lmdb_store) {
    if (PyObject_SetAttrString(__pyx_m, "__name__", __pyx_n_s_main) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  }
  #if PY_MAJOR_VERSION >= 3
  {
    PyObject *modules = PyImport_GetModuleDict(); if (unlikely(!modules)) __PYX_ERR(0, 1, __pyx_L1_error)
    if (!PyDict_GetItemString(modules, "lakesuperior.store.base_lmdb_store")) {
      if (unlikely(PyDict_SetItemString(modules, "lakesuperior.store.base_lmdb_store", __pyx_m) < 0)) __PYX_ERR(0, 1, __pyx_L1_error)
    }
  }
  #endif
  /*--- Builtin init code ---*/
  if (__Pyx_InitCachedBuiltins() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  /*--- Constants init code ---*/
  if (__Pyx_InitCachedConstants() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  /*--- Global type/function init code ---*/
  (void)__Pyx_modinit_global_init_code();
  if (unlikely(__Pyx_modinit_variable_export_code() != 0)) goto __pyx_L1_error;
  if (unlikely(__Pyx_modinit_function_export_code() != 0)) goto __pyx_L1_error;
  if (unlikely(__Pyx_modinit_type_init_code() != 0)) goto __pyx_L1_error;
  (void)__Pyx_modinit_type_import_code();
  (void)__Pyx_modinit_variable_import_code();
  (void)__Pyx_modinit_function_import_code();
  /*--- Execution code ---*/
  #if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED)
  if (__Pyx_patch_abc() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  #endif
  __Pyx_TraceCall("__Pyx_PyMODINIT_FUNC PyInit_base_lmdb_store(void)", __pyx_f[0], 1, 0, __PYX_ERR(0, 1, __pyx_L1_error));

  /* "lakesuperior/store/base_lmdb_store.pyx":1
 * import logging             # <<<<<<<<<<<<<<
 * import os
 * import threading
 */
  __pyx_t_1 = __Pyx_Import(__pyx_n_s_logging, 0, 0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 1, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_logging, __pyx_t_1) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":2
 * import logging
 * import os             # <<<<<<<<<<<<<<
 * import threading
 * import multiprocessing
 */
  __pyx_t_1 = __Pyx_Import(__pyx_n_s_os, 0, 0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 2, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_os, __pyx_t_1) < 0) __PYX_ERR(0, 2, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":3
 * import logging
 * import os
 * import threading             # <<<<<<<<<<<<<<
 * import multiprocessing
 * 
 */
  __pyx_t_1 = __Pyx_Import(__pyx_n_s_threading, 0, 0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 3, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_threading, __pyx_t_1) < 0) __PYX_ERR(0, 3, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":4
 * import os
 * import threading
 * import multiprocessing             # <<<<<<<<<<<<<<
 * 
 * from contextlib import contextmanager
 */
  __pyx_t_1 = __Pyx_Import(__pyx_n_s_multiprocessing, 0, 0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 4, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_multiprocessing, __pyx_t_1) < 0) __PYX_ERR(0, 4, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":6
 * import multiprocessing
 * 
 * from contextlib import contextmanager             # <<<<<<<<<<<<<<
 * from os import makedirs, path
 * from shutil import rmtree
 */
  __pyx_t_1 = PyList_New(1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 6, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_INCREF(__pyx_n_s_contextmanager);
  __Pyx_GIVEREF(__pyx_n_s_contextmanager);
  PyList_SET_ITEM(__pyx_t_1, 0, __pyx_n_s_contextmanager);
  __pyx_t_2 = __Pyx_Import(__pyx_n_s_contextlib, __pyx_t_1, 0); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 6, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_1 = __Pyx_ImportFrom(__pyx_t_2, __pyx_n_s_contextmanager); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 6, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_contextmanager, __pyx_t_1) < 0) __PYX_ERR(0, 6, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":7
 * 
 * from contextlib import contextmanager
 * from os import makedirs, path             # <<<<<<<<<<<<<<
 * from shutil import rmtree
 * 
 */
  __pyx_t_2 = PyList_New(2); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 7, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_INCREF(__pyx_n_s_makedirs);
  __Pyx_GIVEREF(__pyx_n_s_makedirs);
  PyList_SET_ITEM(__pyx_t_2, 0, __pyx_n_s_makedirs);
  __Pyx_INCREF(__pyx_n_s_path);
  __Pyx_GIVEREF(__pyx_n_s_path);
  PyList_SET_ITEM(__pyx_t_2, 1, __pyx_n_s_path);
  __pyx_t_1 = __Pyx_Import(__pyx_n_s_os, __pyx_t_2, 0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 7, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = __Pyx_ImportFrom(__pyx_t_1, __pyx_n_s_makedirs); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 7, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_makedirs, __pyx_t_2) < 0) __PYX_ERR(0, 7, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = __Pyx_ImportFrom(__pyx_t_1, __pyx_n_s_path); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 7, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_path, __pyx_t_2) < 0) __PYX_ERR(0, 7, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":8
 * from contextlib import contextmanager
 * from os import makedirs, path
 * from shutil import rmtree             # <<<<<<<<<<<<<<
 * 
 * from lakesuperior import env, wsgi
 */
  __pyx_t_1 = PyList_New(1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 8, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_INCREF(__pyx_n_s_rmtree);
  __Pyx_GIVEREF(__pyx_n_s_rmtree);
  PyList_SET_ITEM(__pyx_t_1, 0, __pyx_n_s_rmtree);
  __pyx_t_2 = __Pyx_Import(__pyx_n_s_shutil, __pyx_t_1, 0); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 8, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_1 = __Pyx_ImportFrom(__pyx_t_2, __pyx_n_s_rmtree); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 8, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_rmtree, __pyx_t_1) < 0) __PYX_ERR(0, 8, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":10
 * from shutil import rmtree
 * 
 * from lakesuperior import env, wsgi             # <<<<<<<<<<<<<<
 * 
 * from lakesuperior.cy_include cimport cylmdb as lmdb
 */
  __pyx_t_2 = PyList_New(2); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 10, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_INCREF(__pyx_n_s_env);
  __Pyx_GIVEREF(__pyx_n_s_env);
  PyList_SET_ITEM(__pyx_t_2, 0, __pyx_n_s_env);
  __Pyx_INCREF(__pyx_n_s_wsgi);
  __Pyx_GIVEREF(__pyx_n_s_wsgi);
  PyList_SET_ITEM(__pyx_t_2, 1, __pyx_n_s_wsgi);
  __pyx_t_1 = __Pyx_Import(__pyx_n_s_lakesuperior, __pyx_t_2, 0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 10, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = __Pyx_ImportFrom(__pyx_t_1, __pyx_n_s_env); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 10, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_env, __pyx_t_2) < 0) __PYX_ERR(0, 10, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __pyx_t_2 = __Pyx_ImportFrom(__pyx_t_1, __pyx_n_s_wsgi); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 10, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_wsgi, __pyx_t_2) < 0) __PYX_ERR(0, 10, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":19
 * 
 * 
 * logger = logging.getLogger(__name__)             # <<<<<<<<<<<<<<
 * 
 * 
 */
  __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_logging); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 19, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_getLogger); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 19, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_name); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 19, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_3 = __Pyx_PyObject_CallOneArg(__pyx_t_2, __pyx_t_1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 19, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_logger, __pyx_t_3) < 0) __PYX_ERR(0, 19, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":38
 * 
 * 
 * class LmdbError(Exception):             # <<<<<<<<<<<<<<
 *     pass
 * 
 */
  __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 38, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_INCREF(((PyObject *)(&((PyTypeObject*)PyExc_Exception)[0])));
  __Pyx_GIVEREF(((PyObject *)(&((PyTypeObject*)PyExc_Exception)[0])));
  PyTuple_SET_ITEM(__pyx_t_3, 0, ((PyObject *)(&((PyTypeObject*)PyExc_Exception)[0])));
  __pyx_t_1 = __Pyx_CalculateMetaclass(NULL, __pyx_t_3); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 38, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_2 = __Pyx_Py3MetaclassPrepare(__pyx_t_1, __pyx_t_3, __pyx_n_s_LmdbError, __pyx_n_s_LmdbError, (PyObject *) NULL, __pyx_n_s_lakesuperior_store_base_lmdb_sto, (PyObject *) NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 38, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_4 = __Pyx_Py3ClassCreate(__pyx_t_1, __pyx_n_s_LmdbError, __pyx_t_3, __pyx_t_2, NULL, 0, 0); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 38, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_LmdbError, __pyx_t_4) < 0) __PYX_ERR(0, 38, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":41
 *     pass
 * 
 * class KeyNotFoundError(LmdbError):             # <<<<<<<<<<<<<<
 *     pass
 * 
 */
  __pyx_t_3 = __Pyx_GetModuleGlobalName(__pyx_n_s_LmdbError); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 41, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 41, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __Pyx_GIVEREF(__pyx_t_3);
  PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_t_3);
  __pyx_t_3 = 0;
  __pyx_t_3 = __Pyx_CalculateMetaclass(NULL, __pyx_t_1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 41, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __pyx_t_2 = __Pyx_Py3MetaclassPrepare(__pyx_t_3, __pyx_t_1, __pyx_n_s_KeyNotFoundError, __pyx_n_s_KeyNotFoundError, (PyObject *) NULL, __pyx_n_s_lakesuperior_store_base_lmdb_sto, (PyObject *) NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 41, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_4 = __Pyx_Py3ClassCreate(__pyx_t_3, __pyx_n_s_KeyNotFoundError, __pyx_t_1, __pyx_t_2, NULL, 0, 0); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 41, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_KeyNotFoundError, __pyx_t_4) < 0) __PYX_ERR(0, 41, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":44
 *     pass
 * 
 * class KeyExistsError(LmdbError):             # <<<<<<<<<<<<<<
 *     pass
 * 
 */
  __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_LmdbError); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 44, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 44, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  __Pyx_GIVEREF(__pyx_t_1);
  PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_1);
  __pyx_t_1 = 0;
  __pyx_t_1 = __Pyx_CalculateMetaclass(NULL, __pyx_t_3); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 44, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);
  __pyx_t_2 = __Pyx_Py3MetaclassPrepare(__pyx_t_1, __pyx_t_3, __pyx_n_s_KeyExistsError, __pyx_n_s_KeyExistsError, (PyObject *) NULL, __pyx_n_s_lakesuperior_store_base_lmdb_sto, (PyObject *) NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 44, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_4 = __Pyx_Py3ClassCreate(__pyx_t_1, __pyx_n_s_KeyExistsError, __pyx_t_3, __pyx_t_2, NULL, 0, 0); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 44, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_4);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_KeyExistsError, __pyx_t_4) < 0) __PYX_ERR(0, 44, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;

  /* "lakesuperior/store/base_lmdb_store.pyx":71
 *     """
 * 
 *     dbi_labels = []             # <<<<<<<<<<<<<<
 *     dbi_flags = {}
 *     """
 */
  __pyx_t_3 = PyList_New(0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 71, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (PyDict_SetItem((PyObject *)__pyx_ptype_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore->tp_dict, __pyx_n_s_dbi_labels, __pyx_t_3) < 0) __PYX_ERR(0, 71, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  PyType_Modified(__pyx_ptype_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore);

  /* "lakesuperior/store/base_lmdb_store.pyx":72
 * 
 *     dbi_labels = []
 *     dbi_flags = {}             # <<<<<<<<<<<<<<
 *     """
 *     Configuration of databases in the environment.
 */
  __pyx_t_3 = __Pyx_PyDict_NewPresized(0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 72, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (PyDict_SetItem((PyObject *)__pyx_ptype_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore->tp_dict, __pyx_n_s_dbi_flags, __pyx_t_3) < 0) __PYX_ERR(0, 72, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  PyType_Modified(__pyx_ptype_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore);

  /* "lakesuperior/store/base_lmdb_store.pyx":87
 *     """
 * 
 *     env_flags = 0             # <<<<<<<<<<<<<<
 *     """
 *     LMDB environment flags.
 */
  if (PyDict_SetItem((PyObject *)__pyx_ptype_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore->tp_dict, __pyx_n_s_env_flags, __pyx_int_0) < 0) __PYX_ERR(0, 87, __pyx_L1_error)
  PyType_Modified(__pyx_ptype_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore);

  /* "lakesuperior/store/base_lmdb_store.pyx":95
 *     """
 * 
 *     env_perms = 0o640             # <<<<<<<<<<<<<<
 *     """
 *     The UNIX permissions to set on created environment files and semaphores.
 */
  if (PyDict_SetItem((PyObject *)__pyx_ptype_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore->tp_dict, __pyx_n_s_env_perms, __pyx_int_416) < 0) __PYX_ERR(0, 95, __pyx_L1_error)
  PyType_Modified(__pyx_ptype_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore);

  /* "lakesuperior/store/base_lmdb_store.pyx":103
 *     """
 * 
 *     options = {}             # <<<<<<<<<<<<<<
 *     """
 *     LMDB environment option overrides. Setting this is not required.
 */
  __pyx_t_3 = __Pyx_PyDict_NewPresized(0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 103, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (PyDict_SetItem((PyObject *)__pyx_ptype_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore->tp_dict, __pyx_n_s_options, __pyx_t_3) < 0) __PYX_ERR(0, 103, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  PyType_Modified(__pyx_ptype_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore);

  /* "lakesuperior/store/base_lmdb_store.pyx":122
 *     """
 * 
 *     readers_mult = 4             # <<<<<<<<<<<<<<
 *     """
 *     Number to multiply WSGI workers by to set the numer of LMDB reader slots.
 */
  if (PyDict_SetItem((PyObject *)__pyx_ptype_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore->tp_dict, __pyx_n_s_readers_mult, __pyx_int_4) < 0) __PYX_ERR(0, 122, __pyx_L1_error)
  PyType_Modified(__pyx_ptype_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore);

  /* "lakesuperior/store/base_lmdb_store.pyx":333
 *     ### PYTHON-ACCESSIBLE METHODS ###
 * 
 *     @contextmanager             # <<<<<<<<<<<<<<
 *     def txn_ctx(self, write=False):
 *         """
 */
  __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_contextmanager); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 333, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_1);

  /* "lakesuperior/store/base_lmdb_store.pyx":334
 * 
 *     @contextmanager
 *     def txn_ctx(self, write=False):             # <<<<<<<<<<<<<<
 *         """
 *         Transaction context manager.
 */
  __pyx_t_2 = __Pyx_GetNameInClass((PyObject *)__pyx_ptype_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore, __pyx_n_s_txn_ctx); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 334, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_2);
  __pyx_t_4 = NULL;
  if (CYTHON_UNPACK_METHODS && unlikely(PyMethod_Check(__pyx_t_1))) {
    __pyx_t_4 = PyMethod_GET_SELF(__pyx_t_1);
    if (likely(__pyx_t_4)) {
      PyObject* function = PyMethod_GET_FUNCTION(__pyx_t_1);
      __Pyx_INCREF(__pyx_t_4);
      __Pyx_INCREF(function);
      __Pyx_DECREF_SET(__pyx_t_1, function);
    }
  }
  if (!__pyx_t_4) {
    __pyx_t_3 = __Pyx_PyObject_CallOneArg(__pyx_t_1, __pyx_t_2); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 333, __pyx_L1_error)
    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    __Pyx_GOTREF(__pyx_t_3);
  } else {
    #if CYTHON_FAST_PYCALL
    if (PyFunction_Check(__pyx_t_1)) {
      PyObject *__pyx_temp[2] = {__pyx_t_4, __pyx_t_2};
      __pyx_t_3 = __Pyx_PyFunction_FastCall(__pyx_t_1, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 333, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    } else
    #endif
    #if CYTHON_FAST_PYCCALL
    if (__Pyx_PyFastCFunction_Check(__pyx_t_1)) {
      PyObject *__pyx_temp[2] = {__pyx_t_4, __pyx_t_2};
      __pyx_t_3 = __Pyx_PyCFunction_FastCall(__pyx_t_1, __pyx_temp+1-1, 1+1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 333, __pyx_L1_error)
      __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
    } else
    #endif
    {
      __pyx_t_5 = PyTuple_New(1+1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 333, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_5);
      __Pyx_GIVEREF(__pyx_t_4); PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_4); __pyx_t_4 = NULL;
      __Pyx_GIVEREF(__pyx_t_2);
      PyTuple_SET_ITEM(__pyx_t_5, 0+1, __pyx_t_2);
      __pyx_t_2 = 0;
      __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_1, __pyx_t_5, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 333, __pyx_L1_error)
      __Pyx_GOTREF(__pyx_t_3);
      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
    }
  }
  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
  if (PyDict_SetItem((PyObject *)__pyx_ptype_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore->tp_dict, __pyx_n_s_txn_ctx, __pyx_t_3) < 0) __PYX_ERR(0, 334, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  PyType_Modified(__pyx_ptype_12lakesuperior_5store_15base_lmdb_store_BaseLmdbStore);

  /* "lakesuperior/store/base_lmdb_store.pyx":416
 *     cdef inline bint _key_exists(
 *             self, unsigned char *key, unsigned char klen,
 *             unsigned char *dblabel=b'') except -1:             # <<<<<<<<<<<<<<
 *         """
 *         Return whether a key exists in a database.
 */
  __pyx_k__14 = ((unsigned char *)((char const *)""));

  /* "lakesuperior/store/base_lmdb_store.pyx":449
 *     cdef void _put(
 *             self, unsigned char *key, size_t key_size, unsigned char *data,
 *             size_t data_size, unsigned char *dblabel='',             # <<<<<<<<<<<<<<
 *             lmdb.MDB_txn *txn=NULL, unsigned int flags=0) except *:
 *         """
 */
  __pyx_k__15 = ((unsigned char *)((char const *)""));

  /* "lakesuperior/store/base_lmdb_store.pyx":484
 *     cdef void _get_data(
 *             self, unsigned char *key, size_t klen, lmdb.MDB_val *rv,
 *             unsigned char *dblabel='') except *:             # <<<<<<<<<<<<<<
 *         """
 *         Get a single value (non-dup) for a key.
 */
  __pyx_k__16 = ((unsigned char *)((char const *)""));

  /* "lakesuperior/store/base_lmdb_store.pyx":508
 *     cdef void _delete(
 *             self, unsigned char *key, size_t klen,
 *             unsigned char *dblabel=b'') except *:             # <<<<<<<<<<<<<<
 *         """
 *         Delete one single value by key from a non-dup database.
 */
  __pyx_k__17 = ((unsigned char *)((char const *)""));

  /* "lakesuperior/store/base_lmdb_store.pyx":1
 * import logging             # <<<<<<<<<<<<<<
 * import os
 * import threading
 */
  __pyx_t_3 = __Pyx_PyDict_NewPresized(0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1, __pyx_L1_error)
  __Pyx_GOTREF(__pyx_t_3);
  if (PyDict_SetItem(__pyx_d, __pyx_n_s_test, __pyx_t_3) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
  __Pyx_TraceReturn(Py_None, 0);

  /*--- Wrapped vars code ---*/

  goto __pyx_L0;
  __pyx_L1_error:;
  __Pyx_XDECREF(__pyx_t_1);
  __Pyx_XDECREF(__pyx_t_2);
  __Pyx_XDECREF(__pyx_t_3);
  __Pyx_XDECREF(__pyx_t_4);
  __Pyx_XDECREF(__pyx_t_5);
  if (__pyx_m) {
    if (__pyx_d) {
      __Pyx_AddTraceback("init lakesuperior.store.base_lmdb_store", 0, __pyx_lineno, __pyx_filename);
    }
    Py_DECREF(__pyx_m); __pyx_m = 0;
  } else if (!PyErr_Occurred()) {
    PyErr_SetString(PyExc_ImportError, "init lakesuperior.store.base_lmdb_store");
  }
  __pyx_L0:;
  __Pyx_RefNannyFinishContext();
  #if CYTHON_PEP489_MULTI_PHASE_INIT
  return (__pyx_m != NULL) ? 0 : -1;
  #elif PY_MAJOR_VERSION >= 3
  return __pyx_m;
  #else
  return;
  #endif
}

/* --- Runtime support code --- */
/* Refnanny */
#if CYTHON_REFNANNY
static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname) {
    PyObject *m = NULL, *p = NULL;
    void *r = NULL;
    m = PyImport_ImportModule((char *)modname);
    if (!m) goto end;
    p = PyObject_GetAttrString(m, (char *)"RefNannyAPI");
    if (!p) goto end;
    r = PyLong_AsVoidPtr(p);
end:
    Py_XDECREF(p);
    Py_XDECREF(m);
    return (__Pyx_RefNannyAPIStruct *)r;
}
#endif

/* PyObjectGetAttrStr */
#if CYTHON_USE_TYPE_SLOTS
static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) {
    PyTypeObject* tp = Py_TYPE(obj);
    if (likely(tp->tp_getattro))
        return tp->tp_getattro(obj, attr_name);
#if PY_MAJOR_VERSION < 3
    if (likely(tp->tp_getattr))
        return tp->tp_getattr(obj, PyString_AS_STRING(attr_name));
#endif
    return PyObject_GetAttr(obj, attr_name);
}
#endif

/* GetBuiltinName */
static PyObject *__Pyx_GetBuiltinName(PyObject *name) {
    PyObject* result = __Pyx_PyObject_GetAttrStr(__pyx_b, name);
    if (unlikely(!result)) {
        PyErr_Format(PyExc_NameError,
#if PY_MAJOR_VERSION >= 3
            "name '%U' is not defined", name);
#else
            "name '%.200s' is not defined", PyString_AS_STRING(name));
#endif
    }
    return result;
}

/* PyErrFetchRestore */
#if CYTHON_FAST_THREAD_STATE
static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    tmp_type = tstate->curexc_type;
    tmp_value = tstate->curexc_value;
    tmp_tb = tstate->curexc_traceback;
    tstate->curexc_type = type;
    tstate->curexc_value = value;
    tstate->curexc_traceback = tb;
    Py_XDECREF(tmp_type);
    Py_XDECREF(tmp_value);
    Py_XDECREF(tmp_tb);
}
static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
    *type = tstate->curexc_type;
    *value = tstate->curexc_value;
    *tb = tstate->curexc_traceback;
    tstate->curexc_type = 0;
    tstate->curexc_value = 0;
    tstate->curexc_traceback = 0;
}
#endif

/* Profile */
#if CYTHON_PROFILE
static int __Pyx_TraceSetupAndCall(PyCodeObject** code,
                                   PyFrameObject** frame,
                                   PyThreadState* tstate,
                                   const char *funcname,
                                   const char *srcfile,
                                   int firstlineno) {
    PyObject *type, *value, *traceback;
    int retval;
    if (*frame == NULL || !CYTHON_PROFILE_REUSE_FRAME) {
        if (*code == NULL) {
            *code = __Pyx_createFrameCodeObject(funcname, srcfile, firstlineno);
            if (*code == NULL) return 0;
        }
        *frame = PyFrame_New(
            tstate,                          /*PyThreadState *tstate*/
            *code,                           /*PyCodeObject *code*/
            __pyx_d,                  /*PyObject *globals*/
            0                                /*PyObject *locals*/
        );
        if (*frame == NULL) return 0;
        if (CYTHON_TRACE && (*frame)->f_trace == NULL) {
            Py_INCREF(Py_None);
            (*frame)->f_trace = Py_None;
        }
#if PY_VERSION_HEX < 0x030400B1
    } else {
        (*frame)->f_tstate = tstate;
#endif
    }
      __Pyx_PyFrame_SetLineNumber(*frame, firstlineno);
    retval = 1;
    tstate->tracing++;
    tstate->use_tracing = 0;
    __Pyx_ErrFetchInState(tstate, &type, &value, &traceback);
    #if CYTHON_TRACE
    if (tstate->c_tracefunc)
        retval = tstate->c_tracefunc(tstate->c_traceobj, *frame, PyTrace_CALL, NULL) == 0;
    if (retval && tstate->c_profilefunc)
    #endif
        retval = tstate->c_profilefunc(tstate->c_profileobj, *frame, PyTrace_CALL, NULL) == 0;
    tstate->use_tracing = (tstate->c_profilefunc ||
                           (CYTHON_TRACE && tstate->c_tracefunc));
    tstate->tracing--;
    if (retval) {
        __Pyx_ErrRestoreInState(tstate, type, value, traceback);
        return tstate->use_tracing && retval;
    } else {
        Py_XDECREF(type);
        Py_XDECREF(value);
        Py_XDECREF(traceback);
        return -1;
    }
}
static PyCodeObject *__Pyx_createFrameCodeObject(const char *funcname, const char *srcfile, int firstlineno) {
    PyObject *py_srcfile = 0;
    PyObject *py_funcname = 0;
    PyCodeObject *py_code = 0;
    #if PY_MAJOR_VERSION < 3
    py_funcname = PyString_FromString(funcname);
    py_srcfile = PyString_FromString(srcfile);
    #else
    py_funcname = PyUnicode_FromString(funcname);
    py_srcfile = PyUnicode_FromString(srcfile);
    #endif
    if (!py_funcname | !py_srcfile) goto bad;
    py_code = PyCode_New(
        0,
        #if PY_MAJOR_VERSION >= 3
        0,
        #endif
        0,
        0,
        CO_OPTIMIZED | CO_NEWLOCALS,
        __pyx_empty_bytes,     /*PyObject *code,*/
        __pyx_empty_tuple,     /*PyObject *consts,*/
        __pyx_empty_tuple,     /*PyObject *names,*/
        __pyx_empty_tuple,     /*PyObject *varnames,*/
        __pyx_empty_tuple,     /*PyObject *freevars,*/
        __pyx_empty_tuple,     /*PyObject *cellvars,*/
        py_srcfile,       /*PyObject *filename,*/
        py_funcname,      /*PyObject *name,*/
        firstlineno,
        __pyx_empty_bytes      /*PyObject *lnotab*/
    );
bad:
    Py_XDECREF(py_srcfile);
    Py_XDECREF(py_funcname);
    return py_code;
}
#endif

/* GetModuleGlobalName */
static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name) {
    PyObject *result;
#if !CYTHON_AVOID_BORROWED_REFS
#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1
    result = _PyDict_GetItem_KnownHash(__pyx_d, name, ((PyASCIIObject *) name)->hash);
    if (likely(result)) {
        Py_INCREF(result);
    } else if (unlikely(PyErr_Occurred())) {
        result = NULL;
    } else {
#else
    result = PyDict_GetItem(__pyx_d, name);
    if (likely(result)) {
        Py_INCREF(result);
    } else {
#endif
#else
    result = PyObject_GetItem(__pyx_d, name);
    if (!result) {
        PyErr_Clear();
#endif
        result = __Pyx_GetBuiltinName(name);
    }
    return result;
}

/* PyCFunctionFastCall */
    #if CYTHON_FAST_PYCCALL
static CYTHON_INLINE PyObject * __Pyx_PyCFunction_FastCall(PyObject *func_obj, PyObject **args, Py_ssize_t nargs) {
    PyCFunctionObject *func = (PyCFunctionObject*)func_obj;
    PyCFunction meth = PyCFunction_GET_FUNCTION(func);
    PyObject *self = PyCFunction_GET_SELF(func);
    int flags = PyCFunction_GET_FLAGS(func);
    assert(PyCFunction_Check(func));
    assert(METH_FASTCALL == (flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS)));
    assert(nargs >= 0);
    assert(nargs == 0 || args != NULL);
    /* _PyCFunction_FastCallDict() must not be called with an exception set,
       because it may clear it (directly or indirectly) and so the
       caller loses its exception */
    assert(!PyErr_Occurred());
    if ((PY_VERSION_HEX < 0x030700A0) || unlikely(flags & METH_KEYWORDS)) {
        return (*((__Pyx_PyCFunctionFastWithKeywords)meth)) (self, args, nargs, NULL);
    } else {
        return (*((__Pyx_PyCFunctionFast)meth)) (self, args, nargs);
    }
}
#endif

/* PyFunctionFastCall */
    #if CYTHON_FAST_PYCALL
#include "frameobject.h"
static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na,
                                               PyObject *globals) {
    PyFrameObject *f;
    PyThreadState *tstate = __Pyx_PyThreadState_Current;
    PyObject **fastlocals;
    Py_ssize_t i;
    PyObject *result;
    assert(globals != NULL);
    /* XXX Perhaps we should create a specialized
       PyFrame_New() that doesn't take locals, but does
       take builtins without sanity checking them.
       */
    assert(tstate != NULL);
    f = PyFrame_New(tstate, co, globals, NULL);
    if (f == NULL) {
        return NULL;
    }
    fastlocals = f->f_localsplus;
    for (i = 0; i < na; i++) {
        Py_INCREF(*args);
        fastlocals[i] = *args++;
    }
    result = PyEval_EvalFrameEx(f,0);
    ++tstate->recursion_depth;
    Py_DECREF(f);
    --tstate->recursion_depth;
    return result;
}
#if 1 || PY_VERSION_HEX < 0x030600B1
static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, int nargs, PyObject *kwargs) {
    PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func);
    PyObject *globals = PyFunction_GET_GLOBALS(func);
    PyObject *argdefs = PyFunction_GET_DEFAULTS(func);
    PyObject *closure;
#if PY_MAJOR_VERSION >= 3
    PyObject *kwdefs;
#endif
    PyObject *kwtuple, **k;
    PyObject **d;
    Py_ssize_t nd;
    Py_ssize_t nk;
    PyObject *result;
    assert(kwargs == NULL || PyDict_Check(kwargs));
    nk = kwargs ? PyDict_Size(kwargs) : 0;
    if (Py_EnterRecursiveCall((char*)" while calling a Python object")) {
        return NULL;
    }
    if (
#if PY_MAJOR_VERSION >= 3
            co->co_kwonlyargcount == 0 &&
#endif
            likely(kwargs == NULL || nk == 0) &&
            co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) {
        if (argdefs == NULL && co->co_argcount == nargs) {
            result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals);
            goto done;
        }
        else if (nargs == 0 && argdefs != NULL
                 && co->co_argcount == Py_SIZE(argdefs)) {
            /* function called with no arguments, but all parameters have
               a default value: use default values as arguments .*/
            args = &PyTuple_GET_ITEM(argdefs, 0);
            result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals);
            goto done;
        }
    }
    if (kwargs != NULL) {
        Py_ssize_t pos, i;
        kwtuple = PyTuple_New(2 * nk);
        if (kwtuple == NULL) {
            result = NULL;
            goto done;
        }
        k = &PyTuple_GET_ITEM(kwtuple, 0);
        pos = i = 0;
        while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) {
            Py_INCREF(k[i]);
            Py_INCREF(k[i+1]);
            i += 2;
        }
        nk = i / 2;
    }
    else {
        kwtuple = NULL;
        k = NULL;
    }
    closure = PyFunction_GET_CLOSURE(func);
#if PY_MAJOR_VERSION >= 3
    kwdefs = PyFunction_GET_KW_DEFAULTS(func);
#endif
    if (argdefs != NULL) {
        d = &PyTuple_GET_ITEM(argdefs, 0);
        nd = Py_SIZE(argdefs);
    }
    else {
        d = NULL;
        nd = 0;
    }
#if PY_MAJOR_VERSION >= 3
    result = PyEval_EvalCodeEx((PyObject*)co, globals, (PyObject *)NULL,
                               args, nargs,
                               k, (int)nk,
                               d, (int)nd, kwdefs, closure);
#else
    result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL,
                               args, nargs,
                               k, (int)nk,
                               d, (int)nd, closure);
#endif
    Py_XDECREF(kwtuple);
done:
    Py_LeaveRecursiveCall();
    return result;
}
#endif
#endif

/* PyObjectCall */
    #if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
    PyObject *result;
    ternaryfunc call = func->ob_type->tp_call;
    if (unlikely(!call))
        return PyObject_Call(func, arg, kw);
    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
        return NULL;
    result = (*call)(func, arg, kw);
    Py_LeaveRecursiveCall();
    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
        PyErr_SetString(
            PyExc_SystemError,
            "NULL result without error in PyObject_Call");
    }
    return result;
}
#endif

/* PyObjectCallMethO */
    #if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) {
    PyObject *self, *result;
    PyCFunction cfunc;
    cfunc = PyCFunction_GET_FUNCTION(func);
    self = PyCFunction_GET_SELF(func);
    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
        return NULL;
    result = cfunc(self, arg);
    Py_LeaveRecursiveCall();
    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
        PyErr_SetString(
            PyExc_SystemError,
            "NULL result without error in PyObject_Call");
    }
    return result;
}
#endif

/* PyObjectCallOneArg */
    #if CYTHON_COMPILING_IN_CPYTHON
static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) {
    PyObject *result;
    PyObject *args = PyTuple_New(1);
    if (unlikely(!args)) return NULL;
    Py_INCREF(arg);
    PyTuple_SET_ITEM(args, 0, arg);
    result = __Pyx_PyObject_Call(func, args, NULL);
    Py_DECREF(args);
    return result;
}
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
#if CYTHON_FAST_PYCALL
    if (PyFunction_Check(func)) {
        return __Pyx_PyFunction_FastCall(func, &arg, 1);
    }
#endif
    if (likely(PyCFunction_Check(func))) {
        if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) {
            return __Pyx_PyObject_CallMethO(func, arg);
#if CYTHON_FAST_PYCCALL
        } else if (PyCFunction_GET_FLAGS(func) & METH_FASTCALL) {
            return __Pyx_PyCFunction_FastCall(func, &arg, 1);
#endif
        }
    }
    return __Pyx__PyObject_CallOneArg(func, arg);
}
#else
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
    PyObject *result;
    PyObject *args = PyTuple_Pack(1, arg);
    if (unlikely(!args)) return NULL;
    result = __Pyx_PyObject_Call(func, args, NULL);
    Py_DECREF(args);
    return result;
}
#endif

/* PyObjectCallNoArg */
    #if CYTHON_COMPILING_IN_CPYTHON
static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) {
#if CYTHON_FAST_PYCALL
    if (PyFunction_Check(func)) {
        return __Pyx_PyFunction_FastCall(func, NULL, 0);
    }
#endif
#ifdef __Pyx_CyFunction_USED
    if (likely(PyCFunction_Check(func) || __Pyx_TypeCheck(func, __pyx_CyFunctionType))) {
#else
    if (likely(PyCFunction_Check(func))) {
#endif
        if (likely(PyCFunction_GET_FLAGS(func) & METH_NOARGS)) {
            return __Pyx_PyObject_CallMethO(func, NULL);
        }
    }
    return __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL);
}
#endif

/* RaiseException */
      #if PY_MAJOR_VERSION < 3
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
                        CYTHON_UNUSED PyObject *cause) {
    __Pyx_PyThreadState_declare
    Py_XINCREF(type);
    if (!value || value == Py_None)
        value = NULL;
    else
        Py_INCREF(value);
    if (!tb || tb == Py_None)
        tb = NULL;
    else {
        Py_INCREF(tb);
        if (!PyTraceBack_Check(tb)) {
            PyErr_SetString(PyExc_TypeError,
                "raise: arg 3 must be a traceback or None");
            goto raise_error;
        }
    }
    if (PyType_Check(type)) {
#if CYTHON_COMPILING_IN_PYPY
        if (!value) {
            Py_INCREF(Py_None);
            value = Py_None;
        }
#endif
        PyErr_NormalizeException(&type, &value, &tb);
    } else {
        if (value) {
            PyErr_SetString(PyExc_TypeError,
                "instance exception may not have a separate value");
            goto raise_error;
        }
        value = type;
        type = (PyObject*) Py_TYPE(type);
        Py_INCREF(type);
        if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
            PyErr_SetString(PyExc_TypeError,
                "raise: exception class must be a subclass of BaseException");
            goto raise_error;
        }
    }
    __Pyx_PyThreadState_assign
    __Pyx_ErrRestore(type, value, tb);
    return;
raise_error:
    Py_XDECREF(value);
    Py_XDECREF(type);
    Py_XDECREF(tb);
    return;
}
#else
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
    PyObject* owned_instance = NULL;
    if (tb == Py_None) {
        tb = 0;
    } else if (tb && !PyTraceBack_Check(tb)) {
        PyErr_SetString(PyExc_TypeError,
            "raise: arg 3 must be a traceback or None");
        goto bad;
    }
    if (value == Py_None)
        value = 0;
    if (PyExceptionInstance_Check(type)) {
        if (value) {
            PyErr_SetString(PyExc_TypeError,
                "instance exception may not have a separate value");
            goto bad;
        }
        value = type;
        type = (PyObject*) Py_TYPE(value);
    } else if (PyExceptionClass_Check(type)) {
        PyObject *instance_class = NULL;
        if (value && PyExceptionInstance_Check(value)) {
            instance_class = (PyObject*) Py_TYPE(value);
            if (instance_class != type) {
                int is_subclass = PyObject_IsSubclass(instance_class, type);
                if (!is_subclass) {
                    instance_class = NULL;
                } else if (unlikely(is_subclass == -1)) {
                    goto bad;
                } else {
                    type = instance_class;
                }
            }
        }
        if (!instance_class) {
            PyObject *args;
            if (!value)
                args = PyTuple_New(0);
            else if (PyTuple_Check(value)) {
                Py_INCREF(value);
                args = value;
            } else
                args = PyTuple_Pack(1, value);
            if (!args)
                goto bad;
            owned_instance = PyObject_Call(type, args, NULL);
            Py_DECREF(args);
            if (!owned_instance)
                goto bad;
            value = owned_instance;
            if (!PyExceptionInstance_Check(value)) {
                PyErr_Format(PyExc_TypeError,
                             "calling %R should have returned an instance of "
                             "BaseException, not %R",
                             type, Py_TYPE(value));
                goto bad;
            }
        }
    } else {
        PyErr_SetString(PyExc_TypeError,
            "raise: exception class must be a subclass of BaseException");
        goto bad;
    }
    if (cause) {
        PyObject *fixed_cause;
        if (cause == Py_None) {
            fixed_cause = NULL;
        } else if (PyExceptionClass_Check(cause)) {
            fixed_cause = PyObject_CallObject(cause, NULL);
            if (fixed_cause == NULL)
                goto bad;
        } else if (PyExceptionInstance_Check(cause)) {
            fixed_cause = cause;
            Py_INCREF(fixed_cause);
        } else {
            PyErr_SetString(PyExc_TypeError,
                            "exception causes must derive from "
                            "BaseException");
            goto bad;
        }
        PyException_SetCause(value, fixed_cause);
    }
    PyErr_SetObject(type, value);
    if (tb) {
#if CYTHON_COMPILING_IN_PYPY
        PyObject *tmp_type, *tmp_value, *tmp_tb;
        PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
        Py_INCREF(tb);
        PyErr_Restore(tmp_type, tmp_value, tb);
        Py_XDECREF(tmp_tb);
#else
        PyThreadState *tstate = __Pyx_PyThreadState_Current;
        PyObject* tmp_tb = tstate->curexc_traceback;
        if (tb != tmp_tb) {
            Py_INCREF(tb);
            tstate->curexc_traceback = tb;
            Py_XDECREF(tmp_tb);
        }
#endif
    }
bad:
    Py_XDECREF(owned_instance);
    return;
}
#endif

/* decode_c_string */
      static CYTHON_INLINE PyObject* __Pyx_decode_c_string(
         const char* cstring, Py_ssize_t start, Py_ssize_t stop,
         const char* encoding, const char* errors,
         PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors)) {
    Py_ssize_t length;
    if (unlikely((start < 0) | (stop < 0))) {
        size_t slen = strlen(cstring);
        if (unlikely(slen > (size_t) PY_SSIZE_T_MAX)) {
            PyErr_SetString(PyExc_OverflowError,
                            "c-string too long to convert to Python");
            return NULL;
        }
        length = (Py_ssize_t) slen;
        if (start < 0) {
            start += length;
            if (start < 0)
                start = 0;
        }
        if (stop < 0)
            stop += length;
    }
    length = stop - start;
    if (unlikely(length <= 0))
        return PyUnicode_FromUnicode(NULL, 0);
    cstring += start;
    if (decode_func) {
        return decode_func(cstring, length, errors);
    } else {
        return PyUnicode_Decode(cstring, length, encoding, errors);
    }
}

/* RaiseDoubleKeywords */
      static void __Pyx_RaiseDoubleKeywordsError(
    const char* func_name,
    PyObject* kw_name)
{
    PyErr_Format(PyExc_TypeError,
        #if PY_MAJOR_VERSION >= 3
        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
        #else
        "%s() got multiple values for keyword argument '%s'", func_name,
        PyString_AsString(kw_name));
        #endif
}

/* ParseKeywords */
      static int __Pyx_ParseOptionalKeywords(
    PyObject *kwds,
    PyObject **argnames[],
    PyObject *kwds2,
    PyObject *values[],
    Py_ssize_t num_pos_args,
    const char* function_name)
{
    PyObject *key = 0, *value = 0;
    Py_ssize_t pos = 0;
    PyObject*** name;
    PyObject*** first_kw_arg = argnames + num_pos_args;
    while (PyDict_Next(kwds, &pos, &key, &value)) {
        name = first_kw_arg;
        while (*name && (**name != key)) name++;
        if (*name) {
            values[name-argnames] = value;
            continue;
        }
        name = first_kw_arg;
        #if PY_MAJOR_VERSION < 3
        if (likely(PyString_CheckExact(key)) || likely(PyString_Check(key))) {
            while (*name) {
                if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key))
                        && _PyString_Eq(**name, key)) {
                    values[name-argnames] = value;
                    break;
                }
                name++;
            }
            if (*name) continue;
            else {
                PyObject*** argname = argnames;
                while (argname != first_kw_arg) {
                    if ((**argname == key) || (
                            (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key))
                             && _PyString_Eq(**argname, key))) {
                        goto arg_passed_twice;
                    }
                    argname++;
                }
            }
        } else
        #endif
        if (likely(PyUnicode_Check(key))) {
            while (*name) {
                int cmp = (**name == key) ? 0 :
                #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
                    (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
                #endif
                    PyUnicode_Compare(**name, key);
                if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
                if (cmp == 0) {
                    values[name-argnames] = value;
                    break;
                }
                name++;
            }
            if (*name) continue;
            else {
                PyObject*** argname = argnames;
                while (argname != first_kw_arg) {
                    int cmp = (**argname == key) ? 0 :
                    #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
                        (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
                    #endif
                        PyUnicode_Compare(**argname, key);
                    if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
                    if (cmp == 0) goto arg_passed_twice;
                    argname++;
                }
            }
        } else
            goto invalid_keyword_type;
        if (kwds2) {
            if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
        } else {
            goto invalid_keyword;
        }
    }
    return 0;
arg_passed_twice:
    __Pyx_RaiseDoubleKeywordsError(function_name, key);
    goto bad;
invalid_keyword_type:
    PyErr_Format(PyExc_TypeError,
        "%.200s() keywords must be strings", function_name);
    goto bad;
invalid_keyword:
    PyErr_Format(PyExc_TypeError,
    #if PY_MAJOR_VERSION < 3
        "%.200s() got an unexpected keyword argument '%.200s'",
        function_name, PyString_AsString(key));
    #else
        "%s() got an unexpected keyword argument '%U'",
        function_name, key);
    #endif
bad:
    return -1;
}

/* RaiseArgTupleInvalid */
      static void __Pyx_RaiseArgtupleInvalid(
    const char* func_name,
    int exact,
    Py_ssize_t num_min,
    Py_ssize_t num_max,
    Py_ssize_t num_found)
{
    Py_ssize_t num_expected;
    const char *more_or_less;
    if (num_found < num_min) {
        num_expected = num_min;
        more_or_less = "at least";
    } else {
        num_expected = num_max;
        more_or_less = "at most";
    }
    if (exact) {
        more_or_less = "exactly";
    }
    PyErr_Format(PyExc_TypeError,
                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
                 func_name, more_or_less, num_expected,
                 (num_expected == 1) ? "" : "s", num_found);
}

/* WriteUnraisableException */
      static void __Pyx_WriteUnraisable(const char *name, CYTHON_UNUSED int clineno,
                                  CYTHON_UNUSED int lineno, CYTHON_UNUSED const char *filename,
                                  int full_traceback, CYTHON_UNUSED int nogil) {
    PyObject *old_exc, *old_val, *old_tb;
    PyObject *ctx;
    __Pyx_PyThreadState_declare
#ifdef WITH_THREAD
    PyGILState_STATE state;
    if (nogil)
        state = PyGILState_Ensure();
#ifdef _MSC_VER
    else state = (PyGILState_STATE)-1;
#endif
#endif
    __Pyx_PyThreadState_assign
    __Pyx_ErrFetch(&old_exc, &old_val, &old_tb);
    if (full_traceback) {
        Py_XINCREF(old_exc);
        Py_XINCREF(old_val);
        Py_XINCREF(old_tb);
        __Pyx_ErrRestore(old_exc, old_val, old_tb);
        PyErr_PrintEx(1);
    }
    #if PY_MAJOR_VERSION < 3
    ctx = PyString_FromString(name);
    #else
    ctx = PyUnicode_FromString(name);
    #endif
    __Pyx_ErrRestore(old_exc, old_val, old_tb);
    if (!ctx) {
        PyErr_WriteUnraisable(Py_None);
    } else {
        PyErr_WriteUnraisable(ctx);
        Py_DECREF(ctx);
    }
#ifdef WITH_THREAD
    if (nogil)
        PyGILState_Release(state);
#endif
}

/* SaveResetException */
      #if CYTHON_FAST_THREAD_STATE
static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
    #if PY_VERSION_HEX >= 0x030700A3
    *type = tstate->exc_state.exc_type;
    *value = tstate->exc_state.exc_value;
    *tb = tstate->exc_state.exc_traceback;
    #else
    *type = tstate->exc_type;
    *value = tstate->exc_value;
    *tb = tstate->exc_traceback;
    #endif
    Py_XINCREF(*type);
    Py_XINCREF(*value);
    Py_XINCREF(*tb);
}
static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    #if PY_VERSION_HEX >= 0x030700A3
    tmp_type = tstate->exc_state.exc_type;
    tmp_value = tstate->exc_state.exc_value;
    tmp_tb = tstate->exc_state.exc_traceback;
    tstate->exc_state.exc_type = type;
    tstate->exc_state.exc_value = value;
    tstate->exc_state.exc_traceback = tb;
    #else
    tmp_type = tstate->exc_type;
    tmp_value = tstate->exc_value;
    tmp_tb = tstate->exc_traceback;
    tstate->exc_type = type;
    tstate->exc_value = value;
    tstate->exc_traceback = tb;
    #endif
    Py_XDECREF(tmp_type);
    Py_XDECREF(tmp_value);
    Py_XDECREF(tmp_tb);
}
#endif

/* PyErrExceptionMatches */
      #if CYTHON_FAST_THREAD_STATE
static int __Pyx_PyErr_ExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
    Py_ssize_t i, n;
    n = PyTuple_GET_SIZE(tuple);
#if PY_MAJOR_VERSION >= 3
    for (i=0; i<n; i++) {
        if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
    }
#endif
    for (i=0; i<n; i++) {
        if (__Pyx_PyErr_GivenExceptionMatches(exc_type, PyTuple_GET_ITEM(tuple, i))) return 1;
    }
    return 0;
}
static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err) {
    PyObject *exc_type = tstate->curexc_type;
    if (exc_type == err) return 1;
    if (unlikely(!exc_type)) return 0;
    if (unlikely(PyTuple_Check(err)))
        return __Pyx_PyErr_ExceptionMatchesTuple(exc_type, err);
    return __Pyx_PyErr_GivenExceptionMatches(exc_type, err);
}
#endif

/* GetException */
      #if CYTHON_FAST_THREAD_STATE
static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
#else
static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
#endif
    PyObject *local_type, *local_value, *local_tb;
#if CYTHON_FAST_THREAD_STATE
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    local_type = tstate->curexc_type;
    local_value = tstate->curexc_value;
    local_tb = tstate->curexc_traceback;
    tstate->curexc_type = 0;
    tstate->curexc_value = 0;
    tstate->curexc_traceback = 0;
#else
    PyErr_Fetch(&local_type, &local_value, &local_tb);
#endif
    PyErr_NormalizeException(&local_type, &local_value, &local_tb);
#if CYTHON_FAST_THREAD_STATE
    if (unlikely(tstate->curexc_type))
#else
    if (unlikely(PyErr_Occurred()))
#endif
        goto bad;
    #if PY_MAJOR_VERSION >= 3
    if (local_tb) {
        if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
            goto bad;
    }
    #endif
    Py_XINCREF(local_tb);
    Py_XINCREF(local_type);
    Py_XINCREF(local_value);
    *type = local_type;
    *value = local_value;
    *tb = local_tb;
#if CYTHON_FAST_THREAD_STATE
    #if PY_VERSION_HEX >= 0x030700A3
    tmp_type = tstate->exc_state.exc_type;
    tmp_value = tstate->exc_state.exc_value;
    tmp_tb = tstate->exc_state.exc_traceback;
    tstate->exc_state.exc_type = local_type;
    tstate->exc_state.exc_value = local_value;
    tstate->exc_state.exc_traceback = local_tb;
    #else
    tmp_type = tstate->exc_type;
    tmp_value = tstate->exc_value;
    tmp_tb = tstate->exc_traceback;
    tstate->exc_type = local_type;
    tstate->exc_value = local_value;
    tstate->exc_traceback = local_tb;
    #endif
    Py_XDECREF(tmp_type);
    Py_XDECREF(tmp_value);
    Py_XDECREF(tmp_tb);
#else
    PyErr_SetExcInfo(local_type, local_value, local_tb);
#endif
    return 0;
bad:
    *type = 0;
    *value = 0;
    *tb = 0;
    Py_XDECREF(local_type);
    Py_XDECREF(local_value);
    Py_XDECREF(local_tb);
    return -1;
}

/* SwapException */
        #if CYTHON_FAST_THREAD_STATE
static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    #if PY_VERSION_HEX >= 0x030700A3
    tmp_type = tstate->exc_state.exc_type;
    tmp_value = tstate->exc_state.exc_value;
    tmp_tb = tstate->exc_state.exc_traceback;
    tstate->exc_state.exc_type = *type;
    tstate->exc_state.exc_value = *value;
    tstate->exc_state.exc_traceback = *tb;
    #else
    tmp_type = tstate->exc_type;
    tmp_value = tstate->exc_value;
    tmp_tb = tstate->exc_traceback;
    tstate->exc_type = *type;
    tstate->exc_value = *value;
    tstate->exc_traceback = *tb;
    #endif
    *type = tmp_type;
    *value = tmp_value;
    *tb = tmp_tb;
}
#else
static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
    PyObject *tmp_type, *tmp_value, *tmp_tb;
    PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb);
    PyErr_SetExcInfo(*type, *value, *tb);
    *type = tmp_type;
    *value = tmp_value;
    *tb = tmp_tb;
}
#endif

/* PyUnicode_Unicode */
        static CYTHON_INLINE PyObject* __Pyx_PyUnicode_Unicode(PyObject *obj) {
    if (unlikely(obj == Py_None))
        obj = __pyx_kp_u_None;
    return __Pyx_NewRef(obj);
}

/* JoinPyUnicode */
        static PyObject* __Pyx_PyUnicode_Join(PyObject* value_tuple, Py_ssize_t value_count, Py_ssize_t result_ulength,
                                      CYTHON_UNUSED Py_UCS4 max_char) {
#if CYTHON_USE_UNICODE_INTERNALS && CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
    PyObject *result_uval;
    int result_ukind;
    Py_ssize_t i, char_pos;
    void *result_udata;
#if CYTHON_PEP393_ENABLED
    result_uval = PyUnicode_New(result_ulength, max_char);
    if (unlikely(!result_uval)) return NULL;
    result_ukind = (max_char <= 255) ? PyUnicode_1BYTE_KIND : (max_char <= 65535) ? PyUnicode_2BYTE_KIND : PyUnicode_4BYTE_KIND;
    result_udata = PyUnicode_DATA(result_uval);
#else
    result_uval = PyUnicode_FromUnicode(NULL, result_ulength);
    if (unlikely(!result_uval)) return NULL;
    result_ukind = sizeof(Py_UNICODE);
    result_udata = PyUnicode_AS_UNICODE(result_uval);
#endif
    char_pos = 0;
    for (i=0; i < value_count; i++) {
        int ukind;
        Py_ssize_t ulength;
        void *udata;
        PyObject *uval = PyTuple_GET_ITEM(value_tuple, i);
        if (unlikely(__Pyx_PyUnicode_READY(uval)))
            goto bad;
        ulength = __Pyx_PyUnicode_GET_LENGTH(uval);
        if (unlikely(!ulength))
            continue;
        if (unlikely(char_pos + ulength < 0))
            goto overflow;
        ukind = __Pyx_PyUnicode_KIND(uval);
        udata = __Pyx_PyUnicode_DATA(uval);
        if (!CYTHON_PEP393_ENABLED || ukind == result_ukind) {
            memcpy((char *)result_udata + char_pos * result_ukind, udata, (size_t) (ulength * result_ukind));
        } else {
            #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030300F0 || defined(_PyUnicode_FastCopyCharacters)
            _PyUnicode_FastCopyCharacters(result_uval, char_pos, uval, 0, ulength);
            #else
            Py_ssize_t j;
            for (j=0; j < ulength; j++) {
                Py_UCS4 uchar = __Pyx_PyUnicode_READ(ukind, udata, j);
                __Pyx_PyUnicode_WRITE(result_ukind, result_udata, char_pos+j, uchar);
            }
            #endif
        }
        char_pos += ulength;
    }
    return result_uval;
overflow:
    PyErr_SetString(PyExc_OverflowError, "join() result is too long for a Python string");
bad:
    Py_DECREF(result_uval);
    return NULL;
#else
    result_ulength++;
    value_count++;
    return PyUnicode_Join(__pyx_empty_unicode, value_tuple);
#endif
}

/* FastTypeChecks */
        #if CYTHON_COMPILING_IN_CPYTHON
static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) {
    while (a) {
        a = a->tp_base;
        if (a == b)
            return 1;
    }
    return b == &PyBaseObject_Type;
}
static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) {
    PyObject *mro;
    if (a == b) return 1;
    mro = a->tp_mro;
    if (likely(mro)) {
        Py_ssize_t i, n;
        n = PyTuple_GET_SIZE(mro);
        for (i = 0; i < n; i++) {
            if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b)
                return 1;
        }
        return 0;
    }
    return __Pyx_InBases(a, b);
}
#if PY_MAJOR_VERSION == 2
static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject* exc_type2) {
    PyObject *exception, *value, *tb;
    int res;
    __Pyx_PyThreadState_declare
    __Pyx_PyThreadState_assign
    __Pyx_ErrFetch(&exception, &value, &tb);
    res = exc_type1 ? PyObject_IsSubclass(err, exc_type1) : 0;
    if (unlikely(res == -1)) {
        PyErr_WriteUnraisable(err);
        res = 0;
    }
    if (!res) {
        res = PyObject_IsSubclass(err, exc_type2);
        if (unlikely(res == -1)) {
            PyErr_WriteUnraisable(err);
            res = 0;
        }
    }
    __Pyx_ErrRestore(exception, value, tb);
    return res;
}
#else
static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) {
    int res = exc_type1 ? __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type1) : 0;
    if (!res) {
        res = __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2);
    }
    return res;
}
#endif
static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
    Py_ssize_t i, n;
    assert(PyExceptionClass_Check(exc_type));
    n = PyTuple_GET_SIZE(tuple);
#if PY_MAJOR_VERSION >= 3
    for (i=0; i<n; i++) {
        if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
    }
#endif
    for (i=0; i<n; i++) {
        PyObject *t = PyTuple_GET_ITEM(tuple, i);
        #if PY_MAJOR_VERSION < 3
        if (likely(exc_type == t)) return 1;
        #endif
        if (likely(PyExceptionClass_Check(t))) {
            if (__Pyx_inner_PyErr_GivenExceptionMatches2(exc_type, NULL, t)) return 1;
        } else {
        }
    }
    return 0;
}
static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject* exc_type) {
    if (likely(err == exc_type)) return 1;
    if (likely(PyExceptionClass_Check(err))) {
        if (likely(PyExceptionClass_Check(exc_type))) {
            return __Pyx_inner_PyErr_GivenExceptionMatches2(err, NULL, exc_type);
        } else if (likely(PyTuple_Check(exc_type))) {
            return __Pyx_PyErr_GivenExceptionMatchesTuple(err, exc_type);
        } else {
        }
    }
    return PyErr_GivenExceptionMatches(err, exc_type);
}
static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *exc_type1, PyObject *exc_type2) {
    assert(PyExceptionClass_Check(exc_type1));
    assert(PyExceptionClass_Check(exc_type2));
    if (likely(err == exc_type1 || err == exc_type2)) return 1;
    if (likely(PyExceptionClass_Check(err))) {
        return __Pyx_inner_PyErr_GivenExceptionMatches2(err, exc_type1, exc_type2);
    }
    return (PyErr_GivenExceptionMatches(err, exc_type1) || PyErr_GivenExceptionMatches(err, exc_type2));
}
#endif

/* PyObjectSetAttrStr */
        #if CYTHON_USE_TYPE_SLOTS
static CYTHON_INLINE int __Pyx_PyObject_SetAttrStr(PyObject* obj, PyObject* attr_name, PyObject* value) {
    PyTypeObject* tp = Py_TYPE(obj);
    if (likely(tp->tp_setattro))
        return tp->tp_setattro(obj, attr_name, value);
#if PY_MAJOR_VERSION < 3
    if (likely(tp->tp_setattr))
        return tp->tp_setattr(obj, PyString_AS_STRING(attr_name), value);
#endif
    return PyObject_SetAttr(obj, attr_name, value);
}
#endif

/* PyIntBinop */
        #if !CYTHON_COMPILING_IN_PYPY
static PyObject* __Pyx_PyInt_AddObjC(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, CYTHON_UNUSED int inplace) {
    #if PY_MAJOR_VERSION < 3
    if (likely(PyInt_CheckExact(op1))) {
        const long b = intval;
        long x;
        long a = PyInt_AS_LONG(op1);
            x = (long)((unsigned long)a + b);
            if (likely((x^a) >= 0 || (x^b) >= 0))
                return PyInt_FromLong(x);
            return PyLong_Type.tp_as_number->nb_add(op1, op2);
    }
    #endif
    #if CYTHON_USE_PYLONG_INTERNALS
    if (likely(PyLong_CheckExact(op1))) {
        const long b = intval;
        long a, x;
#ifdef HAVE_LONG_LONG
        const PY_LONG_LONG llb = intval;
        PY_LONG_LONG lla, llx;
#endif
        const digit* digits = ((PyLongObject*)op1)->ob_digit;
        const Py_ssize_t size = Py_SIZE(op1);
        if (likely(__Pyx_sst_abs(size) <= 1)) {
            a = likely(size) ? digits[0] : 0;
            if (size == -1) a = -a;
        } else {
            switch (size) {
                case -2:
                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                        a = -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
                        lla = -(PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                    CYTHON_FALLTHROUGH;
                case 2:
                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                        a = (long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 2 * PyLong_SHIFT) {
                        lla = (PY_LONG_LONG) (((((unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                    CYTHON_FALLTHROUGH;
                case -3:
                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                        a = -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
                        lla = -(PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                    CYTHON_FALLTHROUGH;
                case 3:
                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                        a = (long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 3 * PyLong_SHIFT) {
                        lla = (PY_LONG_LONG) (((((((unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                    CYTHON_FALLTHROUGH;
                case -4:
                    if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                        a = -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
                        lla = -(PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                    CYTHON_FALLTHROUGH;
                case 4:
                    if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                        a = (long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]));
                        break;
#ifdef HAVE_LONG_LONG
                    } else if (8 * sizeof(PY_LONG_LONG) - 1 > 4 * PyLong_SHIFT) {
                        lla = (PY_LONG_LONG) (((((((((unsigned PY_LONG_LONG)digits[3]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[2]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[1]) << PyLong_SHIFT) | (unsigned PY_LONG_LONG)digits[0]));
                        goto long_long;
#endif
                    }
                    CYTHON_FALLTHROUGH;
                default: return PyLong_Type.tp_as_number->nb_add(op1, op2);
            }
        }
                x = a + b;
            return PyLong_FromLong(x);
#ifdef HAVE_LONG_LONG
        long_long:
                llx = lla + llb;
            return PyLong_FromLongLong(llx);
#endif
        
        
    }
    #endif
    if (PyFloat_CheckExact(op1)) {
        const long b = intval;
        double a = PyFloat_AS_DOUBLE(op1);
            double result;
            PyFPE_START_PROTECT("add", return NULL)
            result = ((double)a) + (double)b;
            PyFPE_END_PROTECT(result)
            return PyFloat_FromDouble(result);
    }
    return (inplace ? PyNumber_InPlaceAdd : PyNumber_Add)(op1, op2);
}
#endif

/* DictGetItem */
        #if PY_MAJOR_VERSION >= 3 && !CYTHON_COMPILING_IN_PYPY
static PyObject *__Pyx_PyDict_GetItem(PyObject *d, PyObject* key) {
    PyObject *value;
    value = PyDict_GetItemWithError(d, key);
    if (unlikely(!value)) {
        if (!PyErr_Occurred()) {
            PyObject* args = PyTuple_Pack(1, key);
            if (likely(args))
                PyErr_SetObject(PyExc_KeyError, args);
            Py_XDECREF(args);
        }
        return NULL;
    }
    Py_INCREF(value);
    return value;
}
#endif

/* PyObject_GenericGetAttrNoDict */
        #if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
static PyObject *__Pyx_RaiseGenericGetAttributeError(PyTypeObject *tp, PyObject *attr_name) {
    PyErr_Format(PyExc_AttributeError,
#if PY_MAJOR_VERSION >= 3
                 "'%.50s' object has no attribute '%U'",
                 tp->tp_name, attr_name);
#else
                 "'%.50s' object has no attribute '%.400s'",
                 tp->tp_name, PyString_AS_STRING(attr_name));
#endif
    return NULL;
}
static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name) {
    PyObject *descr;
    PyTypeObject *tp = Py_TYPE(obj);
    if (unlikely(!PyString_Check(attr_name))) {
        return PyObject_GenericGetAttr(obj, attr_name);
    }
    assert(!tp->tp_dictoffset);
    descr = _PyType_Lookup(tp, attr_name);
    if (unlikely(!descr)) {
        return __Pyx_RaiseGenericGetAttributeError(tp, attr_name);
    }
    Py_INCREF(descr);
    #if PY_MAJOR_VERSION < 3
    if (likely(PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_HAVE_CLASS)))
    #endif
    {
        descrgetfunc f = Py_TYPE(descr)->tp_descr_get;
        if (unlikely(f)) {
            PyObject *res = f(descr, obj, (PyObject *)tp);
            Py_DECREF(descr);
            return res;
        }
    }
    return descr;
}
#endif

/* PyObject_GenericGetAttr */
        #if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name) {
    if (unlikely(Py_TYPE(obj)->tp_dictoffset)) {
        return PyObject_GenericGetAttr(obj, attr_name);
    }
    return __Pyx_PyObject_GenericGetAttrNoDict(obj, attr_name);
}
#endif

/* SetVTable */
        static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
#if PY_VERSION_HEX >= 0x02070000
    PyObject *ob = PyCapsule_New(vtable, 0, 0);
#else
    PyObject *ob = PyCObject_FromVoidPtr(vtable, 0);
#endif
    if (!ob)
        goto bad;
    if (PyDict_SetItem(dict, __pyx_n_s_pyx_vtable, ob) < 0)
        goto bad;
    Py_DECREF(ob);
    return 0;
bad:
    Py_XDECREF(ob);
    return -1;
}

/* SetupReduce */
        static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) {
  int ret;
  PyObject *name_attr;
  name_attr = __Pyx_PyObject_GetAttrStr(meth, __pyx_n_s_name);
  if (likely(name_attr)) {
      ret = PyObject_RichCompareBool(name_attr, name, Py_EQ);
  } else {
      ret = -1;
  }
  if (unlikely(ret < 0)) {
      PyErr_Clear();
      ret = 0;
  }
  Py_XDECREF(name_attr);
  return ret;
}
static int __Pyx_setup_reduce(PyObject* type_obj) {
    int ret = 0;
    PyObject *object_reduce = NULL;
    PyObject *object_reduce_ex = NULL;
    PyObject *reduce = NULL;
    PyObject *reduce_ex = NULL;
    PyObject *reduce_cython = NULL;
    PyObject *setstate = NULL;
    PyObject *setstate_cython = NULL;
#if CYTHON_USE_PYTYPE_LOOKUP
    if (_PyType_Lookup((PyTypeObject*)type_obj, __pyx_n_s_getstate)) goto GOOD;
#else
    if (PyObject_HasAttr(type_obj, __pyx_n_s_getstate)) goto GOOD;
#endif
#if CYTHON_USE_PYTYPE_LOOKUP
    object_reduce_ex = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto BAD;
#else
    object_reduce_ex = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto BAD;
#endif
    reduce_ex = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce_ex); if (unlikely(!reduce_ex)) goto BAD;
    if (reduce_ex == object_reduce_ex) {
#if CYTHON_USE_PYTYPE_LOOKUP
        object_reduce = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto BAD;
#else
        object_reduce = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto BAD;
#endif
        reduce = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce); if (unlikely(!reduce)) goto BAD;
        if (reduce == object_reduce || __Pyx_setup_reduce_is_named(reduce, __pyx_n_s_reduce_cython)) {
            reduce_cython = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce_cython); if (unlikely(!reduce_cython)) goto BAD;
            ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce, reduce_cython); if (unlikely(ret < 0)) goto BAD;
            ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce_cython); if (unlikely(ret < 0)) goto BAD;
            setstate = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_setstate);
            if (!setstate) PyErr_Clear();
            if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) {
                setstate_cython = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_setstate_cython); if (unlikely(!setstate_cython)) goto BAD;
                ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate, setstate_cython); if (unlikely(ret < 0)) goto BAD;
                ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate_cython); if (unlikely(ret < 0)) goto BAD;
            }
            PyType_Modified((PyTypeObject*)type_obj);
        }
    }
    goto GOOD;
BAD:
    if (!PyErr_Occurred())
        PyErr_Format(PyExc_RuntimeError, "Unable to initialize pickling for %s", ((PyTypeObject*)type_obj)->tp_name);
    ret = -1;
GOOD:
#if !CYTHON_USE_PYTYPE_LOOKUP
    Py_XDECREF(object_reduce);
    Py_XDECREF(object_reduce_ex);
#endif
    Py_XDECREF(reduce);
    Py_XDECREF(reduce_ex);
    Py_XDECREF(reduce_cython);
    Py_XDECREF(setstate);
    Py_XDECREF(setstate_cython);
    return ret;
}

/* Import */
        static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
    PyObject *empty_list = 0;
    PyObject *module = 0;
    PyObject *global_dict = 0;
    PyObject *empty_dict = 0;
    PyObject *list;
    #if PY_MAJOR_VERSION < 3
    PyObject *py_import;
    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
    if (!py_import)
        goto bad;
    #endif
    if (from_list)
        list = from_list;
    else {
        empty_list = PyList_New(0);
        if (!empty_list)
            goto bad;
        list = empty_list;
    }
    global_dict = PyModule_GetDict(__pyx_m);
    if (!global_dict)
        goto bad;
    empty_dict = PyDict_New();
    if (!empty_dict)
        goto bad;
    {
        #if PY_MAJOR_VERSION >= 3
        if (level == -1) {
            if (strchr(__Pyx_MODULE_NAME, '.')) {
                module = PyImport_ImportModuleLevelObject(
                    name, global_dict, empty_dict, list, 1);
                if (!module) {
                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
                        goto bad;
                    PyErr_Clear();
                }
            }
            level = 0;
        }
        #endif
        if (!module) {
            #if PY_MAJOR_VERSION < 3
            PyObject *py_level = PyInt_FromLong(level);
            if (!py_level)
                goto bad;
            module = PyObject_CallFunctionObjArgs(py_import,
                name, global_dict, empty_dict, list, py_level, NULL);
            Py_DECREF(py_level);
            #else
            module = PyImport_ImportModuleLevelObject(
                name, global_dict, empty_dict, list, level);
            #endif
        }
    }
bad:
    #if PY_MAJOR_VERSION < 3
    Py_XDECREF(py_import);
    #endif
    Py_XDECREF(empty_list);
    Py_XDECREF(empty_dict);
    return module;
}

/* ImportFrom */
        static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) {
    PyObject* value = __Pyx_PyObject_GetAttrStr(module, name);
    if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) {
        PyErr_Format(PyExc_ImportError,
        #if PY_MAJOR_VERSION < 3
            "cannot import name %.230s", PyString_AS_STRING(name));
        #else
            "cannot import name %S", name);
        #endif
    }
    return value;
}

/* CalculateMetaclass */
        static PyObject *__Pyx_CalculateMetaclass(PyTypeObject *metaclass, PyObject *bases) {
    Py_ssize_t i, nbases = PyTuple_GET_SIZE(bases);
    for (i=0; i < nbases; i++) {
        PyTypeObject *tmptype;
        PyObject *tmp = PyTuple_GET_ITEM(bases, i);
        tmptype = Py_TYPE(tmp);
#if PY_MAJOR_VERSION < 3
        if (tmptype == &PyClass_Type)
            continue;
#endif
        if (!metaclass) {
            metaclass = tmptype;
            continue;
        }
        if (PyType_IsSubtype(metaclass, tmptype))
            continue;
        if (PyType_IsSubtype(tmptype, metaclass)) {
            metaclass = tmptype;
            continue;
        }
        PyErr_SetString(PyExc_TypeError,
                        "metaclass conflict: "
                        "the metaclass of a derived class "
                        "must be a (non-strict) subclass "
                        "of the metaclasses of all its bases");
        return NULL;
    }
    if (!metaclass) {
#if PY_MAJOR_VERSION < 3
        metaclass = &PyClass_Type;
#else
        metaclass = &PyType_Type;
#endif
    }
    Py_INCREF((PyObject*) metaclass);
    return (PyObject*) metaclass;
}

/* Py3ClassCreate */
        static PyObject *__Pyx_Py3MetaclassPrepare(PyObject *metaclass, PyObject *bases, PyObject *name,
                                           PyObject *qualname, PyObject *mkw, PyObject *modname, PyObject *doc) {
    PyObject *ns;
    if (metaclass) {
        PyObject *prep = __Pyx_PyObject_GetAttrStr(metaclass, __pyx_n_s_prepare);
        if (prep) {
            PyObject *pargs = PyTuple_Pack(2, name, bases);
            if (unlikely(!pargs)) {
                Py_DECREF(prep);
                return NULL;
            }
            ns = PyObject_Call(prep, pargs, mkw);
            Py_DECREF(prep);
            Py_DECREF(pargs);
        } else {
            if (unlikely(!PyErr_ExceptionMatches(PyExc_AttributeError)))
                return NULL;
            PyErr_Clear();
            ns = PyDict_New();
        }
    } else {
        ns = PyDict_New();
    }
    if (unlikely(!ns))
        return NULL;
    if (unlikely(PyObject_SetItem(ns, __pyx_n_s_module, modname) < 0)) goto bad;
    if (unlikely(PyObject_SetItem(ns, __pyx_n_s_qualname, qualname) < 0)) goto bad;
    if (unlikely(doc && PyObject_SetItem(ns, __pyx_n_s_doc, doc) < 0)) goto bad;
    return ns;
bad:
    Py_DECREF(ns);
    return NULL;
}
static PyObject *__Pyx_Py3ClassCreate(PyObject *metaclass, PyObject *name, PyObject *bases,
                                      PyObject *dict, PyObject *mkw,
                                      int calculate_metaclass, int allow_py2_metaclass) {
    PyObject *result, *margs;
    PyObject *owned_metaclass = NULL;
    if (allow_py2_metaclass) {
        owned_metaclass = PyObject_GetItem(dict, __pyx_n_s_metaclass);
        if (owned_metaclass) {
            metaclass = owned_metaclass;
        } else if (likely(PyErr_ExceptionMatches(PyExc_KeyError))) {
            PyErr_Clear();
        } else {
            return NULL;
        }
    }
    if (calculate_metaclass && (!metaclass || PyType_Check(metaclass))) {
        metaclass = __Pyx_CalculateMetaclass((PyTypeObject*) metaclass, bases);
        Py_XDECREF(owned_metaclass);
        if (unlikely(!metaclass))
            return NULL;
        owned_metaclass = metaclass;
    }
    margs = PyTuple_Pack(3, name, bases, dict);
    if (unlikely(!margs)) {
        result = NULL;
    } else {
        result = PyObject_Call(metaclass, margs, mkw);
        Py_DECREF(margs);
    }
    Py_XDECREF(owned_metaclass);
    return result;
}

/* GetNameInClass */
        static PyObject *__Pyx_GetGlobalNameAfterAttributeLookup(PyObject *name) {
    __Pyx_PyThreadState_declare
    __Pyx_PyThreadState_assign
    if (unlikely(!__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError)))
        return NULL;
    __Pyx_PyErr_Clear();
    return __Pyx_GetModuleGlobalName(name);
}
static PyObject *__Pyx_GetNameInClass(PyObject *nmspace, PyObject *name) {
    PyObject *result;
    result = __Pyx_PyObject_GetAttrStr(nmspace, name);
    if (!result) {
        result = __Pyx_GetGlobalNameAfterAttributeLookup(name);
    }
    return result;
}

/* CLineInTraceback */
        #ifndef CYTHON_CLINE_IN_TRACEBACK
static int __Pyx_CLineForTraceback(CYTHON_UNUSED PyThreadState *tstate, int c_line) {
    PyObject *use_cline;
    PyObject *ptype, *pvalue, *ptraceback;
#if CYTHON_COMPILING_IN_CPYTHON
    PyObject **cython_runtime_dict;
#endif
    if (unlikely(!__pyx_cython_runtime)) {
        return c_line;
    }
    __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback);
#if CYTHON_COMPILING_IN_CPYTHON
    cython_runtime_dict = _PyObject_GetDictPtr(__pyx_cython_runtime);
    if (likely(cython_runtime_dict)) {
      use_cline = __Pyx_PyDict_GetItemStr(*cython_runtime_dict, __pyx_n_s_cline_in_traceback);
    } else
#endif
    {
      PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback);
      if (use_cline_obj) {
        use_cline = PyObject_Not(use_cline_obj) ? Py_False : Py_True;
        Py_DECREF(use_cline_obj);
      } else {
        PyErr_Clear();
        use_cline = NULL;
      }
    }
    if (!use_cline) {
        c_line = 0;
        PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False);
    }
    else if (PyObject_Not(use_cline) != 0) {
        c_line = 0;
    }
    __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback);
    return c_line;
}
#endif

/* CodeObjectCache */
        static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
    int start = 0, mid = 0, end = count - 1;
    if (end >= 0 && code_line > entries[end].code_line) {
        return count;
    }
    while (start < end) {
        mid = start + (end - start) / 2;
        if (code_line < entries[mid].code_line) {
            end = mid;
        } else if (code_line > entries[mid].code_line) {
             start = mid + 1;
        } else {
            return mid;
        }
    }
    if (code_line <= entries[mid].code_line) {
        return mid;
    } else {
        return mid + 1;
    }
}
static PyCodeObject *__pyx_find_code_object(int code_line) {
    PyCodeObject* code_object;
    int pos;
    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
        return NULL;
    }
    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
        return NULL;
    }
    code_object = __pyx_code_cache.entries[pos].code_object;
    Py_INCREF(code_object);
    return code_object;
}
static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
    int pos, i;
    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
    if (unlikely(!code_line)) {
        return;
    }
    if (unlikely(!entries)) {
        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
        if (likely(entries)) {
            __pyx_code_cache.entries = entries;
            __pyx_code_cache.max_count = 64;
            __pyx_code_cache.count = 1;
            entries[0].code_line = code_line;
            entries[0].code_object = code_object;
            Py_INCREF(code_object);
        }
        return;
    }
    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
        PyCodeObject* tmp = entries[pos].code_object;
        entries[pos].code_object = code_object;
        Py_DECREF(tmp);
        return;
    }
    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
        int new_max = __pyx_code_cache.max_count + 64;
        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
            __pyx_code_cache.entries, (size_t)new_max*sizeof(__Pyx_CodeObjectCacheEntry));
        if (unlikely(!entries)) {
            return;
        }
        __pyx_code_cache.entries = entries;
        __pyx_code_cache.max_count = new_max;
    }
    for (i=__pyx_code_cache.count; i>pos; i--) {
        entries[i] = entries[i-1];
    }
    entries[pos].code_line = code_line;
    entries[pos].code_object = code_object;
    __pyx_code_cache.count++;
    Py_INCREF(code_object);
}

/* AddTraceback */
        #include "compile.h"
#include "frameobject.h"
#include "traceback.h"
static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
            const char *funcname, int c_line,
            int py_line, const char *filename) {
    PyCodeObject *py_code = 0;
    PyObject *py_srcfile = 0;
    PyObject *py_funcname = 0;
    #if PY_MAJOR_VERSION < 3
    py_srcfile = PyString_FromString(filename);
    #else
    py_srcfile = PyUnicode_FromString(filename);
    #endif
    if (!py_srcfile) goto bad;
    if (c_line) {
        #if PY_MAJOR_VERSION < 3
        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
        #else
        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
        #endif
    }
    else {
        #if PY_MAJOR_VERSION < 3
        py_funcname = PyString_FromString(funcname);
        #else
        py_funcname = PyUnicode_FromString(funcname);
        #endif
    }
    if (!py_funcname) goto bad;
    py_code = __Pyx_PyCode_New(
        0,
        0,
        0,
        0,
        0,
        __pyx_empty_bytes, /*PyObject *code,*/
        __pyx_empty_tuple, /*PyObject *consts,*/
        __pyx_empty_tuple, /*PyObject *names,*/
        __pyx_empty_tuple, /*PyObject *varnames,*/
        __pyx_empty_tuple, /*PyObject *freevars,*/
        __pyx_empty_tuple, /*PyObject *cellvars,*/
        py_srcfile,   /*PyObject *filename,*/
        py_funcname,  /*PyObject *name,*/
        py_line,
        __pyx_empty_bytes  /*PyObject *lnotab*/
    );
    Py_DECREF(py_srcfile);
    Py_DECREF(py_funcname);
    return py_code;
bad:
    Py_XDECREF(py_srcfile);
    Py_XDECREF(py_funcname);
    return NULL;
}
static void __Pyx_AddTraceback(const char *funcname, int c_line,
                               int py_line, const char *filename) {
    PyCodeObject *py_code = 0;
    PyFrameObject *py_frame = 0;
    PyThreadState *tstate = __Pyx_PyThreadState_Current;
    if (c_line) {
        c_line = __Pyx_CLineForTraceback(tstate, c_line);
    }
    py_code = __pyx_find_code_object(c_line ? -c_line : py_line);
    if (!py_code) {
        py_code = __Pyx_CreateCodeObjectForTraceback(
            funcname, c_line, py_line, filename);
        if (!py_code) goto bad;
        __pyx_insert_code_object(c_line ? -c_line : py_line, py_code);
    }
    py_frame = PyFrame_New(
        tstate,            /*PyThreadState *tstate,*/
        py_code,           /*PyCodeObject *code,*/
        __pyx_d,    /*PyObject *globals,*/
        0                  /*PyObject *locals*/
    );
    if (!py_frame) goto bad;
    __Pyx_PyFrame_SetLineNumber(py_frame, py_line);
    PyTraceBack_Here(py_frame);
bad:
    Py_XDECREF(py_code);
    Py_XDECREF(py_frame);
}

/* CIntToPy */
        static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
    const int neg_one = (int) -1, const_zero = (int) 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(int) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(int) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
#endif
        }
    } else {
        if (sizeof(int) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
#endif
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(int),
                                     little, !is_unsigned);
    }
}

/* CIntToPy */
        static CYTHON_INLINE PyObject* __Pyx_PyInt_From_unsigned_int(unsigned int value) {
    const unsigned int neg_one = (unsigned int) -1, const_zero = (unsigned int) 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(unsigned int) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(unsigned int) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(unsigned int) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
#endif
        }
    } else {
        if (sizeof(unsigned int) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(unsigned int) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
#endif
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(unsigned int),
                                     little, !is_unsigned);
    }
}

/* CIntToPy */
        static CYTHON_INLINE PyObject* __Pyx_PyInt_From_unsigned_long(unsigned long value) {
    const unsigned long neg_one = (unsigned long) -1, const_zero = (unsigned long) 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(unsigned long) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(unsigned long) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(unsigned long) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
#endif
        }
    } else {
        if (sizeof(unsigned long) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(unsigned long) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
#endif
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(unsigned long),
                                     little, !is_unsigned);
    }
}

/* CIntFromPyVerify */
        #define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\
    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0)
#define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\
    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1)
#define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\
    {\
        func_type value = func_value;\
        if (sizeof(target_type) < sizeof(func_type)) {\
            if (unlikely(value != (func_type) (target_type) value)) {\
                func_type zero = 0;\
                if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\
                    return (target_type) -1;\
                if (is_unsigned && unlikely(value < zero))\
                    goto raise_neg_overflow;\
                else\
                    goto raise_overflow;\
            }\
        }\
        return (target_type) value;\
    }

/* CIntToPy */
        static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
    const long neg_one = (long) -1, const_zero = (long) 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(long) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(long) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
#endif
        }
    } else {
        if (sizeof(long) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
#endif
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(long),
                                     little, !is_unsigned);
    }
}

/* CIntToPy */
        static CYTHON_INLINE PyObject* __Pyx_PyInt_From_MDB_dbi(MDB_dbi value) {
    const MDB_dbi neg_one = (MDB_dbi) -1, const_zero = (MDB_dbi) 0;
    const int is_unsigned = neg_one > const_zero;
    if (is_unsigned) {
        if (sizeof(MDB_dbi) < sizeof(long)) {
            return PyInt_FromLong((long) value);
        } else if (sizeof(MDB_dbi) <= sizeof(unsigned long)) {
            return PyLong_FromUnsignedLong((unsigned long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(MDB_dbi) <= sizeof(unsigned PY_LONG_LONG)) {
            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
#endif
        }
    } else {
        if (sizeof(MDB_dbi) <= sizeof(long)) {
            return PyInt_FromLong((long) value);
#ifdef HAVE_LONG_LONG
        } else if (sizeof(MDB_dbi) <= sizeof(PY_LONG_LONG)) {
            return PyLong_FromLongLong((PY_LONG_LONG) value);
#endif
        }
    }
    {
        int one = 1; int little = (int)*(unsigned char *)&one;
        unsigned char *bytes = (unsigned char *)&value;
        return _PyLong_FromByteArray(bytes, sizeof(MDB_dbi),
                                     little, !is_unsigned);
    }
}

static PyObject* __pyx_convert__to_py_struct__MDB_stat(struct MDB_stat s) {
          PyObject* res;
          PyObject* member;
          res = __Pyx_PyDict_NewPresized(6); if (unlikely(!res)) return NULL;
          member = __Pyx_PyInt_From_unsigned_int(s.ms_psize); if (unlikely(!member)) goto bad;
          if (unlikely(PyDict_SetItem(res, __pyx_n_s_ms_psize, member) < 0)) goto bad;
          Py_DECREF(member);
          member = __Pyx_PyInt_From_unsigned_int(s.ms_depth); if (unlikely(!member)) goto bad;
          if (unlikely(PyDict_SetItem(res, __pyx_n_s_ms_depth, member) < 0)) goto bad;
          Py_DECREF(member);
          member = __Pyx_PyInt_FromSize_t(s.ms_branch_pages); if (unlikely(!member)) goto bad;
          if (unlikely(PyDict_SetItem(res, __pyx_n_s_ms_branch_pages, member) < 0)) goto bad;
          Py_DECREF(member);
          member = __Pyx_PyInt_FromSize_t(s.ms_leaf_pages); if (unlikely(!member)) goto bad;
          if (unlikely(PyDict_SetItem(res, __pyx_n_s_ms_leaf_pages, member) < 0)) goto bad;
          Py_DECREF(member);
          member = __Pyx_PyInt_FromSize_t(s.ms_overflow_pages); if (unlikely(!member)) goto bad;
          if (unlikely(PyDict_SetItem(res, __pyx_n_s_ms_overflow_pages, member) < 0)) goto bad;
          Py_DECREF(member);
          member = __Pyx_PyInt_FromSize_t(s.ms_entries); if (unlikely(!member)) goto bad;
          if (unlikely(PyDict_SetItem(res, __pyx_n_s_ms_entries, member) < 0)) goto bad;
          Py_DECREF(member);
          return res;
          bad:
          Py_XDECREF(member);
          Py_DECREF(res);
          return NULL;
        }
        /* CIntFromPy */
        static CYTHON_INLINE size_t __Pyx_PyInt_As_size_t(PyObject *x) {
    const size_t neg_one = (size_t) -1, const_zero = (size_t) 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(size_t) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(size_t, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (size_t) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (size_t) 0;
                case  1: __PYX_VERIFY_RETURN_INT(size_t, digit, digits[0])
                case 2:
                    if (8 * sizeof(size_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) >= 2 * PyLong_SHIFT) {
                            return (size_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(size_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) >= 3 * PyLong_SHIFT) {
                            return (size_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(size_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) >= 4 * PyLong_SHIFT) {
                            return (size_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (size_t) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(size_t) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(size_t, unsigned long, PyLong_AsUnsignedLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(size_t) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(size_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
#endif
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (size_t) 0;
                case -1: __PYX_VERIFY_RETURN_INT(size_t, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(size_t,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(size_t) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 2 * PyLong_SHIFT) {
                            return (size_t) (((size_t)-1)*(((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(size_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 2 * PyLong_SHIFT) {
                            return (size_t) ((((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(size_t) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 3 * PyLong_SHIFT) {
                            return (size_t) (((size_t)-1)*(((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(size_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 3 * PyLong_SHIFT) {
                            return (size_t) ((((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(size_t) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 4 * PyLong_SHIFT) {
                            return (size_t) (((size_t)-1)*(((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(size_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(size_t) - 1 > 4 * PyLong_SHIFT) {
                            return (size_t) ((((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(size_t) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(size_t, long, PyLong_AsLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(size_t) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(size_t, PY_LONG_LONG, PyLong_AsLongLong(x))
#endif
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            size_t val;
            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (size_t) -1;
        }
    } else {
        size_t val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (size_t) -1;
        val = __Pyx_PyInt_As_size_t(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to size_t");
    return (size_t) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to size_t");
    return (size_t) -1;
}

/* CIntFromPy */
        static CYTHON_INLINE MDB_dbi __Pyx_PyInt_As_MDB_dbi(PyObject *x) {
    const MDB_dbi neg_one = (MDB_dbi) -1, const_zero = (MDB_dbi) 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(MDB_dbi) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(MDB_dbi, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (MDB_dbi) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (MDB_dbi) 0;
                case  1: __PYX_VERIFY_RETURN_INT(MDB_dbi, digit, digits[0])
                case 2:
                    if (8 * sizeof(MDB_dbi) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(MDB_dbi, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(MDB_dbi) >= 2 * PyLong_SHIFT) {
                            return (MDB_dbi) (((((MDB_dbi)digits[1]) << PyLong_SHIFT) | (MDB_dbi)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(MDB_dbi) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(MDB_dbi, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(MDB_dbi) >= 3 * PyLong_SHIFT) {
                            return (MDB_dbi) (((((((MDB_dbi)digits[2]) << PyLong_SHIFT) | (MDB_dbi)digits[1]) << PyLong_SHIFT) | (MDB_dbi)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(MDB_dbi) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(MDB_dbi, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(MDB_dbi) >= 4 * PyLong_SHIFT) {
                            return (MDB_dbi) (((((((((MDB_dbi)digits[3]) << PyLong_SHIFT) | (MDB_dbi)digits[2]) << PyLong_SHIFT) | (MDB_dbi)digits[1]) << PyLong_SHIFT) | (MDB_dbi)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (MDB_dbi) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(MDB_dbi) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(MDB_dbi, unsigned long, PyLong_AsUnsignedLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(MDB_dbi) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(MDB_dbi, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
#endif
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (MDB_dbi) 0;
                case -1: __PYX_VERIFY_RETURN_INT(MDB_dbi, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(MDB_dbi,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(MDB_dbi) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(MDB_dbi, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(MDB_dbi) - 1 > 2 * PyLong_SHIFT) {
                            return (MDB_dbi) (((MDB_dbi)-1)*(((((MDB_dbi)digits[1]) << PyLong_SHIFT) | (MDB_dbi)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(MDB_dbi) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(MDB_dbi, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(MDB_dbi) - 1 > 2 * PyLong_SHIFT) {
                            return (MDB_dbi) ((((((MDB_dbi)digits[1]) << PyLong_SHIFT) | (MDB_dbi)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(MDB_dbi) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(MDB_dbi, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(MDB_dbi) - 1 > 3 * PyLong_SHIFT) {
                            return (MDB_dbi) (((MDB_dbi)-1)*(((((((MDB_dbi)digits[2]) << PyLong_SHIFT) | (MDB_dbi)digits[1]) << PyLong_SHIFT) | (MDB_dbi)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(MDB_dbi) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(MDB_dbi, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(MDB_dbi) - 1 > 3 * PyLong_SHIFT) {
                            return (MDB_dbi) ((((((((MDB_dbi)digits[2]) << PyLong_SHIFT) | (MDB_dbi)digits[1]) << PyLong_SHIFT) | (MDB_dbi)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(MDB_dbi) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(MDB_dbi, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(MDB_dbi) - 1 > 4 * PyLong_SHIFT) {
                            return (MDB_dbi) (((MDB_dbi)-1)*(((((((((MDB_dbi)digits[3]) << PyLong_SHIFT) | (MDB_dbi)digits[2]) << PyLong_SHIFT) | (MDB_dbi)digits[1]) << PyLong_SHIFT) | (MDB_dbi)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(MDB_dbi) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(MDB_dbi, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(MDB_dbi) - 1 > 4 * PyLong_SHIFT) {
                            return (MDB_dbi) ((((((((((MDB_dbi)digits[3]) << PyLong_SHIFT) | (MDB_dbi)digits[2]) << PyLong_SHIFT) | (MDB_dbi)digits[1]) << PyLong_SHIFT) | (MDB_dbi)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(MDB_dbi) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(MDB_dbi, long, PyLong_AsLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(MDB_dbi) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(MDB_dbi, PY_LONG_LONG, PyLong_AsLongLong(x))
#endif
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            MDB_dbi val;
            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (MDB_dbi) -1;
        }
    } else {
        MDB_dbi val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (MDB_dbi) -1;
        val = __Pyx_PyInt_As_MDB_dbi(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to MDB_dbi");
    return (MDB_dbi) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to MDB_dbi");
    return (MDB_dbi) -1;
}

/* CIntFromPy */
        static CYTHON_INLINE unsigned int __Pyx_PyInt_As_unsigned_int(PyObject *x) {
    const unsigned int neg_one = (unsigned int) -1, const_zero = (unsigned int) 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(unsigned int) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(unsigned int, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (unsigned int) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (unsigned int) 0;
                case  1: __PYX_VERIFY_RETURN_INT(unsigned int, digit, digits[0])
                case 2:
                    if (8 * sizeof(unsigned int) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(unsigned int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(unsigned int) >= 2 * PyLong_SHIFT) {
                            return (unsigned int) (((((unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(unsigned int) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(unsigned int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(unsigned int) >= 3 * PyLong_SHIFT) {
                            return (unsigned int) (((((((unsigned int)digits[2]) << PyLong_SHIFT) | (unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(unsigned int) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(unsigned int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(unsigned int) >= 4 * PyLong_SHIFT) {
                            return (unsigned int) (((((((((unsigned int)digits[3]) << PyLong_SHIFT) | (unsigned int)digits[2]) << PyLong_SHIFT) | (unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (unsigned int) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(unsigned int) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(unsigned int, unsigned long, PyLong_AsUnsignedLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(unsigned int) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(unsigned int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
#endif
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (unsigned int) 0;
                case -1: __PYX_VERIFY_RETURN_INT(unsigned int, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(unsigned int,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(unsigned int) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(unsigned int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(unsigned int) - 1 > 2 * PyLong_SHIFT) {
                            return (unsigned int) (((unsigned int)-1)*(((((unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(unsigned int) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(unsigned int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(unsigned int) - 1 > 2 * PyLong_SHIFT) {
                            return (unsigned int) ((((((unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(unsigned int) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(unsigned int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(unsigned int) - 1 > 3 * PyLong_SHIFT) {
                            return (unsigned int) (((unsigned int)-1)*(((((((unsigned int)digits[2]) << PyLong_SHIFT) | (unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(unsigned int) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(unsigned int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(unsigned int) - 1 > 3 * PyLong_SHIFT) {
                            return (unsigned int) ((((((((unsigned int)digits[2]) << PyLong_SHIFT) | (unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(unsigned int) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(unsigned int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(unsigned int) - 1 > 4 * PyLong_SHIFT) {
                            return (unsigned int) (((unsigned int)-1)*(((((((((unsigned int)digits[3]) << PyLong_SHIFT) | (unsigned int)digits[2]) << PyLong_SHIFT) | (unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(unsigned int) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(unsigned int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(unsigned int) - 1 > 4 * PyLong_SHIFT) {
                            return (unsigned int) ((((((((((unsigned int)digits[3]) << PyLong_SHIFT) | (unsigned int)digits[2]) << PyLong_SHIFT) | (unsigned int)digits[1]) << PyLong_SHIFT) | (unsigned int)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(unsigned int) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(unsigned int, long, PyLong_AsLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(unsigned int) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(unsigned int, PY_LONG_LONG, PyLong_AsLongLong(x))
#endif
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            unsigned int val;
            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (unsigned int) -1;
        }
    } else {
        unsigned int val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (unsigned int) -1;
        val = __Pyx_PyInt_As_unsigned_int(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to unsigned int");
    return (unsigned int) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to unsigned int");
    return (unsigned int) -1;
}

/* CIntFromPy */
        static CYTHON_INLINE mode_t __Pyx_PyInt_As_mode_t(PyObject *x) {
    const mode_t neg_one = (mode_t) -1, const_zero = (mode_t) 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(mode_t) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(mode_t, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (mode_t) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (mode_t) 0;
                case  1: __PYX_VERIFY_RETURN_INT(mode_t, digit, digits[0])
                case 2:
                    if (8 * sizeof(mode_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(mode_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(mode_t) >= 2 * PyLong_SHIFT) {
                            return (mode_t) (((((mode_t)digits[1]) << PyLong_SHIFT) | (mode_t)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(mode_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(mode_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(mode_t) >= 3 * PyLong_SHIFT) {
                            return (mode_t) (((((((mode_t)digits[2]) << PyLong_SHIFT) | (mode_t)digits[1]) << PyLong_SHIFT) | (mode_t)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(mode_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(mode_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(mode_t) >= 4 * PyLong_SHIFT) {
                            return (mode_t) (((((((((mode_t)digits[3]) << PyLong_SHIFT) | (mode_t)digits[2]) << PyLong_SHIFT) | (mode_t)digits[1]) << PyLong_SHIFT) | (mode_t)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (mode_t) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(mode_t) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(mode_t, unsigned long, PyLong_AsUnsignedLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(mode_t) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(mode_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
#endif
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (mode_t) 0;
                case -1: __PYX_VERIFY_RETURN_INT(mode_t, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(mode_t,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(mode_t) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(mode_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(mode_t) - 1 > 2 * PyLong_SHIFT) {
                            return (mode_t) (((mode_t)-1)*(((((mode_t)digits[1]) << PyLong_SHIFT) | (mode_t)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(mode_t) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(mode_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(mode_t) - 1 > 2 * PyLong_SHIFT) {
                            return (mode_t) ((((((mode_t)digits[1]) << PyLong_SHIFT) | (mode_t)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(mode_t) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(mode_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(mode_t) - 1 > 3 * PyLong_SHIFT) {
                            return (mode_t) (((mode_t)-1)*(((((((mode_t)digits[2]) << PyLong_SHIFT) | (mode_t)digits[1]) << PyLong_SHIFT) | (mode_t)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(mode_t) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(mode_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(mode_t) - 1 > 3 * PyLong_SHIFT) {
                            return (mode_t) ((((((((mode_t)digits[2]) << PyLong_SHIFT) | (mode_t)digits[1]) << PyLong_SHIFT) | (mode_t)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(mode_t) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(mode_t, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(mode_t) - 1 > 4 * PyLong_SHIFT) {
                            return (mode_t) (((mode_t)-1)*(((((((((mode_t)digits[3]) << PyLong_SHIFT) | (mode_t)digits[2]) << PyLong_SHIFT) | (mode_t)digits[1]) << PyLong_SHIFT) | (mode_t)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(mode_t) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(mode_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(mode_t) - 1 > 4 * PyLong_SHIFT) {
                            return (mode_t) ((((((((((mode_t)digits[3]) << PyLong_SHIFT) | (mode_t)digits[2]) << PyLong_SHIFT) | (mode_t)digits[1]) << PyLong_SHIFT) | (mode_t)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(mode_t) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(mode_t, long, PyLong_AsLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(mode_t) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(mode_t, PY_LONG_LONG, PyLong_AsLongLong(x))
#endif
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            mode_t val;
            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (mode_t) -1;
        }
    } else {
        mode_t val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (mode_t) -1;
        val = __Pyx_PyInt_As_mode_t(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to mode_t");
    return (mode_t) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to mode_t");
    return (mode_t) -1;
}

/* CIntFromPy */
        static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
    const int neg_one = (int) -1, const_zero = (int) 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(int) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (int) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (int) 0;
                case  1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0])
                case 2:
                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) {
                            return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) {
                            return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) {
                            return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (int) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(int) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
#endif
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (int) 0;
                case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(int,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                            return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                            return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                            return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                            return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
                            return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
                            return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(int) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x))
#endif
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            int val;
            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (int) -1;
        }
    } else {
        int val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (int) -1;
        val = __Pyx_PyInt_As_int(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to int");
    return (int) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to int");
    return (int) -1;
}

/* CIntFromPy */
        static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
    const long neg_one = (long) -1, const_zero = (long) 0;
    const int is_unsigned = neg_one > const_zero;
#if PY_MAJOR_VERSION < 3
    if (likely(PyInt_Check(x))) {
        if (sizeof(long) < sizeof(long)) {
            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x))
        } else {
            long val = PyInt_AS_LONG(x);
            if (is_unsigned && unlikely(val < 0)) {
                goto raise_neg_overflow;
            }
            return (long) val;
        }
    } else
#endif
    if (likely(PyLong_Check(x))) {
        if (is_unsigned) {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (long) 0;
                case  1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0])
                case 2:
                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) {
                            return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) {
                            return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) {
                            return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
                        }
                    }
                    break;
            }
#endif
#if CYTHON_COMPILING_IN_CPYTHON
            if (unlikely(Py_SIZE(x) < 0)) {
                goto raise_neg_overflow;
            }
#else
            {
                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
                if (unlikely(result < 0))
                    return (long) -1;
                if (unlikely(result == 1))
                    goto raise_neg_overflow;
            }
#endif
            if (sizeof(long) <= sizeof(unsigned long)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
#endif
            }
        } else {
#if CYTHON_USE_PYLONG_INTERNALS
            const digit* digits = ((PyLongObject*)x)->ob_digit;
            switch (Py_SIZE(x)) {
                case  0: return (long) 0;
                case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, (sdigit) (-(sdigit)digits[0]))
                case  1: __PYX_VERIFY_RETURN_INT(long,  digit, +digits[0])
                case -2:
                    if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                            return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case 2:
                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                            return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case -3:
                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                            return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case 3:
                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                            return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case -4:
                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                            return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
                case 4:
                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
                            return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
                        }
                    }
                    break;
            }
#endif
            if (sizeof(long) <= sizeof(long)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x))
#ifdef HAVE_LONG_LONG
            } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
                __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x))
#endif
            }
        }
        {
#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
            PyErr_SetString(PyExc_RuntimeError,
                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
#else
            long val;
            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
 #if PY_MAJOR_VERSION < 3
            if (likely(v) && !PyLong_Check(v)) {
                PyObject *tmp = v;
                v = PyNumber_Long(tmp);
                Py_DECREF(tmp);
            }
 #endif
            if (likely(v)) {
                int one = 1; int is_little = (int)*(unsigned char *)&one;
                unsigned char *bytes = (unsigned char *)&val;
                int ret = _PyLong_AsByteArray((PyLongObject *)v,
                                              bytes, sizeof(val),
                                              is_little, !is_unsigned);
                Py_DECREF(v);
                if (likely(!ret))
                    return val;
            }
#endif
            return (long) -1;
        }
    } else {
        long val;
        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
        if (!tmp) return (long) -1;
        val = __Pyx_PyInt_As_long(tmp);
        Py_DECREF(tmp);
        return val;
    }
raise_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "value too large to convert to long");
    return (long) -1;
raise_neg_overflow:
    PyErr_SetString(PyExc_OverflowError,
        "can't convert negative value to long");
    return (long) -1;
}

/* FetchCommonType */
        static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type) {
    PyObject* fake_module;
    PyTypeObject* cached_type = NULL;
    fake_module = PyImport_AddModule((char*) "_cython_" CYTHON_ABI);
    if (!fake_module) return NULL;
    Py_INCREF(fake_module);
    cached_type = (PyTypeObject*) PyObject_GetAttrString(fake_module, type->tp_name);
    if (cached_type) {
        if (!PyType_Check((PyObject*)cached_type)) {
            PyErr_Format(PyExc_TypeError,
                "Shared Cython type %.200s is not a type object",
                type->tp_name);
            goto bad;
        }
        if (cached_type->tp_basicsize != type->tp_basicsize) {
            PyErr_Format(PyExc_TypeError,
                "Shared Cython type %.200s has the wrong size, try recompiling",
                type->tp_name);
            goto bad;
        }
    } else {
        if (!PyErr_ExceptionMatches(PyExc_AttributeError)) goto bad;
        PyErr_Clear();
        if (PyType_Ready(type) < 0) goto bad;
        if (PyObject_SetAttrString(fake_module, type->tp_name, (PyObject*) type) < 0)
            goto bad;
        Py_INCREF(type);
        cached_type = type;
    }
done:
    Py_DECREF(fake_module);
    return cached_type;
bad:
    Py_XDECREF(cached_type);
    cached_type = NULL;
    goto done;
}

/* PyObjectCallMethod1 */
        static PyObject* __Pyx__PyObject_CallMethod1(PyObject* method, PyObject* arg) {
    PyObject *result = NULL;
#if CYTHON_UNPACK_METHODS
    if (likely(PyMethod_Check(method))) {
        PyObject *self = PyMethod_GET_SELF(method);
        if (likely(self)) {
            PyObject *args;
            PyObject *function = PyMethod_GET_FUNCTION(method);
            #if CYTHON_FAST_PYCALL
            if (PyFunction_Check(function)) {
                PyObject *args[2] = {self, arg};
                result = __Pyx_PyFunction_FastCall(function, args, 2);
                goto done;
            }
            #endif
            #if CYTHON_FAST_PYCCALL
            if (__Pyx_PyFastCFunction_Check(function)) {
                PyObject *args[2] = {self, arg};
                result = __Pyx_PyCFunction_FastCall(function, args, 2);
                goto done;
            }
            #endif
            args = PyTuple_New(2);
            if (unlikely(!args)) goto done;
            Py_INCREF(self);
            PyTuple_SET_ITEM(args, 0, self);
            Py_INCREF(arg);
            PyTuple_SET_ITEM(args, 1, arg);
            Py_INCREF(function);
            result = __Pyx_PyObject_Call(function, args, NULL);
            Py_DECREF(args);
            Py_DECREF(function);
            return result;
        }
    }
#endif
    result = __Pyx_PyObject_CallOneArg(method, arg);
    goto done;
done:
    return result;
}
static PyObject* __Pyx_PyObject_CallMethod1(PyObject* obj, PyObject* method_name, PyObject* arg) {
    PyObject *method, *result;
    method = __Pyx_PyObject_GetAttrStr(obj, method_name);
    if (unlikely(!method)) return NULL;
    result = __Pyx__PyObject_CallMethod1(method, arg);
    Py_DECREF(method);
    return result;
}

/* CoroutineBase */
        #include <structmember.h>
#include <frameobject.h>
#define __Pyx_Coroutine_Undelegate(gen) Py_CLEAR((gen)->yieldfrom)
static int __Pyx_PyGen__FetchStopIterationValue(CYTHON_UNUSED PyThreadState *__pyx_tstate, PyObject **pvalue) {
    PyObject *et, *ev, *tb;
    PyObject *value = NULL;
    __Pyx_ErrFetch(&et, &ev, &tb);
    if (!et) {
        Py_XDECREF(tb);
        Py_XDECREF(ev);
        Py_INCREF(Py_None);
        *pvalue = Py_None;
        return 0;
    }
    if (likely(et == PyExc_StopIteration)) {
        if (!ev) {
            Py_INCREF(Py_None);
            value = Py_None;
        }
#if PY_VERSION_HEX >= 0x030300A0
        else if (Py_TYPE(ev) == (PyTypeObject*)PyExc_StopIteration) {
            value = ((PyStopIterationObject *)ev)->value;
            Py_INCREF(value);
            Py_DECREF(ev);
        }
#endif
        else if (unlikely(PyTuple_Check(ev))) {
            if (PyTuple_GET_SIZE(ev) >= 1) {
#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
                value = PyTuple_GET_ITEM(ev, 0);
                Py_INCREF(value);
#else
                value = PySequence_ITEM(ev, 0);
#endif
            } else {
                Py_INCREF(Py_None);
                value = Py_None;
            }
            Py_DECREF(ev);
        }
        else if (!__Pyx_TypeCheck(ev, (PyTypeObject*)PyExc_StopIteration)) {
            value = ev;
        }
        if (likely(value)) {
            Py_XDECREF(tb);
            Py_DECREF(et);
            *pvalue = value;
            return 0;
        }
    } else if (!__Pyx_PyErr_GivenExceptionMatches(et, PyExc_StopIteration)) {
        __Pyx_ErrRestore(et, ev, tb);
        return -1;
    }
    PyErr_NormalizeException(&et, &ev, &tb);
    if (unlikely(!PyObject_TypeCheck(ev, (PyTypeObject*)PyExc_StopIteration))) {
        __Pyx_ErrRestore(et, ev, tb);
        return -1;
    }
    Py_XDECREF(tb);
    Py_DECREF(et);
#if PY_VERSION_HEX >= 0x030300A0
    value = ((PyStopIterationObject *)ev)->value;
    Py_INCREF(value);
    Py_DECREF(ev);
#else
    {
        PyObject* args = __Pyx_PyObject_GetAttrStr(ev, __pyx_n_s_args);
        Py_DECREF(ev);
        if (likely(args)) {
            value = PySequence_GetItem(args, 0);
            Py_DECREF(args);
        }
        if (unlikely(!value)) {
            __Pyx_ErrRestore(NULL, NULL, NULL);
            Py_INCREF(Py_None);
            value = Py_None;
        }
    }
#endif
    *pvalue = value;
    return 0;
}
static CYTHON_INLINE
void __Pyx_Coroutine_ExceptionClear(__pyx_CoroutineObject *self) {
    PyObject *exc_type = self->exc_type;
    PyObject *exc_value = self->exc_value;
    PyObject *exc_traceback = self->exc_traceback;
    self->exc_type = NULL;
    self->exc_value = NULL;
    self->exc_traceback = NULL;
    Py_XDECREF(exc_type);
    Py_XDECREF(exc_value);
    Py_XDECREF(exc_traceback);
}
#define __Pyx_Coroutine_AlreadyRunningError(gen)  (__Pyx__Coroutine_AlreadyRunningError(gen), (PyObject*)NULL)
static void __Pyx__Coroutine_AlreadyRunningError(CYTHON_UNUSED __pyx_CoroutineObject *gen) {
    const char *msg;
    if (0) {
    #ifdef __Pyx_Coroutine_USED
    } else if (__Pyx_Coroutine_Check((PyObject*)gen)) {
        msg = "coroutine already executing";
    #endif
    #ifdef __Pyx_AsyncGen_USED
    } else if (__Pyx_AsyncGen_CheckExact((PyObject*)gen)) {
        msg = "async generator already executing";
    #endif
    } else {
        msg = "generator already executing";
    }
    PyErr_SetString(PyExc_ValueError, msg);
}
#define __Pyx_Coroutine_NotStartedError(gen)  (__Pyx__Coroutine_NotStartedError(gen), (PyObject*)NULL)
static void __Pyx__Coroutine_NotStartedError(CYTHON_UNUSED PyObject *gen) {
    const char *msg;
    if (0) {
    #ifdef __Pyx_Coroutine_USED
    } else if (__Pyx_Coroutine_Check(gen)) {
        msg = "can't send non-None value to a just-started coroutine";
    #endif
    #ifdef __Pyx_AsyncGen_USED
    } else if (__Pyx_AsyncGen_CheckExact(gen)) {
        msg = "can't send non-None value to a just-started async generator";
    #endif
    } else {
        msg = "can't send non-None value to a just-started generator";
    }
    PyErr_SetString(PyExc_TypeError, msg);
}
#define __Pyx_Coroutine_AlreadyTerminatedError(gen, value, closing)  (__Pyx__Coroutine_AlreadyTerminatedError(gen, value, closing), (PyObject*)NULL)
static void __Pyx__Coroutine_AlreadyTerminatedError(CYTHON_UNUSED PyObject *gen, PyObject *value, CYTHON_UNUSED int closing) {
    #ifdef __Pyx_Coroutine_USED
    if (!closing && __Pyx_Coroutine_Check(gen)) {
        PyErr_SetString(PyExc_RuntimeError, "cannot reuse already awaited coroutine");
    } else
    #endif
    if (value) {
        #ifdef __Pyx_AsyncGen_USED
        if (__Pyx_AsyncGen_CheckExact(gen))
            PyErr_SetNone(__Pyx_PyExc_StopAsyncIteration);
        else
        #endif
        PyErr_SetNone(PyExc_StopIteration);
    }
}
static
PyObject *__Pyx_Coroutine_SendEx(__pyx_CoroutineObject *self, PyObject *value, int closing) {
    __Pyx_PyThreadState_declare
    PyThreadState *tstate;
    PyObject *retval;
    assert(!self->is_running);
    if (unlikely(self->resume_label == 0)) {
        if (unlikely(value && value != Py_None)) {
            return __Pyx_Coroutine_NotStartedError((PyObject*)self);
        }
    }
    if (unlikely(self->resume_label == -1)) {
        return __Pyx_Coroutine_AlreadyTerminatedError((PyObject*)self, value, closing);
    }
#if CYTHON_FAST_THREAD_STATE
    __Pyx_PyThreadState_assign
    tstate = __pyx_tstate;
#else
    tstate = __Pyx_PyThreadState_Current;
#endif
    if (self->exc_type) {
#if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_PYSTON
#else
        if (self->exc_traceback) {
            PyTracebackObject *tb = (PyTracebackObject *) self->exc_traceback;
            PyFrameObject *f = tb->tb_frame;
            Py_XINCREF(tstate->frame);
            assert(f->f_back == NULL);
            f->f_back = tstate->frame;
        }
#endif
        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value,
                            &self->exc_traceback);
    } else {
        __Pyx_Coroutine_ExceptionClear(self);
        __Pyx_ExceptionSave(&self->exc_type, &self->exc_value, &self->exc_traceback);
    }
    self->is_running = 1;
    retval = self->body((PyObject *) self, tstate, value);
    self->is_running = 0;
    return retval;
}
static CYTHON_INLINE void __Pyx_Coroutine_ResetFrameBackpointer(__pyx_CoroutineObject *self) {
    if (likely(self->exc_traceback)) {
#if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_PYSTON
#else
        PyTracebackObject *tb = (PyTracebackObject *) self->exc_traceback;
        PyFrameObject *f = tb->tb_frame;
        Py_CLEAR(f->f_back);
#endif
    }
}
static CYTHON_INLINE
PyObject *__Pyx_Coroutine_MethodReturn(CYTHON_UNUSED PyObject* gen, PyObject *retval) {
    if (unlikely(!retval)) {
        __Pyx_PyThreadState_declare
        __Pyx_PyThreadState_assign
        if (!__Pyx_PyErr_Occurred()) {
            PyObject *exc = PyExc_StopIteration;
            #ifdef __Pyx_AsyncGen_USED
            if (__Pyx_AsyncGen_CheckExact(gen))
                exc = __Pyx_PyExc_StopAsyncIteration;
            #endif
            __Pyx_PyErr_SetNone(exc);
        }
    }
    return retval;
}
static CYTHON_INLINE
PyObject *__Pyx_Coroutine_FinishDelegation(__pyx_CoroutineObject *gen) {
    PyObject *ret;
    PyObject *val = NULL;
    __Pyx_Coroutine_Undelegate(gen);
    __Pyx_PyGen__FetchStopIterationValue(__Pyx_PyThreadState_Current, &val);
    ret = __Pyx_Coroutine_SendEx(gen, val, 0);
    Py_XDECREF(val);
    return ret;
}
static PyObject *__Pyx_Coroutine_Send(PyObject *self, PyObject *value) {
    PyObject *retval;
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject*) self;
    PyObject *yf = gen->yieldfrom;
    if (unlikely(gen->is_running))
        return __Pyx_Coroutine_AlreadyRunningError(gen);
    if (yf) {
        PyObject *ret;
        gen->is_running = 1;
        #ifdef __Pyx_Generator_USED
        if (__Pyx_Generator_CheckExact(yf)) {
            ret = __Pyx_Coroutine_Send(yf, value);
        } else
        #endif
        #ifdef __Pyx_Coroutine_USED
        if (__Pyx_Coroutine_Check(yf)) {
            ret = __Pyx_Coroutine_Send(yf, value);
        } else
        #endif
        #ifdef __Pyx_AsyncGen_USED
        if (__pyx_PyAsyncGenASend_CheckExact(yf)) {
            ret = __Pyx_async_gen_asend_send(yf, value);
        } else
        #endif
        #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03030000 && (defined(__linux__) || PY_VERSION_HEX >= 0x030600B3)
        if (PyGen_CheckExact(yf)) {
            ret = _PyGen_Send((PyGenObject*)yf, value == Py_None ? NULL : value);
        } else
        #endif
        #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03050000 && defined(PyCoro_CheckExact) && (defined(__linux__) || PY_VERSION_HEX >= 0x030600B3)
        if (PyCoro_CheckExact(yf)) {
            ret = _PyGen_Send((PyGenObject*)yf, value == Py_None ? NULL : value);
        } else
        #endif
        {
            if (value == Py_None)
                ret = Py_TYPE(yf)->tp_iternext(yf);
            else
                ret = __Pyx_PyObject_CallMethod1(yf, __pyx_n_s_send, value);
        }
        gen->is_running = 0;
        if (likely(ret)) {
            return ret;
        }
        retval = __Pyx_Coroutine_FinishDelegation(gen);
    } else {
        retval = __Pyx_Coroutine_SendEx(gen, value, 0);
    }
    return __Pyx_Coroutine_MethodReturn(self, retval);
}
static int __Pyx_Coroutine_CloseIter(__pyx_CoroutineObject *gen, PyObject *yf) {
    PyObject *retval = NULL;
    int err = 0;
    #ifdef __Pyx_Generator_USED
    if (__Pyx_Generator_CheckExact(yf)) {
        retval = __Pyx_Coroutine_Close(yf);
        if (!retval)
            return -1;
    } else
    #endif
    #ifdef __Pyx_Coroutine_USED
    if (__Pyx_Coroutine_Check(yf)) {
        retval = __Pyx_Coroutine_Close(yf);
        if (!retval)
            return -1;
    } else
    if (__Pyx_CoroutineAwait_CheckExact(yf)) {
        retval = __Pyx_CoroutineAwait_Close((__pyx_CoroutineAwaitObject*)yf);
        if (!retval)
            return -1;
    } else
    #endif
    #ifdef __Pyx_AsyncGen_USED
    if (__pyx_PyAsyncGenASend_CheckExact(yf)) {
        retval = __Pyx_async_gen_asend_close(yf, NULL);
    } else
    if (__pyx_PyAsyncGenAThrow_CheckExact(yf)) {
        retval = __Pyx_async_gen_athrow_close(yf, NULL);
    } else
    #endif
    {
        PyObject *meth;
        gen->is_running = 1;
        meth = __Pyx_PyObject_GetAttrStr(yf, __pyx_n_s_close);
        if (unlikely(!meth)) {
            if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
                PyErr_WriteUnraisable(yf);
            }
            PyErr_Clear();
        } else {
            retval = PyObject_CallFunction(meth, NULL);
            Py_DECREF(meth);
            if (!retval)
                err = -1;
        }
        gen->is_running = 0;
    }
    Py_XDECREF(retval);
    return err;
}
static PyObject *__Pyx_Generator_Next(PyObject *self) {
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject*) self;
    PyObject *yf = gen->yieldfrom;
    if (unlikely(gen->is_running))
        return __Pyx_Coroutine_AlreadyRunningError(gen);
    if (yf) {
        PyObject *ret;
        gen->is_running = 1;
        #ifdef __Pyx_Generator_USED
        if (__Pyx_Generator_CheckExact(yf)) {
            ret = __Pyx_Generator_Next(yf);
        } else
        #endif
        #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03030000 && (defined(__linux__) || PY_VERSION_HEX >= 0x030600B3)
        if (PyGen_CheckExact(yf)) {
            ret = _PyGen_Send((PyGenObject*)yf, NULL);
        } else
        #endif
        #ifdef __Pyx_Coroutine_USED
        if (__Pyx_Coroutine_Check(yf)) {
            ret = __Pyx_Coroutine_Send(yf, Py_None);
        } else
        #endif
            ret = Py_TYPE(yf)->tp_iternext(yf);
        gen->is_running = 0;
        if (likely(ret)) {
            return ret;
        }
        return __Pyx_Coroutine_FinishDelegation(gen);
    }
    return __Pyx_Coroutine_SendEx(gen, Py_None, 0);
}
static PyObject *__Pyx_Coroutine_Close(PyObject *self) {
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
    PyObject *retval, *raised_exception;
    PyObject *yf = gen->yieldfrom;
    int err = 0;
    if (unlikely(gen->is_running))
        return __Pyx_Coroutine_AlreadyRunningError(gen);
    if (yf) {
        Py_INCREF(yf);
        err = __Pyx_Coroutine_CloseIter(gen, yf);
        __Pyx_Coroutine_Undelegate(gen);
        Py_DECREF(yf);
    }
    if (err == 0)
        PyErr_SetNone(PyExc_GeneratorExit);
    retval = __Pyx_Coroutine_SendEx(gen, NULL, 1);
    if (unlikely(retval)) {
        const char *msg;
        Py_DECREF(retval);
        if ((0)) {
        #ifdef __Pyx_Coroutine_USED
        } else if (__Pyx_Coroutine_Check(self)) {
            msg = "coroutine ignored GeneratorExit";
        #endif
        #ifdef __Pyx_AsyncGen_USED
        } else if (__Pyx_AsyncGen_CheckExact(self)) {
#if PY_VERSION_HEX < 0x03060000
            msg = "async generator ignored GeneratorExit - might require Python 3.6+ finalisation (PEP 525)";
#else
            msg = "async generator ignored GeneratorExit";
#endif
        #endif
        } else {
            msg = "generator ignored GeneratorExit";
        }
        PyErr_SetString(PyExc_RuntimeError, msg);
        return NULL;
    }
    raised_exception = PyErr_Occurred();
    if (likely(!raised_exception || __Pyx_PyErr_GivenExceptionMatches2(raised_exception, PyExc_GeneratorExit, PyExc_StopIteration))) {
        if (raised_exception) PyErr_Clear();
        Py_INCREF(Py_None);
        return Py_None;
    }
    return NULL;
}
static PyObject *__Pyx__Coroutine_Throw(PyObject *self, PyObject *typ, PyObject *val, PyObject *tb,
                                        PyObject *args, int close_on_genexit) {
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
    PyObject *yf = gen->yieldfrom;
    if (unlikely(gen->is_running))
        return __Pyx_Coroutine_AlreadyRunningError(gen);
    if (yf) {
        PyObject *ret;
        Py_INCREF(yf);
        if (__Pyx_PyErr_GivenExceptionMatches(typ, PyExc_GeneratorExit) && close_on_genexit) {
            int err = __Pyx_Coroutine_CloseIter(gen, yf);
            Py_DECREF(yf);
            __Pyx_Coroutine_Undelegate(gen);
            if (err < 0)
                return __Pyx_Coroutine_MethodReturn(self, __Pyx_Coroutine_SendEx(gen, NULL, 0));
            goto throw_here;
        }
        gen->is_running = 1;
        if (0
        #ifdef __Pyx_Generator_USED
            || __Pyx_Generator_CheckExact(yf)
        #endif
        #ifdef __Pyx_Coroutine_USED
            || __Pyx_Coroutine_Check(yf)
        #endif
            ) {
            ret = __Pyx__Coroutine_Throw(yf, typ, val, tb, args, close_on_genexit);
        #ifdef __Pyx_Coroutine_USED
        } else if (__Pyx_CoroutineAwait_CheckExact(yf)) {
            ret = __Pyx__Coroutine_Throw(((__pyx_CoroutineAwaitObject*)yf)->coroutine, typ, val, tb, args, close_on_genexit);
        #endif
        } else {
            PyObject *meth = __Pyx_PyObject_GetAttrStr(yf, __pyx_n_s_throw);
            if (unlikely(!meth)) {
                Py_DECREF(yf);
                if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
                    gen->is_running = 0;
                    return NULL;
                }
                PyErr_Clear();
                __Pyx_Coroutine_Undelegate(gen);
                gen->is_running = 0;
                goto throw_here;
            }
            if (likely(args)) {
                ret = PyObject_CallObject(meth, args);
            } else {
                ret = PyObject_CallFunctionObjArgs(meth, typ, val, tb, NULL);
            }
            Py_DECREF(meth);
        }
        gen->is_running = 0;
        Py_DECREF(yf);
        if (!ret) {
            ret = __Pyx_Coroutine_FinishDelegation(gen);
        }
        return __Pyx_Coroutine_MethodReturn(self, ret);
    }
throw_here:
    __Pyx_Raise(typ, val, tb, NULL);
    return __Pyx_Coroutine_MethodReturn(self, __Pyx_Coroutine_SendEx(gen, NULL, 0));
}
static PyObject *__Pyx_Coroutine_Throw(PyObject *self, PyObject *args) {
    PyObject *typ;
    PyObject *val = NULL;
    PyObject *tb = NULL;
    if (!PyArg_UnpackTuple(args, (char *)"throw", 1, 3, &typ, &val, &tb))
        return NULL;
    return __Pyx__Coroutine_Throw(self, typ, val, tb, args, 1);
}
static int __Pyx_Coroutine_traverse(__pyx_CoroutineObject *gen, visitproc visit, void *arg) {
    Py_VISIT(gen->closure);
    Py_VISIT(gen->classobj);
    Py_VISIT(gen->yieldfrom);
    Py_VISIT(gen->exc_type);
    Py_VISIT(gen->exc_value);
    Py_VISIT(gen->exc_traceback);
    return 0;
}
static int __Pyx_Coroutine_clear(PyObject *self) {
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
    Py_CLEAR(gen->closure);
    Py_CLEAR(gen->classobj);
    Py_CLEAR(gen->yieldfrom);
    Py_CLEAR(gen->exc_type);
    Py_CLEAR(gen->exc_value);
    Py_CLEAR(gen->exc_traceback);
#ifdef __Pyx_AsyncGen_USED
    if (__Pyx_AsyncGen_CheckExact(self)) {
        Py_CLEAR(((__pyx_PyAsyncGenObject*)gen)->ag_finalizer);
    }
#endif
    Py_CLEAR(gen->gi_code);
    Py_CLEAR(gen->gi_name);
    Py_CLEAR(gen->gi_qualname);
    Py_CLEAR(gen->gi_modulename);
    return 0;
}
static void __Pyx_Coroutine_dealloc(PyObject *self) {
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
    PyObject_GC_UnTrack(gen);
    if (gen->gi_weakreflist != NULL)
        PyObject_ClearWeakRefs(self);
    if (gen->resume_label >= 0) {
        PyObject_GC_Track(self);
#if PY_VERSION_HEX >= 0x030400a1 && CYTHON_USE_TP_FINALIZE
        if (PyObject_CallFinalizerFromDealloc(self))
#else
        Py_TYPE(gen)->tp_del(self);
        if (self->ob_refcnt > 0)
#endif
        {
            return;
        }
        PyObject_GC_UnTrack(self);
    }
#ifdef __Pyx_AsyncGen_USED
    if (__Pyx_AsyncGen_CheckExact(self)) {
        /* We have to handle this case for asynchronous generators
           right here, because this code has to be between UNTRACK
           and GC_Del. */
        Py_CLEAR(((__pyx_PyAsyncGenObject*)self)->ag_finalizer);
    }
#endif
    __Pyx_Coroutine_clear(self);
    PyObject_GC_Del(gen);
}
static void __Pyx_Coroutine_del(PyObject *self) {
    PyObject *error_type, *error_value, *error_traceback;
    __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self;
    __Pyx_PyThreadState_declare
    if (gen->resume_label < 0) {
        return;
    }
#if !CYTHON_USE_TP_FINALIZE
    assert(self->ob_refcnt == 0);
    self->ob_refcnt = 1;
#endif
    __Pyx_PyThreadState_assign
    __Pyx_ErrFetch(&error_type, &error_value, &error_traceback);
#ifdef __Pyx_AsyncGen_USED
    if (__Pyx_AsyncGen_CheckExact(self)) {
        __pyx_PyAsyncGenObject *agen = (__pyx_PyAsyncGenObject*)self;
        PyObject *finalizer = agen->ag_finalizer;
        if (finalizer && !agen->ag_closed) {
            PyObject *res = __Pyx_PyObject_CallOneArg(finalizer, self);
            if (unlikely(!res)) {
                PyErr_WriteUnraisable(self);
            } else {
                Py_DECREF(res);
            }
            __Pyx_ErrRestore(error_type, error_value, error_traceback);
            return;
        }
    }
#endif
    if (unlikely(gen->resume_label == 0 && !error_value)) {
#ifdef __Pyx_Coroutine_USED
#ifdef __Pyx_Generator_USED
    if (!__Pyx_Generator_CheckExact(self))
#endif
        {
        PyObject_GC_UnTrack(self);
#if PY_MAJOR_VERSION >= 3  || defined(PyErr_WarnFormat)
        if (unlikely(PyErr_WarnFormat(PyExc_RuntimeWarning, 1, "coroutine '%.50S' was never awaited", gen->gi_qualname) < 0))
            PyErr_WriteUnraisable(self);
#else
        {PyObject *msg;
        char *cmsg;
        #if CYTHON_COMPILING_IN_PYPY
        msg = NULL;
        cmsg = (char*) "coroutine was never awaited";
        #else
        char *cname;
        PyObject *qualname;
        qualname = gen->gi_qualname;
        cname = PyString_AS_STRING(qualname);
        msg = PyString_FromFormat("coroutine '%.50s' was never awaited", cname);
        if (unlikely(!msg)) {
            PyErr_Clear();
            cmsg = (char*) "coroutine was never awaited";
        } else {
            cmsg = PyString_AS_STRING(msg);
        }
        #endif
        if (unlikely(PyErr_WarnEx(PyExc_RuntimeWarning, cmsg, 1) < 0))
            PyErr_WriteUnraisable(self);
        Py_XDECREF(msg);}
#endif
        PyObject_GC_Track(self);
        }
#endif
    } else {
        PyObject *res = __Pyx_Coroutine_Close(self);
        if (unlikely(!res)) {
            if (PyErr_Occurred())
                PyErr_WriteUnraisable(self);
        } else {
            Py_DECREF(res);
        }
    }
    __Pyx_ErrRestore(error_type, error_value, error_traceback);
#if !CYTHON_USE_TP_FINALIZE
    assert(self->ob_refcnt > 0);
    if (--self->ob_refcnt == 0) {
        return;
    }
    {
        Py_ssize_t refcnt = self->ob_refcnt;
        _Py_NewReference(self);
        self->ob_refcnt = refcnt;
    }
#if CYTHON_COMPILING_IN_CPYTHON
    assert(PyType_IS_GC(self->ob_type) &&
           _Py_AS_GC(self)->gc.gc_refs != _PyGC_REFS_UNTRACKED);
    _Py_DEC_REFTOTAL;
#endif
#ifdef COUNT_ALLOCS
    --Py_TYPE(self)->tp_frees;
    --Py_TYPE(self)->tp_allocs;
#endif
#endif
}
static PyObject *
__Pyx_Coroutine_get_name(__pyx_CoroutineObject *self)
{
    PyObject *name = self->gi_name;
    if (unlikely(!name)) name = Py_None;
    Py_INCREF(name);
    return name;
}
static int
__Pyx_Coroutine_set_name(__pyx_CoroutineObject *self, PyObject *value)
{
    PyObject *tmp;
#if PY_MAJOR_VERSION >= 3
    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
#else
    if (unlikely(value == NULL || !PyString_Check(value))) {
#endif
        PyErr_SetString(PyExc_TypeError,
                        "__name__ must be set to a string object");
        return -1;
    }
    tmp = self->gi_name;
    Py_INCREF(value);
    self->gi_name = value;
    Py_XDECREF(tmp);
    return 0;
}
static PyObject *
__Pyx_Coroutine_get_qualname(__pyx_CoroutineObject *self)
{
    PyObject *name = self->gi_qualname;
    if (unlikely(!name)) name = Py_None;
    Py_INCREF(name);
    return name;
}
static int
__Pyx_Coroutine_set_qualname(__pyx_CoroutineObject *self, PyObject *value)
{
    PyObject *tmp;
#if PY_MAJOR_VERSION >= 3
    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
#else
    if (unlikely(value == NULL || !PyString_Check(value))) {
#endif
        PyErr_SetString(PyExc_TypeError,
                        "__qualname__ must be set to a string object");
        return -1;
    }
    tmp = self->gi_qualname;
    Py_INCREF(value);
    self->gi_qualname = value;
    Py_XDECREF(tmp);
    return 0;
}
static __pyx_CoroutineObject *__Pyx__Coroutine_New(
            PyTypeObject* type, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure,
            PyObject *name, PyObject *qualname, PyObject *module_name) {
    __pyx_CoroutineObject *gen = PyObject_GC_New(__pyx_CoroutineObject, type);
    if (unlikely(!gen))
        return NULL;
    return __Pyx__Coroutine_NewInit(gen, body, code, closure, name, qualname, module_name);
}
static __pyx_CoroutineObject *__Pyx__Coroutine_NewInit(
            __pyx_CoroutineObject *gen, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure,
            PyObject *name, PyObject *qualname, PyObject *module_name) {
    gen->body = body;
    gen->closure = closure;
    Py_XINCREF(closure);
    gen->is_running = 0;
    gen->resume_label = 0;
    gen->classobj = NULL;
    gen->yieldfrom = NULL;
    gen->exc_type = NULL;
    gen->exc_value = NULL;
    gen->exc_traceback = NULL;
    gen->gi_weakreflist = NULL;
    Py_XINCREF(qualname);
    gen->gi_qualname = qualname;
    Py_XINCREF(name);
    gen->gi_name = name;
    Py_XINCREF(module_name);
    gen->gi_modulename = module_name;
    Py_XINCREF(code);
    gen->gi_code = code;
    PyObject_GC_Track(gen);
    return gen;
}

/* PatchModuleWithCoroutine */
            static PyObject* __Pyx_Coroutine_patch_module(PyObject* module, const char* py_code) {
#if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED)
    int result;
    PyObject *globals, *result_obj;
    globals = PyDict_New();  if (unlikely(!globals)) goto ignore;
    result = PyDict_SetItemString(globals, "_cython_coroutine_type",
    #ifdef __Pyx_Coroutine_USED
        (PyObject*)__pyx_CoroutineType);
    #else
        Py_None);
    #endif
    if (unlikely(result < 0)) goto ignore;
    result = PyDict_SetItemString(globals, "_cython_generator_type",
    #ifdef __Pyx_Generator_USED
        (PyObject*)__pyx_GeneratorType);
    #else
        Py_None);
    #endif
    if (unlikely(result < 0)) goto ignore;
    if (unlikely(PyDict_SetItemString(globals, "_module", module) < 0)) goto ignore;
    if (unlikely(PyDict_SetItemString(globals, "__builtins__", __pyx_b) < 0)) goto ignore;
    result_obj = PyRun_String(py_code, Py_file_input, globals, globals);
    if (unlikely(!result_obj)) goto ignore;
    Py_DECREF(result_obj);
    Py_DECREF(globals);
    return module;
ignore:
    Py_XDECREF(globals);
    PyErr_WriteUnraisable(module);
    if (unlikely(PyErr_WarnEx(PyExc_RuntimeWarning, "Cython module failed to patch module with custom type", 1) < 0)) {
        Py_DECREF(module);
        module = NULL;
    }
#else
    py_code++;
#endif
    return module;
}

/* PatchGeneratorABC */
            #ifndef CYTHON_REGISTER_ABCS
#define CYTHON_REGISTER_ABCS 1
#endif
#if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED)
static PyObject* __Pyx_patch_abc_module(PyObject *module);
static PyObject* __Pyx_patch_abc_module(PyObject *module) {
    module = __Pyx_Coroutine_patch_module(
        module, ""
"if _cython_generator_type is not None:\n"
"    try: Generator = _module.Generator\n"
"    except AttributeError: pass\n"
"    else: Generator.register(_cython_generator_type)\n"
"if _cython_coroutine_type is not None:\n"
"    try: Coroutine = _module.Coroutine\n"
"    except AttributeError: pass\n"
"    else: Coroutine.register(_cython_coroutine_type)\n"
    );
    return module;
}
#endif
static int __Pyx_patch_abc(void) {
#if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED)
    static int abc_patched = 0;
    if (CYTHON_REGISTER_ABCS && !abc_patched) {
        PyObject *module;
        module = PyImport_ImportModule((PY_MAJOR_VERSION >= 3) ? "collections.abc" : "collections");
        if (!module) {
            PyErr_WriteUnraisable(NULL);
            if (unlikely(PyErr_WarnEx(PyExc_RuntimeWarning,
                    ((PY_MAJOR_VERSION >= 3) ?
                        "Cython module failed to register with collections.abc module" :
                        "Cython module failed to register with collections module"), 1) < 0)) {
                return -1;
            }
        } else {
            module = __Pyx_patch_abc_module(module);
            abc_patched = 1;
            if (unlikely(!module))
                return -1;
            Py_DECREF(module);
        }
        module = PyImport_ImportModule("backports_abc");
        if (module) {
            module = __Pyx_patch_abc_module(module);
            Py_XDECREF(module);
        }
        if (!module) {
            PyErr_Clear();
        }
    }
#else
    if ((0)) __Pyx_Coroutine_patch_module(NULL, NULL);
#endif
    return 0;
}

/* Generator */
            static PyMethodDef __pyx_Generator_methods[] = {
    {"send", (PyCFunction) __Pyx_Coroutine_Send, METH_O,
     (char*) PyDoc_STR("send(arg) -> send 'arg' into generator,\nreturn next yielded value or raise StopIteration.")},
    {"throw", (PyCFunction) __Pyx_Coroutine_Throw, METH_VARARGS,
     (char*) PyDoc_STR("throw(typ[,val[,tb]]) -> raise exception in generator,\nreturn next yielded value or raise StopIteration.")},
    {"close", (PyCFunction) __Pyx_Coroutine_Close, METH_NOARGS,
     (char*) PyDoc_STR("close() -> raise GeneratorExit inside generator.")},
    {0, 0, 0, 0}
};
static PyMemberDef __pyx_Generator_memberlist[] = {
    {(char *) "gi_running", T_BOOL, offsetof(__pyx_CoroutineObject, is_running), READONLY, NULL},
    {(char*) "gi_yieldfrom", T_OBJECT, offsetof(__pyx_CoroutineObject, yieldfrom), READONLY,
     (char*) PyDoc_STR("object being iterated by 'yield from', or None")},
    {(char*) "gi_code", T_OBJECT, offsetof(__pyx_CoroutineObject, gi_code), READONLY, NULL},
    {0, 0, 0, 0, 0}
};
static PyGetSetDef __pyx_Generator_getsets[] = {
    {(char *) "__name__", (getter)__Pyx_Coroutine_get_name, (setter)__Pyx_Coroutine_set_name,
     (char*) PyDoc_STR("name of the generator"), 0},
    {(char *) "__qualname__", (getter)__Pyx_Coroutine_get_qualname, (setter)__Pyx_Coroutine_set_qualname,
     (char*) PyDoc_STR("qualified name of the generator"), 0},
    {0, 0, 0, 0, 0}
};
static PyTypeObject __pyx_GeneratorType_type = {
    PyVarObject_HEAD_INIT(0, 0)
    "generator",
    sizeof(__pyx_CoroutineObject),
    0,
    (destructor) __Pyx_Coroutine_dealloc,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_FINALIZE,
    0,
    (traverseproc) __Pyx_Coroutine_traverse,
    0,
    0,
    offsetof(__pyx_CoroutineObject, gi_weakreflist),
    0,
    (iternextfunc) __Pyx_Generator_Next,
    __pyx_Generator_methods,
    __pyx_Generator_memberlist,
    __pyx_Generator_getsets,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
#if CYTHON_USE_TP_FINALIZE
    0,
#else
    __Pyx_Coroutine_del,
#endif
    0,
#if CYTHON_USE_TP_FINALIZE
    __Pyx_Coroutine_del,
#elif PY_VERSION_HEX >= 0x030400a1
    0,
#endif
};
static int __pyx_Generator_init(void) {
    __pyx_GeneratorType_type.tp_getattro = __Pyx_PyObject_GenericGetAttrNoDict;
    __pyx_GeneratorType_type.tp_iter = PyObject_SelfIter;
    __pyx_GeneratorType = __Pyx_FetchCommonType(&__pyx_GeneratorType_type);
    if (unlikely(!__pyx_GeneratorType)) {
        return -1;
    }
    return 0;
}

/* CheckBinaryVersion */
            static int __Pyx_check_binary_version(void) {
    char ctversion[4], rtversion[4];
    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
        char message[200];
        PyOS_snprintf(message, sizeof(message),
                      "compiletime version %s of module '%.100s' "
                      "does not match runtime version %s",
                      ctversion, __Pyx_MODULE_NAME, rtversion);
        return PyErr_WarnEx(NULL, message, 1);
    }
    return 0;
}

/* VoidPtrExport */
            static int __Pyx_ExportVoidPtr(PyObject *name, void *p, const char *sig) {
    PyObject *d;
    PyObject *cobj = 0;
    d = PyDict_GetItem(__pyx_d, __pyx_n_s_pyx_capi);
    Py_XINCREF(d);
    if (!d) {
        d = PyDict_New();
        if (!d)
            goto bad;
        if (__Pyx_PyObject_SetAttrStr(__pyx_m, __pyx_n_s_pyx_capi, d) < 0)
            goto bad;
    }
#if PY_VERSION_HEX >= 0x02070000
    cobj = PyCapsule_New(p, sig, 0);
#else
    cobj = PyCObject_FromVoidPtrAndDesc(p, (void *)sig, 0);
#endif
    if (!cobj)
        goto bad;
    if (PyDict_SetItem(d, name, cobj) < 0)
        goto bad;
    Py_DECREF(cobj);
    Py_DECREF(d);
    return 0;
bad:
    Py_XDECREF(cobj);
    Py_XDECREF(d);
    return -1;
}

/* FunctionExport */
            static int __Pyx_ExportFunction(const char *name, void (*f)(void), const char *sig) {
    PyObject *d = 0;
    PyObject *cobj = 0;
    union {
        void (*fp)(void);
        void *p;
    } tmp;
    d = PyObject_GetAttrString(__pyx_m, (char *)"__pyx_capi__");
    if (!d) {
        PyErr_Clear();
        d = PyDict_New();
        if (!d)
            goto bad;
        Py_INCREF(d);
        if (PyModule_AddObject(__pyx_m, (char *)"__pyx_capi__", d) < 0)
            goto bad;
    }
    tmp.fp = f;
#if PY_VERSION_HEX >= 0x02070000
    cobj = PyCapsule_New(tmp.p, sig, 0);
#else
    cobj = PyCObject_FromVoidPtrAndDesc(tmp.p, (void *)sig, 0);
#endif
    if (!cobj)
        goto bad;
    if (PyDict_SetItemString(d, name, cobj) < 0)
        goto bad;
    Py_DECREF(cobj);
    Py_DECREF(d);
    return 0;
bad:
    Py_XDECREF(cobj);
    Py_XDECREF(d);
    return -1;
}

/* InitStrings */
            static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
    while (t->p) {
        #if PY_MAJOR_VERSION < 3
        if (t->is_unicode) {
            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
        } else if (t->intern) {
            *t->p = PyString_InternFromString(t->s);
        } else {
            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
        }
        #else
        if (t->is_unicode | t->is_str) {
            if (t->intern) {
                *t->p = PyUnicode_InternFromString(t->s);
            } else if (t->encoding) {
                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
            } else {
                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
            }
        } else {
            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
        }
        #endif
        if (!*t->p)
            return -1;
        if (PyObject_Hash(*t->p) == -1)
            return -1;
        ++t;
    }
    return 0;
}

static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
}
static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject* o) {
    Py_ssize_t ignore;
    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
}
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
#if !CYTHON_PEP393_ENABLED
static const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
    char* defenc_c;
    PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
    if (!defenc) return NULL;
    defenc_c = PyBytes_AS_STRING(defenc);
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
    {
        char* end = defenc_c + PyBytes_GET_SIZE(defenc);
        char* c;
        for (c = defenc_c; c < end; c++) {
            if ((unsigned char) (*c) >= 128) {
                PyUnicode_AsASCIIString(o);
                return NULL;
            }
        }
    }
#endif
    *length = PyBytes_GET_SIZE(defenc);
    return defenc_c;
}
#else
static CYTHON_INLINE const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
    if (unlikely(__Pyx_PyUnicode_READY(o) == -1)) return NULL;
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
    if (likely(PyUnicode_IS_ASCII(o))) {
        *length = PyUnicode_GET_LENGTH(o);
        return PyUnicode_AsUTF8(o);
    } else {
        PyUnicode_AsASCIIString(o);
        return NULL;
    }
#else
    return PyUnicode_AsUTF8AndSize(o, length);
#endif
}
#endif
#endif
static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
    if (
#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
            __Pyx_sys_getdefaultencoding_not_ascii &&
#endif
            PyUnicode_Check(o)) {
        return __Pyx_PyUnicode_AsStringAndSize(o, length);
    } else
#endif
#if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE))
    if (PyByteArray_Check(o)) {
        *length = PyByteArray_GET_SIZE(o);
        return PyByteArray_AS_STRING(o);
    } else
#endif
    {
        char* result;
        int r = PyBytes_AsStringAndSize(o, &result, length);
        if (unlikely(r < 0)) {
            return NULL;
        } else {
            return result;
        }
    }
}
static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
   int is_true = x == Py_True;
   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
   else return PyObject_IsTrue(x);
}
static PyObject* __Pyx_PyNumber_IntOrLongWrongResultType(PyObject* result, const char* type_name) {
#if PY_MAJOR_VERSION >= 3
    if (PyLong_Check(result)) {
        if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
                "__int__ returned non-int (type %.200s).  "
                "The ability to return an instance of a strict subclass of int "
                "is deprecated, and may be removed in a future version of Python.",
                Py_TYPE(result)->tp_name)) {
            Py_DECREF(result);
            return NULL;
        }
        return result;
    }
#endif
    PyErr_Format(PyExc_TypeError,
                 "__%.4s__ returned non-%.4s (type %.200s)",
                 type_name, type_name, Py_TYPE(result)->tp_name);
    Py_DECREF(result);
    return NULL;
}
static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) {
#if CYTHON_USE_TYPE_SLOTS
  PyNumberMethods *m;
#endif
  const char *name = NULL;
  PyObject *res = NULL;
#if PY_MAJOR_VERSION < 3
  if (likely(PyInt_Check(x) || PyLong_Check(x)))
#else
  if (likely(PyLong_Check(x)))
#endif
    return __Pyx_NewRef(x);
#if CYTHON_USE_TYPE_SLOTS
  m = Py_TYPE(x)->tp_as_number;
  #if PY_MAJOR_VERSION < 3
  if (m && m->nb_int) {
    name = "int";
    res = m->nb_int(x);
  }
  else if (m && m->nb_long) {
    name = "long";
    res = m->nb_long(x);
  }
  #else
  if (likely(m && m->nb_int)) {
    name = "int";
    res = m->nb_int(x);
  }
  #endif
#else
  if (!PyBytes_CheckExact(x) && !PyUnicode_CheckExact(x)) {
    res = PyNumber_Int(x);
  }
#endif
  if (likely(res)) {
#if PY_MAJOR_VERSION < 3
    if (unlikely(!PyInt_Check(res) && !PyLong_Check(res))) {
#else
    if (unlikely(!PyLong_CheckExact(res))) {
#endif
        return __Pyx_PyNumber_IntOrLongWrongResultType(res, name);
    }
  }
  else if (!PyErr_Occurred()) {
    PyErr_SetString(PyExc_TypeError,
                    "an integer is required");
  }
  return res;
}
static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
  Py_ssize_t ival;
  PyObject *x;
#if PY_MAJOR_VERSION < 3
  if (likely(PyInt_CheckExact(b))) {
    if (sizeof(Py_ssize_t) >= sizeof(long))
        return PyInt_AS_LONG(b);
    else
        return PyInt_AsSsize_t(x);
  }
#endif
  if (likely(PyLong_CheckExact(b))) {
    #if CYTHON_USE_PYLONG_INTERNALS
    const digit* digits = ((PyLongObject*)b)->ob_digit;
    const Py_ssize_t size = Py_SIZE(b);
    if (likely(__Pyx_sst_abs(size) <= 1)) {
        ival = likely(size) ? digits[0] : 0;
        if (size == -1) ival = -ival;
        return ival;
    } else {
      switch (size) {
         case 2:
           if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
             return (Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case -2:
           if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
             return -(Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case 3:
           if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
             return (Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case -3:
           if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
             return -(Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case 4:
           if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
             return (Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
         case -4:
           if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
             return -(Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
           }
           break;
      }
    }
    #endif
    return PyLong_AsSsize_t(b);
  }
  x = PyNumber_Index(b);
  if (!x) return -1;
  ival = PyInt_AsSsize_t(x);
  Py_DECREF(x);
  return ival;
}
static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b) {
  return b ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False);
}
static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
    return PyInt_FromSize_t(ival);
}


#endif /* Py_PYTHON_H */