Correctly parse and return LDP-NR MIME type.

lakesuperior/endpoints/ldp.py

@@ -211,7 +211,7 @@ def get_resource(uid, force_rdf=False):
         else:
             logger.info('Streaming out binary content.')
             rsp = make_response(send_file(rsrc.local_path, as_attachment=True,
-                    attachment_filename=rsrc.filename))
+                    attachment_filename=rsrc.filename, mimetype=rsrc.mimetype))
             rsp.headers['Link'] = '<{}/fcr:metadata>; rel="describedby"'\
                     .format(rsrc.uri)
 

lakesuperior/model/ldp_nr.py

@@ -20,7 +20,7 @@ class LdpNr(Ldpr):
         nsc['ldp'].NonRDFSource,
     }
 
-    def __init__(self, uuid, stream=None, mimetype='application/octet-stream',
+    def __init__(self, uuid, stream=None, mimetype=None,
             disposition=None, **kwargs):
         '''
         Extends Ldpr.__init__ by adding LDP-NR specific parameters.
@@ -34,7 +34,14 @@ class LdpNr(Ldpr):
         else:
             self.workflow = self.WRKF_OUTBOUND
 
-        self.mimetype = mimetype
+        if not mimetype:
+            self.mimetype = (
+                    self.metadata.value(nsc['ebucore'].hasMimeType)
+                    if self.is_stored
+                    else 'application/octet-stream')
+        else:
+            self.mimetype = mimetype
+
         self.disposition = disposition
 
 

lakesuperior/store_layouts/ldp_rs/rsrc_centric_layout.py

@@ -46,14 +46,6 @@ class RsrcCentricLayout:
     E.g. if the configuration indicates `simple_layout` the application will
     look for
     `lakesuperior.store_layouts.rdf.simple_layout.SimpleLayout`.
-
-    Some method naming conventions:
-
-    - Methods starting with `get_` return a resource.
-    - Methods starting with `list_` return an iterable or generator of URIs.
-    - Methods starting with `select_` return an iterable or generator with
-      table-like data such as from a SELECT statement.
-    - Methods starting with `ask_` return a boolean value.
     '''
 
     _logger = logging.getLogger(__name__)
@@ -65,6 +57,7 @@ class RsrcCentricLayout:
             # List of server-managed predicates. Triples bearing one of these
             # predicates will go in the metadata graph.
             'p': {
+                nsc['ebucore'].hasMimeType,
                 nsc['fcrepo'].created,
                 nsc['fcrepo'].createdBy,
                 nsc['fcrepo'].hasParent,