Change `urn:fc*` namespaces to `info:fc*`.

* URN scheme does not allow slashes and Fuseki breaks when using URNs contianing slashes
  in `BASE` statements.
* Take the opportunity to remove unused FCREPO4 prefixes.

data/bootstrap/default_layout.nq

@@ -3,9 +3,9 @@
 # This needs to be in N-Quads format because of
 # https://github.com/RDFLib/rdflib/issues/436
 
-<urn:fcsystem:root> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/ldp#RDFSource> <urn:fcgraph:main> .
-<urn:fcsystem:root> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/ldp#Container> <urn:fcgraph:main> .
-<urn:fcsystem:root> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/ldp#BasicContainer> <urn:fcgraph:main> .
-<urn:fcsystem:root> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://fedora.info/definitions/v4/repository#RepositoryRoot> <urn:fcgraph:main> .
-<urn:fcsystem:root> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://fedora.info/definitions/v4/repository#Resource> <urn:fcgraph:main> .
-<urn:fcsystem:root> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://fedora.info/definitions/v4/repository#Container> <urn:fcgraph:main> .
+<info:fcsystem:root> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/ldp#RDFSource> <info:fcgraph:main> .
+<info:fcsystem:root> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/ldp#Container> <info:fcgraph:main> .
+<info:fcsystem:root> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/ldp#BasicContainer> <info:fcgraph:main> .
+<info:fcsystem:root> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://fedora.info/definitions/v4/repository#RepositoryRoot> <info:fcgraph:main> .
+<info:fcsystem:root> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://fedora.info/definitions/v4/repository#Resource> <info:fcgraph:main> .
+<info:fcsystem:root> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://fedora.info/definitions/v4/repository#Container> <info:fcgraph:main> .

data/bootstrap/default_layout.trig

@@ -3,8 +3,8 @@
 @prefix ldp: <http://www.w3.org/ns/ldp#> .
 @prefix fcrepo: <http://fedora.info/definitions/v4/repository#> .
 
-<urn:fcgraph:main> {
-  <urn:fcsystem:root>
+<info:fcgraph:main> {
+  <info:fcsystem:root>
     a ldp:RDFSource , ldp:Container , ldp:BasicContainer ,
       fcrepo:RepositoryRoot , fcrepo:Resource , fcrepo:Container ;
     .

lakesuperior/dictionaries/namespaces.py

@@ -8,25 +8,21 @@ from lakesuperior.config_parser import config
 # Core namespace prefixes. These add to and override any user-defined prefixes.
 # @TODO Some of these have been copy-pasted from FCREPO4 and may be deprecated.
 core_namespaces = {
-    'authz' : Namespace('http://fedora.info/definitions/v4/authorization#'),
-    'cnt' : Namespace('http://www.w3.org/2011/content#'),
     'dc' : rdflib.namespace.DC,
     'dcterms' : rdflib.namespace.DCTERMS,
-    'ebucore' : Namespace('http://www.ebu.ch/metadata/ontologies/ebucore/ebucore#'),
+    'ebucore' : Namespace(
+        'http://www.ebu.ch/metadata/ontologies/ebucore/ebucore#'),
     'fcrepo' : Namespace('http://fedora.info/definitions/v4/repository#'),
-    'fcrconfig' : Namespace('http://fedora.info/definitions/v4/config#'), # fcrepo =< 4.7
-    'gen' : Namespace('http://www.w3.org/2006/gen/ont#'),
+    'fcrconfig' : Namespace('http://fedora.info/definitions/v4/config#'),
     'iana' : Namespace('http://www.iana.org/assignments/relation/'),
-    'lake' : Namespace('http://definitions.artic.edu/ontology/lake#'),
-    'lakemeta' : Namespace('http://definitions.artic.edu/ontology/lake/metadata#'),
     'ldp' : Namespace('http://www.w3.org/ns/ldp#'),
-    'owl' : rdflib.namespace.OWL,
     'premis' : Namespace('http://www.loc.gov/premis/rdf/v1#'),
     'rdf' : rdflib.namespace.RDF,
     'rdfs' : rdflib.namespace.RDFS,
-    'fcg' : Namespace('urn:fcgraph:'),
-    'fcres' : Namespace('urn:fcres:'),
-    'fcsystem' : Namespace('urn:fcsystem:'),
+    # For info: vs. urn:, see https://tools.ietf.org/html/rfc4452#section-6.3
+    'fcg' : Namespace('info:fcgraph:'),
+    'fcres' : Namespace('info:fcres:'),
+    'fcsystem' : Namespace('info:fcsystem:'),
     'webac' : Namespace('http://www.w3.org/ns/auth/acl#'),
     'xml' : Namespace('http://www.w3.org/XML/1998/namespace'),
     'xsd' : rdflib.namespace.XSD,

tests/test_toolbox.py

@@ -72,30 +72,30 @@ class TestToolbox:
 
         FREE GRATUITOUS {{
           <#blah> a <{0}/type#A> .
-          <> <urn:ex:p> <xyz> .
+          <> <info:ex:p> <xyz> .
           <#c#r#a#zy> ex:virtue <?blah#e> .
           <{0}> <{0}/go#lala>
             <{0}/heythere/gulp> .
         }} GARB AGE TOKENS {{
           <{0}/hey?there#hoho> <https://goglyeyes.com#cearch>
             <{0}#hehe> .
-          <{0}?there#haha> <urn:auth:blok> "Hi I'm a strong" .
+          <{0}?there#haha> <info:auth:blok> "Hi I'm a strong" .
         }}
         '''.format(g.webroot)
         exp_output = '''
         @prefix bogus: <http://bogs.r.us#>
-        @prefix ex: <urn:fcres:ns#>
+        @prefix ex: <info:fcres:ns#>
 
         FREE GRATUITOUS {
-          <urn:fcres:123#blah> a <urn:fcres:type#A> .
-          <urn:fcres:123> <urn:ex:p> <xyz> .
-          <urn:fcres:123#c#r#a#zy> ex:virtue <urn:fcres:123?blah#e> .
-          <urn:fcsystem:root> <urn:fcres:go#lala>
-            <urn:fcres:heythere/gulp> .
+          <info:fcres:123#blah> a <info:fcres:type#A> .
+          <info:fcres:123> <info:ex:p> <xyz> .
+          <info:fcres:123#c#r#a#zy> ex:virtue <info:fcres:123?blah#e> .
+          <info:fcsystem:root> <info:fcres:go#lala>
+            <info:fcres:heythere/gulp> .
         } GARB AGE TOKENS {
-          <urn:fcres:hey?there#hoho> <https://goglyeyes.com#cearch>
-            <urn:fcsystem:root#hehe> .
-          <urn:fcsystem:root?there#haha> <urn:auth:blok> "Hi I'm a strong" .
+          <info:fcres:hey?there#hoho> <https://goglyeyes.com#cearch>
+            <info:fcsystem:root#hehe> .
+          <info:fcsystem:root?there#haha> <info:auth:blok> "Hi I'm a strong" .
         }
         '''