--- a/web/views/rdf.py Mon Jan 04 18:40:30 2016 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,111 +0,0 @@
-# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
-# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
-#
-# This file is part of CubicWeb.
-#
-# CubicWeb is free software: you can redistribute it and/or modify it under the
-# terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 2.1 of the License, or (at your option)
-# any later version.
-#
-# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
-# details.
-#
-# You should have received a copy of the GNU Lesser General Public License along
-# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.
-"""base xml and rss views"""
-
-__docformat__ = "restructuredtext en"
-from cubicweb import _
-
-from six.moves import range
-
-from yams import xy
-
-from cubicweb.schema import VIRTUAL_RTYPES
-from cubicweb.view import EntityView
-from cubicweb.web.views.xmlrss import SERIALIZERS
-
-try:
- import rdflib
-except ImportError:
- rdflib = None
-
-if rdflib is not None:
- RDF = rdflib.Namespace('http://www.w3.org/1999/02/22-rdf-syntax-ns#')
- CW = rdflib.Namespace('http://ns.cubicweb.org/cubicweb/0.0/')
- from rdflib import Literal, URIRef, Namespace
-
- def urijoin(item):
- base, ext = item
- return URIRef(Namespace(base)[ext])
-
- SKIP_RTYPES = VIRTUAL_RTYPES | set(['cwuri', 'is', 'is_instance_of'])
-
- class RDFView(EntityView):
- """rdf view for entities"""
- __regid__ = 'rdf'
- title = _('rdf export')
- templatable = False
- binary = True
- format = 'xml'
- content_type = 'text/xml' # +rdf
-
- def call(self):
- graph = rdflib.Graph()
- graph.bind('cw', CW)
- for prefix, xmlns in xy.XY.prefixes.items():
- graph.bind(prefix, rdflib.Namespace(xmlns))
- for i in range(self.cw_rset.rowcount):
- entity = self.cw_rset.complete_entity(i, 0)
- self.entity2graph(graph, entity)
- self.w(graph.serialize(format=self.format))
-
- def entity_call(self, entity):
- self.call()
-
- def entity2graph(self, graph, entity):
- cwuri = URIRef(entity.cwuri)
- add = graph.add
- add( (cwuri, RDF.type, CW[entity.e_schema.type]) )
- try:
- for item in xy.xeq(entity.e_schema.type):
- add( (cwuri, RDF.type, urijoin(item)) )
- except xy.UnsupportedVocabulary:
- pass
- for rschema, eschemas, role in entity.e_schema.relation_definitions('relation'):
- rtype = rschema.type
- if rtype in SKIP_RTYPES or rtype.endswith('_permission'):
- continue
- for eschema in eschemas:
- if eschema.final:
- try:
- value = entity.cw_attr_cache[rtype]
- except KeyError:
- continue # assuming rtype is Bytes
- if value is not None:
- add( (cwuri, CW[rtype], Literal(value)) )
- try:
- for item in xy.xeq('%s %s' % (entity.e_schema.type, rtype)):
- add( (cwuri, urijoin(item[1]), Literal(value)) )
- except xy.UnsupportedVocabulary:
- pass
- else:
- for related in entity.related(rtype, role, entities=True, safe=True):
- if role == 'subject':
- add( (cwuri, CW[rtype], URIRef(related.cwuri)) )
- try:
- for item in xy.xeq('%s %s' % (entity.e_schema.type, rtype)):
- add( (cwuri, urijoin(item[1]), URIRef(related.cwuri)) )
- except xy.UnsupportedVocabulary:
- pass
- else:
- add( (URIRef(related.cwuri), CW[rtype], cwuri) )
-
-
- class RDFN3View(RDFView):
- __regid__ = 'n3rdf'
- format = 'n3'
- content_type = 'text/n3'