def _rdf_resource(self, e):
TNS, tn = _split_URI(e.tag)
concept = None
try:
concept = TNS[tn]
except ObjectDoesNotExist, x:
self._except(ObjectDoesNotExist, x, 'unable to resolve tag `%s`' % e.tag) # IGNORE:E1101
def _rdf_property_subpropertyof(self, e, predicate):
b = e.find(RDFS_SUBPROPERTYOF)
if b is None: return
b = b.get(RDF_RESOURCE)
if b is None: return
bns, bname = _split_URI(b)
self._superpredicates.append((predicate, bns, bname))
def _rdfs_class_subclassof(self, e, concept):
b = e.find(RDFS_SUBCLASSOF)
if b is None: return
b = b.get(RDF_RESOURCE)
if b is None: return
bns, bname = _split_URI(b)
self._superconcepts.append((concept, bns, bname))
def _rdf_property_domain(e):
create = False
de = e.find(RDFS_DOMAIN)
if de is None:
domain = RESOURCE
else:
dns, dn = _split_URI(de.get(RDF_RESOURCE))
try:
domain = Concept.objects.get(resource__namespace=dns, resource__name=dn)
except Concept.DoesNotExist: # IGNORE:E1101
r, _ = Resource.objects.get_or_create(
namespace=dns, name=dn, defaults=dict(type=CONCEPT))
domain = Concept(resource=r, title=dn.title())
create = True
return domain, create
def _rdf_property_range(e):
create = False
re = e.find(RDFS_RANGE)
if re is None:
range = RESOURCE
else:
rns, rn = _split_URI(re.get(RDF_RESOURCE))
assert not rns is None
assert '' != rn
try:
r, _ = Resource.objects.get_or_create(
namespace=rns, name=rn, defaults=dict(type=CONCEPT))
range = Concept.objects.get(resource=r)
except Concept.DoesNotExist: # IGNORE:E1101
range = Concept(resource=r, title=rn.title())
create = True
return range, create
self._superpredicates.append((predicate, bns, bname))
def _rdf_resource(self, e):
TNS, tn = _split_URI(e.tag)
concept = None
try:
concept = TNS[tn]
except ObjectDoesNotExist, x:
self._except(ObjectDoesNotExist, x, 'unable to resolve tag `%s`' % e.tag) # IGNORE:E1101
if concept is None or not isinstance(concept, Concept):
return
uri = e.get(RDF_ABOUT)
if uri is None:
uri = e.get(RDF_ID) # Either about or ID are required
RNS, rn = _split_URI(uri)
if RNS is None:
RNS = self._ontology.namespace # Best guess
match = Resource.objects.filter(namespace=RNS, name=rn)
resource = None
if 1 > match.count():
resource = Resource(namespace=RNS, name=rn, type=concept)
yield resource
else:
resource = match[0]
custom_model = _rdf_resource_map_custom_model(e, resource, concept)
if not custom_model is None: yield custom_model
dc_title = _rdf_resource_dc_title(e, resource)
if not dc_title is None: yield dc_title
dc_description = _rdf_resource_dc_description(e, resource)