feat(rdf): Use a dedicated label relation to import rdfs:label values

owl2yams/ccplugin.py

@@ -91,7 +91,15 @@
                         relation_type = self.get_entity_from_uri(
                             cnx, predicate_uri, "CWRType"
                         )
-                    except (NoResultError, MultipleResultsError):
+                    except NoResultError:
+                        if (
+                            predicate_uri.toPython()
+                            == "http://www.w3.org/2000/01/rdf-schema#label"
+                        ):
+                            relation_type = cnx.find("CWRType", name="label").one()
+                        else:
+                            continue
+                    except MultipleResultsError:
                         continue
                     if relation_type.final:
                         temp_attributes[relation_type.name] = object_value.toPython()

owl2yams/generate_entities.py

@@ -4,6 +4,7 @@
 
 entities_template = jinja2.Template(
     """
+from cubicweb.entities import AnyEntity
 from cubicweb.entities.adapters import EntityRDFAdapter
 from cubicweb.predicates import is_instance
 from cubicweb.rdf import NAMESPACES
@@ -7,7 +8,7 @@
 from cubicweb.entities.adapters import EntityRDFAdapter
 from cubicweb.predicates import is_instance
 from cubicweb.rdf import NAMESPACES
-from rdflib import URIRef, OWL
+from rdflib import URIRef, OWL, RDFS
 
 
 class OWL2YamsGenericRDFAdapter(EntityRDFAdapter):
@@ -18,9 +19,10 @@
 {% for fragment, uri in relationtype_fragment_to_uri.items() %}
         yield(NAMESPACES['cubicweb']["{{fragment}}"], OWL.equivalentProperty, URIRef("{{uri}}"))
 {% endfor %}
+        yield(NAMESPACES["cubicweb"]["name"], OWL.equivalentProperty, RDFS.label)
         yield from super().triples()
 
 {% for fragment, uri in entitytype_fragment_to_uri.items() %}
 class {{fragment}}RDFAdapter(OWL2YamsGenericRDFAdapter):
     __select__ = is_instance("{{fragment}}")
     __regid__ = "rdf"
@@ -21,9 +23,16 @@
         yield from super().triples()
 
 {% for fragment, uri in entitytype_fragment_to_uri.items() %}
 class {{fragment}}RDFAdapter(OWL2YamsGenericRDFAdapter):
     __select__ = is_instance("{{fragment}}")
     __regid__ = "rdf"
+
+class {{fragment}}(AnyEntity):
+
+    def dc_title(self):
+        if self.label:
+            return self.label
+        return super().dc_title()
 {% endfor %}
 
 

owl2yams/schema_uri.py

@@ -6,3 +6,10 @@
     subject = "*"
     object = ("ExternalUri",)
     cardinality = "*?"
+
+
+class label(RelationDefinition):
+    subject = "*"
+    object = "String"
+    cardinality = "?1"
+    final = True