fix: merge rdfs:label export from upstream

Author: satra

nipype/external/provcopy.py

@@ -21,7 +21,7 @@
     from rdflib.term import URIRef, BNode
     from rdflib.term import Literal as RDFLiteral
     from rdflib.graph import ConjunctiveGraph, Graph
-    from rdflib.namespace import RDF
+    from rdflib.namespace import RDF, RDFS
 except ImportError:
     pass
 
@@ -760,7 +760,12 @@ def rdf(self, graph=None, subj=None):
                 graph.add((subj, pred, obj))
         if self._extra_attributes:
             for (attr, value) in self._extra_attributes:
-                pred = attr.rdf_representation() if attr != PROV['type'] else RDF.type
+                if attr == PROV['type']:
+                    pred = RDF.type
+                elif attr == PROV['label']:
+                    pred = RDFS.label
+                else:
+                    pred = attr.rdf_representation()
                 try:
                     # try if there is a RDF representation defined
                     obj = value.rdf_representation()
@@ -825,7 +830,12 @@ def rdf(self, graph=None):
             for (attr, value) in self._extra_attributes:
                 if not value:
                     continue
-                pred = attr.rdf_representation() if attr != PROV['type'] else RDF.type
+                if attr == PROV['type']:
+                    pred = RDF.type
+                elif attr == PROV['label']:
+                    pred = RDFS.label
+                else:
+                    pred = attr.rdf_representation()
                 try:
                     # try if there is a RDF representation defined
                     otherobj = value.rdf_representation()