def del_vocab_from_creator(userid, vocab): if not os.path.isfile(os.path.join(ag.creatorsdir, '%s.rdf'%userid)): return False graph = Graph() graph.parse(os.path.join(ag.creatorsdir, '%s.rdf'%userid)) vocab_uri = URIRef("http://vocab.ox.ac.uk/%s"%vocabprefix) for s, p, o in graph.triples((URIRef(vocab_uri), namespaces['dcterms']['mediator'], None)): graph.remove((s, p, o)) rdf_str = None rdf_str = graph.serialize() f = codecs.open(creatorfile, 'w', 'utf-8') f.write(rdf_str) f.close() return True
def del_vocab_from_creator(userid, vocab): if not os.path.isfile(os.path.join(ag.creatorsdir, '%s.rdf' % userid)): return False graph = Graph() graph.parse(os.path.join(ag.creatorsdir, '%s.rdf' % userid)) vocab_uri = URIRef("http://vocab.ox.ac.uk/%s" % vocabprefix) for s, p, o in graph.triples( (URIRef(vocab_uri), namespaces['dcterms']['mediator'], None)): graph.remove((s, p, o)) rdf_str = None rdf_str = graph.serialize() f = codecs.open(creatorfile, 'w', 'utf-8') f.write(rdf_str) f.close() return True
def testN3Store(store="default", configString=None): g = ConjunctiveGraph(store=store) if configString: g.destroy(configString) g.open(configString) g.parse(StringInputSource(testN3), format="n3") print g.store try: for s, p, o in g.triples((None, implies, None)): formulaA = s formulaB = o assert type(formulaA) == QuotedGraph and type(formulaB) == QuotedGraph a = URIRef('http://test/a') b = URIRef('http://test/b') c = URIRef('http://test/c') d = URIRef('http://test/d') v = Variable('y') universe = ConjunctiveGraph(g.store) #test formula as terms assert len(list(universe.triples((formulaA, implies, formulaB)))) == 1 #test variable as term and variable roundtrip assert len(list(formulaB.triples((None, None, v)))) == 1 for s, p, o in formulaB.triples((None, d, None)): if o != c: assert isinstance(o, Variable) assert o == v s = list(universe.subjects(RDF.type, RDFS.Class))[0] assert isinstance(s, BNode) assert len(list(universe.triples((None, implies, None)))) == 1 assert len(list(universe.triples((None, RDF.type, None)))) == 1 assert len(list(formulaA.triples((None, RDF.type, None)))) == 1 assert len(list(formulaA.triples((None, None, None)))) == 2 assert len(list(formulaB.triples((None, None, None)))) == 2 assert len(list(universe.triples((None, None, None)))) == 3 assert len( list(formulaB.triples((None, URIRef('http://test/d'), None)))) == 2 assert len( list(universe.triples((None, URIRef('http://test/d'), None)))) == 1 #context tests #test contexts with triple argument assert len(list(universe.contexts((a, d, c)))) == 1 #Remove test cases universe.remove((None, implies, None)) assert len(list(universe.triples((None, implies, None)))) == 0 assert len(list(formulaA.triples((None, None, None)))) == 2 assert len(list(formulaB.triples((None, None, None)))) == 2 formulaA.remove((None, b, None)) assert len(list(formulaA.triples((None, None, None)))) == 1 formulaA.remove((None, RDF.type, None)) assert len(list(formulaA.triples((None, None, None)))) == 0 universe.remove((None, RDF.type, RDFS.Class)) #remove_context tests universe.remove_context(formulaB) assert len(list(universe.triples((None, RDF.type, None)))) == 0 assert len(universe) == 1 assert len(formulaB) == 0 universe.remove((None, None, None)) assert len(universe) == 0 g.store.destroy(configString) except: g.store.destroy(configString) raise
def testN3Store(store="default", configString=None): g = ConjunctiveGraph(store=store) if configString: g.destroy(configString) g.open(configString) g.parse(StringInputSource(testN3), format="n3") print g.store try: for s,p,o in g.triples((None,implies,None)): formulaA = s formulaB = o assert type(formulaA)==QuotedGraph and type(formulaB)==QuotedGraph a = URIRef('http://test/a') b = URIRef('http://test/b') c = URIRef('http://test/c') d = URIRef('http://test/d') v = Variable('y') universe = ConjunctiveGraph(g.store) #test formula as terms assert len(list(universe.triples((formulaA,implies,formulaB))))==1 #test variable as term and variable roundtrip assert len(list(formulaB.triples((None,None,v))))==1 for s,p,o in formulaB.triples((None,d,None)): if o != c: assert isinstance(o,Variable) assert o == v s = list(universe.subjects(RDF.type, RDFS.Class))[0] assert isinstance(s,BNode) assert len(list(universe.triples((None,implies,None)))) == 1 assert len(list(universe.triples((None,RDF.type,None)))) ==1 assert len(list(formulaA.triples((None,RDF.type,None))))==1 assert len(list(formulaA.triples((None,None,None))))==2 assert len(list(formulaB.triples((None,None,None))))==2 assert len(list(universe.triples((None,None,None))))==3 assert len(list(formulaB.triples((None,URIRef('http://test/d'),None))))==2 assert len(list(universe.triples((None,URIRef('http://test/d'),None))))==1 #context tests #test contexts with triple argument assert len(list(universe.contexts((a,d,c))))==1 #Remove test cases universe.remove((None,implies,None)) assert len(list(universe.triples((None,implies,None))))==0 assert len(list(formulaA.triples((None,None,None))))==2 assert len(list(formulaB.triples((None,None,None))))==2 formulaA.remove((None,b,None)) assert len(list(formulaA.triples((None,None,None))))==1 formulaA.remove((None,RDF.type,None)) assert len(list(formulaA.triples((None,None,None))))==0 universe.remove((None,RDF.type,RDFS.Class)) #remove_context tests universe.remove_context(formulaB) assert len(list(universe.triples((None,RDF.type,None))))==0 assert len(universe)==1 assert len(formulaB)==0 universe.remove((None,None,None)) assert len(universe)==0 g.store.destroy(configString) except: g.store.destroy(configString) raise