def testRemoveTriple(self):
g = Graph()
g.addTriple(subject='u:ri', predicate='p:redicate', object='obj')
g.addTriple(subject='u:ri', predicate='p:redicate', object='obj2')
self.assertEquals(2, len(list(g.triples())))
self.assertEquals(12, len(g._tripleDict)) # Whitebox no-leaking defaultdict entries on delete
g.removeTriple(subject='u:ri', predicate='p:redicate', object='obj2')
self.assertEquals(8, len(g._tripleDict)) # Whitebox no-leaking defaultdict entries on delete
# Keep 1
self.assertEquals(1, len(list(g.triples())))
self.assertEquals(1, len(list(g.triples(None, None, None))))
self.assertEquals(1, len(list(g.triples(None, None, 'obj'))))
self.assertEquals(1, len(list(g.triples(None, 'p:redicate', None))))
self.assertEquals(1, len(list(g.triples(None, 'p:redicate', 'obj'))))
self.assertEquals(1, len(list(g.triples('u:ri', None, None))))
self.assertEquals(1, len(list(g.triples('u:ri', None, 'obj'))))
self.assertEquals(1, len(list(g.triples('u:ri', 'p:redicate', None))))
self.assertEquals(1, len(list(g.triples('u:ri', 'p:redicate', 'obj'))))
# Kill 1
self.assertEquals(0, len(list(g.triples(None, None, 'obj2'))))
self.assertEquals(0, len(list(g.triples(None, 'p:redicate', 'obj2'))))
self.assertEquals(0, len(list(g.triples('u:ri', 'p:redicate', 'obj2'))))
def testMatchTriplePathRealRdfTriples(self):
# Note: at the moment we follow the convention that only (for performance reasons) the triple's object is wrapped in Literal, Uri or BNode.
# All variable bindings get wrapped.
g = Graph()
g.addTriple('uri:x', 'uri:y', Uri('uri:z'))
g.addTriple('uri:a', 'uri:b', Literal('c'))
g.addTriple('uri:z', 'uri:d', Uri('uri:a'))
g.addTriple('uri:a', 'uri:e', Uri('uri:x'))
self.assertEquals(
[{'v': Uri('uri:x')}],
list(g.matchTriplePatterns(('?v', 'uri:y', Uri('uri:z')))))
self.assertEquals(
[{'v': Uri('uri:a')}],
list(g.matchTriplePatterns(('?v', 'uri:b', None))))
self.assertEquals(
[{'v': Uri('uri:a')}, {'v': Uri('uri:x')}, {'v': Uri('uri:z')}],
sorted(g.matchTriplePatterns((None, None, '?v'), ('?v', None, None))))
self.assertEquals(
[{'v': Uri('uri:a')}, {'v': Uri('uri:x')}, {'v': Uri('uri:z')}],
sorted(g.matchTriplePatterns(('?v', None, None), (None, None, '?v'))))
self.assertEquals(
[dict(v0=Uri('uri:a'), v1=Uri('uri:x'), v2=Uri('uri:z'))],
list(g.matchTriplePatterns(
('?v0', None, '?v1'),
('?v1', None, '?v2'),
('?v2', None, '?v0'),
('?v0', None, Literal('c')))))
def testNestedAnonymousBNode(self):
graph = Graph()
for triple in [
('http://example.org/item', curieToUri('dcterms:creator'), BNode('_:1')),
('_:1', curieToUri('rdfs:label'), Literal('The Creator', lang='en')),
('_:1', curieToUri('dcterms:spatial'), BNode('_:2')),
('_:2', curieToUri('geo:lat'), Literal('123.123')),
('_:2', curieToUri('geo:long'), Literal('1.3')),
]:
graph.addTriple(*triple)
self.assertXmlEquals('''<rdf:RDF %(xmlns_rdf)s %(xmlns_rdfs)s %(xmlns_dcterms)s %(xmlns_geo)s>
<rdf:Description rdf:about="http://example.org/item">
<dcterms:creator>
<rdf:Description>
<dcterms:spatial>
<rdf:Description>
<geo:lat>123.123</geo:lat>
<geo:long>1.3</geo:long>
</rdf:Description>
</dcterms:spatial>
<rdfs:label xml:lang="en">The Creator</rdfs:label>
</rdf:Description>
</dcterms:creator>
</rdf:Description>
</rdf:RDF>''' % namespaces, Triples2RdfXml().asRdfXml(graph))
def testRdfResource(self):
graph = Graph()
graph.addTriple('http://example.org/item', curieToUri('dcterms:creator'), Uri('http://example.org/theCreator'))
self.assertXmlEquals('''<rdf:RDF %(xmlns_rdf)s %(xmlns_dcterms)s>
<rdf:Description rdf:about="http://example.org/item">
<dcterms:creator rdf:resource="http://example.org/theCreator"/>
</rdf:Description>
</rdf:RDF>''' % namespaces, Triples2RdfXml().asRdfXml(graph))
def testGraphFindLabelSpecifyAllowedLabelPredicates(self):
g = Graph()
g.addTriple('u:ri', curieToUri('rdfs:label'), Literal('rdfsLabel'))
self.assertEquals(None, g.findLabel(uri='u:ri', labelPredicates=[]))
self.assertEquals(Literal('rdfsLabel'), g.findLabel(uri='u:ri', labelPredicates=[curieToUri('rdfs:label')]))
g.addTriple('u:ri2', curieToUri('skos:altLabel'), Literal('altLabel'))
self.assertEquals(None, g.findLabel(uri='u:ri2', labelPredicates=[curieToUri('rdfs:label')]))
self.assertEquals(Literal('altLabel'), g.findLabel(uri='u:ri2', labelPredicates=[curieToUri('rdfs:label'), curieToUri('skos:altLabel')]))
def testMoreThanOneTriplePerSubjectAsRdfXml(self):
graph = Graph()
graph.addTriple('http://example.org/item', curieToUri('rdfs:label'), Literal('The Item', lang="en"))
graph.addTriple('http://example.org/item', curieToUri('dcterms:creator'), Literal('The Creator'))
self.assertXmlEquals('''<rdf:RDF %(xmlns_rdf)s %(xmlns_rdfs)s %(xmlns_dcterms)s>
<rdf:Description rdf:about="http://example.org/item">
<dcterms:creator>The Creator</dcterms:creator>
<rdfs:label xml:lang="en">The Item</rdfs:label>
</rdf:Description>
</rdf:RDF>''' % namespaces, Triples2RdfXml().asRdfXml(graph))
def testAnonymousBNode(self):
graph = Graph()
graph.addTriple('http://example.org/item', curieToUri('dcterms:creator'), BNode('_:1'))
graph.addTriple('_:1', curieToUri('rdfs:label'), Literal('The Creator', lang='en'))
self.assertXmlEquals('''<rdf:RDF %(xmlns_rdf)s %(xmlns_rdfs)s %(xmlns_dcterms)s>
<rdf:Description rdf:about="http://example.org/item">
<dcterms:creator>
<rdf:Description>
<rdfs:label xml:lang="en">The Creator</rdfs:label>
</rdf:Description>
</dcterms:creator>
</rdf:Description>
</rdf:RDF>''' % namespaces, Triples2RdfXml().asRdfXml(graph))
def testGraphContains(self):
g = Graph()
g.addTriple('u:ri', 'p:redicate', 'obj')
self.assertTrue(('u:ri', 'p:redicate', 'obj') in g)
self.assertTrue(('u:ri', 'p:redicate', None) in g)
self.assertTrue(('u:ri', None, 'obj') in g)
self.assertTrue(('u:ri', None, None) in g)
self.assertTrue((None, 'p:redicate', 'obj') in g)
self.assertTrue((None, 'p:redicate', None) in g)
self.assertTrue((None, None, 'obj') in g)
self.assertTrue((None, None, None) in g)
self.assertFalse(('U:ri', 'p:redicate', 'obj') in g)
self.assertFalse(('u:ri', 'P:redicate', 'obj') in g)
self.assertFalse(('u:ri', 'p:redicate', 'Obj') in g)
# Same for Uri/Literal/BNode
g = Graph()
g.addTriple('u:ri', 'p:redicate', Uri('o:bj'))
self.assertTrue(('u:ri', 'p:redicate', Uri('o:bj')) in g)
self.assertTrue((None, 'p:redicate', Uri('o:bj')) in g)
self.assertTrue(('u:ri', 'p:redicate', None) in g)
self.assertFalse(('u:ri', 'p:redicate', Uri('O:bj')) in g)
g = Graph()
g.addTriple('u:ri', 'p:redicate', BNode('_:42'))
self.assertTrue(('u:ri', 'p:redicate', BNode('_:42')) in g)
self.assertTrue((None, 'p:redicate', BNode('_:42')) in g)
self.assertTrue(('u:ri', 'p:redicate', None) in g)
self.assertFalse(('u:ri', 'p:redicate', BNode('_:666')) in g)
g = Graph()
g.addTriple('u:ri', 'p:redicate', Literal('obj', lang='en'))
self.assertTrue(('u:ri', 'p:redicate', Literal('obj', lang='en')) in g)
self.assertTrue((None, 'p:redicate', Literal('obj', lang='en')) in g)
self.assertTrue(('u:ri', 'p:redicate', None) in g)
self.assertFalse(('u:ri', 'p:redicate', Literal('Obj', lang='en')) in g)
# Also false, different lang or datatype (**no guessing**, inspect triples & compare yourself if thats your game).
self.assertFalse(('u:ri', 'p:redicate', Literal('obj', lang='nl')) in g)
self.assertFalse(('u:ri', 'p:redicate', Literal('obj')) in g)
def testRdfDescriptionPerUri(self):
graph = Graph()
graph.addTriple('http://example.org/item', curieToUri('dcterms:creator'), Uri('http://example.org/theCreator'))
graph.addTriple('http://example.org/theCreator', curieToUri('rdfs:label'), Literal('The Creator'))
graph.addTriple('http://example.org/somethingEntirelyDifferent', curieToUri('dcterms:title'), Literal('Something Entirely Different'))
self.assertXmlEquals('''<rdf:RDF %(xmlns_rdf)s %(xmlns_rdfs)s %(xmlns_dcterms)s>
<rdf:Description rdf:about="http://example.org/item">
<dcterms:creator rdf:resource="http://example.org/theCreator"/>
</rdf:Description>
<rdf:Description rdf:about="http://example.org/somethingEntirelyDifferent">
<dcterms:title>Something Entirely Different</dcterms:title>
</rdf:Description>
<rdf:Description rdf:about="http://example.org/theCreator">
<rdfs:label>The Creator</rdfs:label>
</rdf:Description>
</rdf:RDF>''' % namespaces, Triples2RdfXml().asRdfXml(graph))
def testGraph(self):
g = Graph()
g.addTriple('x', 'y', 'z')
g.addTriple(subject='a', predicate='b', object='c')
self.assertEquals([('x', 'y', 'z'), ('a', 'b', 'c')], list(g.triples()))
# 'x', 'y', 'z' --> # 000
g.addTriple('x', 'y', '3') # 001
g.addTriple('x', '2', 'z') # 010
g.addTriple('x', '2', '3') # 011
g.addTriple('1', 'y', 'z') # 100
g.addTriple('1', 'y', '3') # 101
g.addTriple('1', '2', 'z') # 110
g.addTriple('1', '2', '3') # 111
self.assertEquals([('x', 'y', 'z')], sorted(g.triples('x', 'y', 'z')))
self.assertEquals([('x', 'y', 'z')], sorted(g.triples(subject='x', predicate='y', object='z')))
self.assertEquals([('x', 'y', '3'), ('x', 'y', 'z')], sorted(g.triples('x', 'y', None)))
self.assertEquals([('x', '2', 'z'), ('x', 'y', 'z')], sorted(g.triples('x', None, 'z')))
self.assertEquals([('x', '2', '3'), ('x', '2', 'z'), ('x', 'y', '3'), ('x', 'y', 'z')], sorted(g.triples('x', None, None)))
self.assertEquals([('1', 'y', 'z'), ('x', 'y', 'z')], sorted(g.triples(None, 'y', 'z')))
self.assertEquals([('1', 'y', '3'), ('1', 'y', 'z'), ('x', 'y', '3'), ('x', 'y', 'z')], sorted(g.triples(None, 'y', None)))
self.assertEquals([('1', '2', 'z'), ('1', 'y', 'z'), ('x', '2', 'z'), ('x', 'y', 'z')], sorted(g.triples(None, None, 'z')))
self.assertEquals(sorted(g.triples()), sorted(g.triples(None, None, None)))
self.assertEquals(9, len(list(g.triples())))
# objects()
self.assertEquals(['3', 'z'], sorted(g.objects(subject='x', predicate='y')))
def testGraphFindLabel(self):
g = Graph()
g.addTriple('u:ri', curieToUri('rdfs:label'), Literal('rdfsLabel'))
self.assertEquals(Literal('rdfsLabel'), g.findLabel(uri='u:ri'))
g.addTriple('u:ri', curieToUri('rdfs:label'), Literal('rdfsLabelEN', lang='en'))
self.assertEquals(Literal('rdfsLabelEN', lang='en'), g.findLabel(uri='u:ri'))
g.addTriple('u:ri', curieToUri('skos:prefLabel'), Literal('skosPrefLabel'))
self.assertEquals(Literal('rdfsLabelEN', lang='en'), g.findLabel(uri='u:ri'))
g.addTriple('u:ri', curieToUri('skos:prefLabel'), Literal('skosPrefLabelNL', lang='nl'))
self.assertEquals(Literal('skosPrefLabelNL', lang='nl'), g.findLabel(uri='u:ri'))
g.addTriple('u:ri', curieToUri('rdfs:label'), Literal('rdfsLabelNL', lang='nl'))
self.assertEquals(Literal('rdfsLabelNL', lang='nl'), g.findLabel(uri='u:ri'))
g.addTriple('u:ri', curieToUri('foaf:name'), Literal('foafNameNL', lang='nl'))
self.assertEquals(Literal('foafNameNL', lang='nl'), g.findLabel(uri='u:ri'))
def testAnnotation(self):
graph = Graph()
body = BNode()
uri = 'uri:a'
targetUri = 'uri:target'
graph.addTriple(subject=uri, predicate=curieToUri('oa:hasBody'), object=body)
graph.addTriple(subject=uri, predicate=curieToUri('rdf:type'), object=Uri(curieToUri('oa:Annotation')))
graph.addTriple(subject=uri, predicate=curieToUri('oa:annotatedBy'), object=Uri("uri:testAnnotation"))
graph.addTriple(subject=uri, predicate=curieToUri('oa:motivatedBy'), object=Uri("uri:testAnnotation:motive"))
graph.addTriple(subject=uri, predicate=curieToUri('oa:hasTarget'), object=Uri(targetUri))
graph.addTriple(subject=body, predicate=curieToUri('dcterms:title'), object=Literal("Title"))
graph.addTriple(subject=body, predicate=curieToUri('dcterms:source'), object=Uri("uri:source"))
graph.addTriple(subject=Uri("uri:source"), predicate=curieToUri('rdfs:label'), object=Literal("A Source"))
self.assertXmlEquals('''<rdf:RDF %(xmlns_dcterms)s %(xmlns_oa)s %(xmlns_rdf)s %(xmlns_rdfs)s>
<oa:Annotation rdf:about="uri:a">
<oa:annotatedBy rdf:resource="uri:testAnnotation"/>
<oa:hasBody>
<rdf:Description>
<dcterms:source>
<rdf:Description rdf:about="uri:source">
<rdfs:label>A Source</rdfs:label>
</rdf:Description>
</dcterms:source>
<dcterms:title>Title</dcterms:title>
</rdf:Description>
</oa:hasBody>
<oa:hasTarget rdf:resource="uri:target"/>
<oa:motivatedBy rdf:resource="uri:testAnnotation:motive"/>
</oa:Annotation>
</rdf:RDF>''' % namespaces, Triples2RdfXml(inlineDescriptions=True).asRdfXml(graph))
self.assertXmlEquals('''<rdf:RDF %(xmlns_dcterms)s %(xmlns_oa)s %(xmlns_rdf)s %(xmlns_rdfs)s>
<oa:Annotation rdf:about="uri:a">
<oa:annotatedBy rdf:resource="uri:testAnnotation"/>
<oa:hasBody>
<rdf:Description>
<dcterms:source rdf:resource="uri:source"/>
<dcterms:title>Title</dcterms:title>
</rdf:Description>
</oa:hasBody>
<oa:hasTarget rdf:resource="uri:target"/>
<oa:motivatedBy rdf:resource="uri:testAnnotation:motive"/>
</oa:Annotation>
<rdf:Description rdf:about="uri:source">
<rdfs:label>A Source</rdfs:label>
</rdf:Description>
</rdf:RDF>''' % namespaces, Triples2RdfXml().asRdfXml(graph))