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from rdflib import Graph, URIRef, BNode, RDF, Literal, Namespace
from rdflib.collection import Collection
from rdflib.plugins.serializers.turtle import TurtleSerializer
from six import b
def testTurtleFinalDot():
"""
https://github.com/RDFLib/rdflib/issues/282
"""
g = Graph()
u = URIRef("http://ex.org/bob.")
g.bind("ns", "http://ex.org/")
g.add( (u, u, u) )
s=g.serialize(format='turtle')
assert b("ns:bob.") not in s
def testTurtleBoolList():
subject = URIRef("http://localhost/user")
predicate = URIRef("http://localhost/vocab#hasList")
g1 = Graph()
list_item1 = BNode()
list_item2 = BNode()
list_item3 = BNode()
g1.add((subject, predicate, list_item1))
g1.add((list_item1, RDF.first, Literal(True)))
g1.add((list_item1, RDF.rest, list_item2))
g1.add((list_item2, RDF.first, Literal(False)))
g1.add((list_item2, RDF.rest, list_item3))
g1.add((list_item3, RDF.first, Literal(True)))
g1.add((list_item3, RDF.rest, RDF.nil))
ttl_dump = g1.serialize(format="turtle")
g2 = Graph()
g2.parse(data=ttl_dump, format="turtle")
list_id = g2.value(subject, predicate)
bool_list = [i.toPython() for i in Collection(g2, list_id)]
assert bool_list == [True, False, True]
def testUnicodeEscaping():
turtle_string = " <http://example.com/A> <http://example.com/B> <http://example.com/aaa\u00F3bbbb> . <http://example.com/A> <http://example.com/C> <http://example.com/zzz\U00100000zzz> . <http://example.com/A> <http://example.com/D> <http://example.com/aaa\u00f3bbb> ."
g = Graph()
# shouldn't get an exception
g.parse(data=turtle_string, format="turtle")
triples = sorted(list(g))
assert len(triples) == 3
print(triples)
# Now check that was decoded into python values properly
assert triples[0][2] == URIRef(u'http://example.com/aaa\xf3bbbb')
assert triples[1][2] == URIRef(u'http://example.com/zzz\U00100000zzz')
assert triples[2][2] == URIRef(u'http://example.com/aaa\xf3bbb')
def test_turtle_valid_list():
NS = Namespace('http://example.org/ns/')
g = Graph()
g.parse(data="""
@prefix : <{0}> .
:s :p (""), (0), (false) .
""".format(NS), format='turtle')
turtle_serializer = TurtleSerializer(g)
for o in g.objects(NS.s, NS.p):
assert turtle_serializer.isValidList(o)
if __name__ == "__main__":
import nose, sys
nose.main(defaultTest=sys.argv[0])
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