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from rdflib import Graph, URIRef, BNode, RDF, RDFS, Literal, Namespace
from rdflib.collection import Collection
from rdflib.plugins.serializers.turtle import TurtleSerializer
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", encoding="latin-1")
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("http://example.com/aaa\xf3bbbb")
assert triples[1][2] == URIRef("http://example.com/zzz\U00100000zzz")
assert triples[2][2] == URIRef("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)
def test_turtle_namespace():
graph = Graph()
graph.bind("OBO", "http://purl.obolibrary.org/obo/")
graph.bind("GENO", "http://purl.obolibrary.org/obo/GENO_")
graph.bind("RO", "http://purl.obolibrary.org/obo/RO_")
graph.bind("RO_has_phenotype", "http://purl.obolibrary.org/obo/RO_0002200")
graph.bind("SERIAL", "urn:ISSN:")
graph.bind("EX", "http://example.org/")
graph.add(
(
URIRef("http://example.org"),
URIRef("http://purl.obolibrary.org/obo/RO_0002200"),
URIRef("http://purl.obolibrary.org/obo/GENO_0000385"),
)
)
graph.add(
(
URIRef("urn:ISSN:0167-6423"),
RDFS.label,
Literal("Science of Computer Programming"),
)
)
graph.add(
(
URIRef("http://example.org/name_with_(parenthesis)"),
RDFS.label,
Literal("URI with parenthesis"),
)
)
output = [
val
for val in graph.serialize(format="turtle").splitlines()
if not val.startswith("@prefix")
]
output = " ".join(output)
assert "RO_has_phenotype:" in output
assert "GENO:0000385" in output
assert "SERIAL:0167-6423" in output
assert "EX:name_with_(parenthesis)" in output
|
