test_turtle_serialize.py 文件源码

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]