rdflib@652d2e6 (original) (raw)

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`import logging

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`from warnings import warn

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`import random

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from rdflib.namespace import Namespace, RDF, RDFS, SKOS

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from rdflib import plugin, exceptions, query

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from rdflib.namespace import Namespace, RDF

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from rdflib import plugin, exceptions, query, namespace

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`import rdflib.term

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`from rdflib.term import BNode, Node, URIRef, Literal, Genid

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`from rdflib.paths import Path

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` >>> g.add((statementId, RDF.type, RDF.Statement))

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` >>> g.add((statementId, RDF.subject,

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` ... URIRef("http://rdflib.net/store/ConjunctiveGraph")))

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g.add((statementId, RDF.predicate, RDFS.label))

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g.add((statementId, RDF.predicate, namespace.RDFS.label))

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` >>> g.add((statementId, RDF.object, Literal("Conjunctive Graph")))

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` >>> print(len(g))

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` 4

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` >>> g1 = Graph()

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` >>> g2 = Graph()

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` >>> u = URIRef("http://example.com/foo")

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g1.add([u, RDFS.label, Literal("foo")])

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g1.add([u, RDFS.label, Literal("bar")])

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g2.add([u, RDFS.label, Literal("foo")])

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g2.add([u, RDFS.label, Literal("bing")])

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g1.add([u, namespace.RDFS.label, Literal("foo")])

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g1.add([u, namespace.RDFS.label, Literal("bar")])

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g2.add([u, namespace.RDFS.label, Literal("foo")])

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g2.add([u, namespace.RDFS.label, Literal("bing")])

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` >>> len(g1 + g2) # adds bing as label

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` 3

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` >>> len(g1 - g2) # removes foo

`@@ -192,17 +192,17 @@

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` >>> g1.add((stmt1, RDF.type, RDF.Statement))

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` >>> g1.add((stmt1, RDF.subject,

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` ... URIRef('http://rdflib.net/store/ConjunctiveGraph')))

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g1.add((stmt1, RDF.predicate, RDFS.label))

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g1.add((stmt1, RDF.predicate, namespace.RDFS.label))

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` >>> g1.add((stmt1, RDF.object, Literal('Conjunctive Graph')))

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` >>> g2.add((stmt2, RDF.type, RDF.Statement))

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` >>> g2.add((stmt2, RDF.subject,

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` ... URIRef('http://rdflib.net/store/ConjunctiveGraph')))

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` >>> g2.add((stmt2, RDF.predicate, RDF.type))

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g2.add((stmt2, RDF.object, RDFS.Class))

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g2.add((stmt2, RDF.object, namespace.RDFS.Class))

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` >>> g3.add((stmt3, RDF.type, RDF.Statement))

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` >>> g3.add((stmt3, RDF.subject,

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` ... URIRef('http://rdflib.net/store/ConjunctiveGraph')))

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g3.add((stmt3, RDF.predicate, RDFS.comment))

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g3.add((stmt3, RDF.predicate, namespace.RDFS.comment))

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` >>> g3.add((stmt3, RDF.object, Literal(

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` ... 'The top-level aggregate graph - The sum ' +

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` ... 'of all named graphs within a Store')))

`@@ -425,12 +425,12 @@ def getitem(self, item):

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` >>> import rdflib

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` >>> g = rdflib.Graph()

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g.add((rdflib.URIRef("urn:bob"), rdflib.RDFS.label, rdflib.Literal("Bob")))

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g.add((rdflib.URIRef("urn:bob"), namespace.RDFS.label, rdflib.Literal("Bob")))

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` >>> list(g[rdflib.URIRef("urn:bob")]) # all triples about bob

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` [(rdflib.term.URIRef('http://www.w3.org/2000/01/rdf-schema#label'), rdflib.term.Literal('Bob'))]

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list(g[:rdflib.RDFS.label]) # all label triples

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list(g[:namespace.RDFS.label]) # all label triples

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` [(rdflib.term.URIRef('urn:bob'), rdflib.term.Literal('Bob'))]

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` >>> list(g[::rdflib.Literal("Bob")]) # all triples with bob as object

`@@ -710,16 +710,21 @@ def label(self, subject, default=""):

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` Return default if no label exists or any label if multiple exist.

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` """

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warn(

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DeprecationWarning(

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"graph.label() is deprecated and will be removed in rdflib 6.0.0."

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)

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)

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`if subject is None:

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`return default

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return self.value(subject, RDFS.label, default=default, any=True)

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return self.value(subject, namespace.RDFS.label, default=default, any=True)

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`def preferredLabel(

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`self,

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`subject,

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`lang=None,

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`default=None,

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labelProperties=(SKOS.prefLabel, RDFS.label),

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labelProperties=(namespace.SKOS.prefLabel, namespace.RDFS.label),

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` ):

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`"""

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` Find the preferred label for subject.

`@@ -732,23 +737,22 @@ def preferredLabel(

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` Return a list of (labelProp, label) pairs, where labelProp is either

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` skos:prefLabel or rdfs:label.

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from rdflib import ConjunctiveGraph, URIRef, RDFS, Literal

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from rdflib.namespace import SKOS

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from rdflib import ConjunctiveGraph, URIRef, Literal, namespace

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` >>> from pprint import pprint

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` >>> g = ConjunctiveGraph()

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` >>> u = URIRef("http://example.com/foo")

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g.add([u, RDFS.label, Literal("foo")])

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g.add([u, RDFS.label, Literal("bar")])

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g.add([u, namespace.RDFS.label, Literal("foo")])

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g.add([u, namespace.RDFS.label, Literal("bar")])

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` >>> pprint(sorted(g.preferredLabel(u)))

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` [(rdflib.term.URIRef('http://www.w3.org/2000/01/rdf-schema#label'),

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` rdflib.term.Literal('bar')),

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` (rdflib.term.URIRef('http://www.w3.org/2000/01/rdf-schema#label'),

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` rdflib.term.Literal('foo'))]

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g.add([u, SKOS.prefLabel, Literal("bla")])

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g.add([u, namespace.SKOS.prefLabel, Literal("bla")])

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` >>> pprint(g.preferredLabel(u))

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` [(rdflib.term.URIRef('http://www.w3.org/2004/02/skos/core#prefLabel'),

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` rdflib.term.Literal('bla'))]

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g.add([u, SKOS.prefLabel, Literal("blubb", lang="en")])

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g.add([u, namespace.SKOS.prefLabel, Literal("blubb", lang="en")])

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` >>> sorted(g.preferredLabel(u)) #doctest: +NORMALIZE_WHITESPACE

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` [(rdflib.term.URIRef('http://www.w3.org/2004/02/skos/core#prefLabel'),

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` rdflib.term.Literal('bla')),

`@@ -761,7 +765,11 @@ def preferredLabel(

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` [(rdflib.term.URIRef('http://www.w3.org/2004/02/skos/core#prefLabel'),

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` rdflib.term.Literal('blubb', lang='en'))]

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` """

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-

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warn(

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DeprecationWarning(

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"graph.preferredLabel() is deprecated and will be removed in rdflib 6.0.0."

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)

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)

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`if default is None:

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`default = []

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`@@ -795,9 +803,14 @@ def comment(self, subject, default=""):

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` Return default if no comment exists

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` """

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warn(

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DeprecationWarning(

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"graph.comment() is deprecated and will be removed in rdflib 6.0.0."

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)

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)

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`if subject is None:

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`return default

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return self.value(subject, RDFS.comment, default=default, any=True)

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return self.value(subject, namespace.RDFS.comment, default=default, any=True)

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`def items(self, list):

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`"""Generator over all items in the resource specified by list

`@@ -826,9 +839,9 @@ def transitiveClosure(self, func, arg, seen=None):

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` >>> c=BNode("baz")

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` >>> g.add((a,RDF.first,RDF.type))

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` >>> g.add((a,RDF.rest,b))

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g.add((b,RDF.first,RDFS.label))

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g.add((b,RDF.first,namespace.RDFS.label))

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` >>> g.add((b,RDF.rest,c))

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g.add((c,RDF.first,RDFS.comment))

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g.add((c,RDF.first,namespace.RDFS.comment))

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` >>> g.add((c,RDF.rest,RDF.nil))

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` >>> def topList(node,g):

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` ... for s in g.subjects(RDF.rest, node):

`@@ -902,6 +915,11 @@ def seq(self, subject):

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` If yes, it returns a Seq class instance, None otherwise.

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` """

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warn(

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DeprecationWarning(

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"graph.seq() is deprecated and will be removed in rdflib 6.0.0."

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)

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)

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`if (subject, RDF.type, RDF.Seq) in self:

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`return Seq(self, subject)

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`else: