Python GraphPatternの例

コード例 #1

ファイル: Test5_3.py プロジェクト: trishnaguha/rdfextras

   xmlns:foaf="http://xmlns.com/foaf/0.1/"
   xmlns:ns = "http://example.org/ns#"
>
        <foaf:Person>
                <foaf:name>Alice</foaf:name>
                <foaf:homepage rdf:resource="http://work.example.org"/>	
        </foaf:Person>
        <foaf:Person>
                <foaf:name>Bob</foaf:name>
                <foaf:mbox rdf:resource="mailto:[email protected]"/>
        </foaf:Person>
</rdf:RDF>
"""

select      = ["?name", "?mbox", "?hpage"]
pattern     = GraphPattern([("?x", ns_foaf["name"],"?name")])
#optional    = None
optional    = [
        GraphPattern([("?x",ns_foaf["mbox"],"?mbox")]),
        GraphPattern([("?x",ns_foaf["homepage"],"?hpage")])
]
tripleStore = None
expected = '''
  ?name:  Alice
  ?mbox:  None
  ?hpage: http://work.example.org

  ?name:  Bob
  ?mbox:  mailto:[email protected]
  ?hpage: None
'''

コード例 #2

   xmlns:dc0="http://purl.org/dc/elements/1.0/"
   xmlns:dc="http://purl.org/dc/elements/1.1/"
   xmlns:foaf="http://xmlns.com/foaf/0.1/"
   xmlns:ns = "http://example.org/ns#"
   xmlns:book = "http://example.org/book"
>
        <rdf:Description rdf:ID="book2">
                <dc0:title>SPARQL Query Language Tutorial</dc0:title>
                <dc0:creator>Alice</dc0:creator>
        </rdf:Description>
        <rdf:Description rdf:ID="book1">
                <dc:title>SPARQL Protocol Tutorial</dc:title>
                <dc:creator>Bob</dc:creator>
        </rdf:Description>
</rdf:RDF>
"""

select = ["?x", "?y"]
patt1 = GraphPattern([("?book", ns_dc0["title"], "?x")])
patt2 = GraphPattern([("?book", ns_dc["title"], "?y")])
pattern = [patt1, patt2]
optional = []
tripleStore = None
expected = '''
  ?x: SPARQL Query Language Tutorial
  ?y: None

  ?x: None
  ?y: SPARQL Protocol Tutorial
'''

コード例 #3

>
        <rdf:Description rdf:ID="book1">
                <dc:title>SPARQL Tutorial</dc:title>
                <ns:price rdf:datatype="http://www.w3.org/2001/XMLSchema#integer">42</ns:price>
        </rdf:Description>
        <rdf:Description rdf:ID="book2">
                <dc:title>The Semantic Web</dc:title>
                <ns:price rdf:datatype="http://www.w3.org/2001/XMLSchema#integer">23</ns:price>
        </rdf:Description>
        <rdf:Description rdf:ID="book3">
                <dc:title>The Semantic Web Old</dc:title>
                <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#date">2000-03-12</dc:date>
        </rdf:Description>
        <rdf:Description rdf:ID="book4">
                <dc:title>The Semantic Web New</dc:title>
                <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#date">2005-03-02</dc:date>
        </rdf:Description>
</rdf:RDF>
"""

select = ["?title", "?price"]
pattern = GraphPattern([("?x", ns_dc["title"], "?title"),
                        ("?x", ns_ns["price"], "?price")])
pattern.addConstraint(lt("?price", 30))
optional = []
tripleStore = None
expected = '''
  ?title: The Semantic Web
  ?price: 23
'''

コード例 #4

ファイル: Test3_1_4.py プロジェクト: trishnaguha/rdfextras

   xmlns:dc   ="http://purl.org/dc/elements/1.1/"
   xmlns:foaf ="http://xmlns.com/foaf/0.1/"
   xmlns:ns   ="http://example.org/ns#"
   xmlns:dt   ="http://example.org/datatype#"
>
        <rdf:Description>
                <ns:p rdf:datatype="http://www.w3.org/2001/XMLSchema#integer">42</ns:p>
                <ns:p rdf:datatype="http://example.org/datatype#specialDatatype">abc</ns:p>
                <ns:p>2005-02-27</ns:p>
                <ns:p xml:lang="en">cat</ns:p>
        </rdf:Description>
</rdf:RDF>
"""
from testSPARQL import ns_rdf
from testSPARQL import ns_rdfs
from testSPARQL import ns_dc
from testSPARQL import ns_foaf
from testSPARQL import ns_ns

from rdflib import Literal
import datetime
from rdfextras.sparql.graph import GraphPattern

select = ["?v"]
pattern = GraphPattern([("?v", "?p", Literal("cat", lang="en"))])
optional = []
tripleStore = None
expected = '''
?v : (some Bnode id)
'''

コード例 #5

ファイル: Test5_2.py プロジェクト: RDFLib/rdfextras

   xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
   xmlns:dc="http://purl.org/dc/elements/1.1/"
   xmlns:foaf="http://xmlns.com/foaf/0.1/"
   xmlns:ns = "http://example.org/ns#"
   xmlns:book = "http://example.org/book"
>
        <rdf:Description rdf:ID="book1">
                <dc:title>SPARQL Tutorial</dc:title>
                <ns:price rdf:datatype="http://www.w3.org/2001/XMLSchema#integer">42</ns:price>
        </rdf:Description>
        <rdf:Description rdf:ID="book2">
                <dc:title>The Semantic Web</dc:title>
                <ns:price rdf:datatype="http://www.w3.org/2001/XMLSchema#integer">23</ns:price>
        </rdf:Description>
</rdf:RDF>
"""

select = ["?title", "?price"]
pattern = GraphPattern([("?x", ns_dc["title"], "?title")])
optional = GraphPattern([("?x", ns_ns["price"], "?price")])
optional.addConstraint(lt("?price", 30))
tripleStore = None
expected = """
  ?title: SPARQL Tutorial
  ?price: None

  ?title: The Semantic Web
  ?price: 23
"""

コード例 #6

        </rdf:Description>
        <rdf:Description>
                <foaf:name>Bob</foaf:name>
                <foaf:mbox>[email protected]</foaf:mbox>
        </rdf:Description>
</rdf:RDF>
"""

from testSPARQL import ns_rdf
from testSPARQL import ns_rdfs
from testSPARQL import ns_dc
from testSPARQL import ns_foaf
from testSPARQL import ns_ns
from testSPARQL import ns_book

from rdflib import Literal
from rdfextras.sparql.graph import GraphPattern

from rdfextras.sparql.operators import isURI

select = ["?name", "?mbox"]
pattern = GraphPattern([("?x", ns_foaf["name"], "?name"),
                        ("?x", ns_foaf["mbox"], "?mbox")])
pattern.addConstraint(isURI("?mbox"))
optional = []
tripleStore = None
expected = '''
  ?name: Alice
  ?mbox: mailto:[email protected]
'''

コード例 #7

ファイル: Test11_3.py プロジェクト: RDFLib/rdfextras

</rdf:RDF>
"""



from testSPARQL import ns_rdf
from testSPARQL import ns_rdfs
from testSPARQL import ns_dc
from testSPARQL import ns_foaf
from testSPARQL import ns_ns
from testSPARQL import ns_book

from rdflib import Literal
from rdfextras.sparql.graph import GraphPattern

from rdfextras.sparql.operators import isURI


select      = ["?name", "?mbox"]
pattern     = GraphPattern([("?x", ns_foaf["name"],"?name"),("?x",ns_foaf["mbox"],"?mbox")])
pattern.addConstraint(isURI("?mbox"))
optional    = []
tripleStore = None
expected = '''
  ?name: Alice
  ?mbox: mailto:[email protected]
'''

コード例 #8

ファイル: Test1.py プロジェクト: trishnaguha/rdfextras

from rdfextras.sparql.graph import GraphPattern


# Careful to keep the <?xml declaration at the very beginning, otherwise the parser will fail...
rdfData ="""<?xml version="1.0" encoding="UTF-8"?>
<rdf:RDF
   xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
   xmlns:dc="http://purl.org/dc/elements/1.1/"
   xmlns:foaf="http://xmlns.com/foaf/0.1/"
>
        <rdf:Description>
                <foaf:name>Johny Lee Outlaw</foaf:name>	
                <foaf:mbox rdf:resource="mailto:[email protected]"/>
        </rdf:Description>
</rdf:RDF>
"""

select      = ["?mbox","?junk"]
pattern     = GraphPattern([("?x",ns_foaf["name"],"Johny Lee Outlaw"),("?x",ns_foaf["mbox"],"?mbox")])
optional    = None
tripleStore = None
expected = '''
?mbox: mailto:[email protected]
?junk: None
'''

コード例 #9

ファイル: Test3_2.py プロジェクト: RDFLib/rdfextras

   xmlns:book = "http://example.org/book"
>
        <rdf:Description rdf:ID="book1">
                <dc:title>SPARQL Tutorial</dc:title>
                <ns:price rdf:datatype="http://www.w3.org/2001/XMLSchema#integer">42</ns:price>
        </rdf:Description>
        <rdf:Description rdf:ID="book2">
                <dc:title>The Semantic Web</dc:title>
                <ns:price rdf:datatype="http://www.w3.org/2001/XMLSchema#integer">23</ns:price>
        </rdf:Description>
        <rdf:Description rdf:ID="book3">
                <dc:title>The Semantic Web Old</dc:title>
                <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#date">2000-03-12</dc:date>
        </rdf:Description>
        <rdf:Description rdf:ID="book4">
                <dc:title>The Semantic Web New</dc:title>
                <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#date">2005-03-02</dc:date>
        </rdf:Description>
</rdf:RDF>
"""

select = ["?title", "?price"]
pattern = GraphPattern([("?x", ns_dc["title"], "?title"), ("?x", ns_ns["price"], "?price")])
pattern.addConstraint(lt("?price", 30))
optional = []
tripleStore = None
expected = """
  ?title: The Semantic Web
  ?price: 23
"""

コード例 #10

        </rdf:Description>
        <rdf:Description>
                <foaf:name>Bob</foaf:name>
                <foaf:mbox rdf:resource="mailto:[email protected]"/>
        </rdf:Description>
</rdf:RDF>
"""

from testSPARQL import ns_rdf
from testSPARQL import ns_rdfs
from testSPARQL import ns_dc
from testSPARQL import ns_foaf
from testSPARQL import ns_ns
from testSPARQL import ns_book

from rdflib import Literal

from rdfextras.sparql.graph import GraphPattern

select = ["?x", "?name"]
pattern = GraphPattern([("?x", ns_foaf["name"], "?name")])
optional = []
tripleStore = None
expected = '''
  ?x:   (some bnode)
  ?name: Alice

  ?x:   (some bnode)
  ?name: Bob
'''

コード例 #11

ファイル: Test2_5.py プロジェクト: trishnaguha/rdfextras

<rdf:RDF
   xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
   xmlns:dc="http://purl.org/dc/elements/1.1/"
   xmlns:foaf="http://xmlns.com/foaf/0.1/"
   xmlns:ns = "http://example.org/ns#"
>
        <rdf:Description>
                <foaf:name>Johny Lee Outlaw</foaf:name>
                <foaf:mbox rdf:resource="mailto:[email protected]"/>
        </rdf:Description>
        <rdf:Description>
                <foaf:name>Peter Goodguy</foaf:name>
                <foaf:mbox rdf:resource="mailto:[email protected]"/>
        </rdf:Description>
</rdf:RDF>
"""

select = ["?name", "?mbox"]
pattern = GraphPattern([("?x", ns_foaf["name"], "?name"),
                        ("?x", ns_foaf["mbox"], "?mbox")])
optional = []
tripleStore = None
expected = '''
  ?name: Johny Lee Outlaw
  ?mbox: mailto:[email protected]

  ?name: Peter Goodguy
  ?mbox: mailto:[email protected]
'''

コード例 #12

   xmlns:foaf ="http://xmlns.com/foaf/0.1/"
   xmlns:ns   ="http://example.org/ns#"
   xmlns:dt   ="http://example.org/datatype#"
>
        <rdf:Description>
                <ns:p rdf:datatype="http://www.w3.org/2001/XMLSchema#integer">42</ns:p>
                <ns:p rdf:datatype="http://example.org/datatype#specialDatatype">abc</ns:p>
                <ns:p>2005-02-27</ns:p>
                <ns:p xml:lang="en">cat</ns:p>
        </rdf:Description>
</rdf:RDF>
"""

from testSPARQL import ns_rdf
from testSPARQL import ns_rdfs
from testSPARQL import ns_dc
from testSPARQL import ns_foaf
from testSPARQL import ns_ns

from rdflib import Literal
import datetime
from rdfextras.sparql.graph import GraphPattern

select = ["?v"]
pattern = GraphPattern([("?v", "?p", 42)])
optional = []
tripleStore = None
expected = '''
?v : (some bnode id)
'''

コード例 #13

                <ns:p rdf:datatype="http://example.org/datatype#specialDatatype">abc</ns:p>
                <ns:p>2005-02-27</ns:p>
                <ns:p xml:lang="en">cat</ns:p>
        </rdf:Description>
</rdf:RDF>


"""

from testSPARQL import ns_rdf
from testSPARQL import ns_rdfs
from testSPARQL import ns_dc
from testSPARQL import ns_foaf
from testSPARQL import ns_ns

from rdflib import Literal
import datetime
from rdfextras.sparql.graph import GraphPattern

select      = ["?v"]
#pattern     = GraphPattern([("?v","?p",Literal("abc",datatype="http://example.org/datatype#specialDatatype"))])
pattern     = GraphPattern([("?v","?p","abc")])
optional    = []
tripleStore = None
expected = '''
EMPTY
'''

コード例 #14

   xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
   xmlns:dc="http://purl.org/dc/elements/1.1/"
   xmlns:foaf="http://xmlns.com/foaf/0.1/"
   xmlns:ns = "http://example.org/ns#"
   xmlns:book = "http://example.org/book"
>
        <rdf:Description rdf:ID="book1">
                <dc:title>SPARQL Tutorial</dc:title>
                <ns:price rdf:datatype="http://www.w3.org/2001/XMLSchema#integer">42</ns:price>
        </rdf:Description>
        <rdf:Description rdf:ID="book2">
                <dc:title>The Semantic Web</dc:title>
                <ns:price rdf:datatype="http://www.w3.org/2001/XMLSchema#integer">23</ns:price>
        </rdf:Description>
</rdf:RDF>
"""

select = ["?title", "?price"]
pattern = GraphPattern([("?x", ns_dc["title"], "?title")])
optional = GraphPattern([("?x", ns_ns["price"], "?price")])
optional.addConstraint(lt("?price", 30))
tripleStore = None
expected = '''
  ?title: SPARQL Tutorial
  ?price: None

  ?title: The Semantic Web
  ?price: 23
'''

コード例 #15

ファイル: Test3_1_3.py プロジェクト: trishnaguha/rdfextras

rdfData = """<?xml version="1.0" encoding="UTF-8"?>
<rdf:RDF
   xmlns:rdfs ="http://www.w3.org/2000/01/rdf-schema#"
   xmlns:rdf  ="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
   xmlns:dc   ="http://purl.org/dc/elements/1.1/"
   xmlns:foaf ="http://xmlns.com/foaf/0.1/"
   xmlns:ns   ="http://example.org/ns#"
   xmlns:dt   ="http://example.org/datatype#"
>
        <rdf:Description>
                <ns:p rdf:datatype="http://www.w3.org/2001/XMLSchema#integer">42</ns:p>
                <ns:p rdf:datatype="http://example.org/datatype#specialDatatype">abc</ns:p>
                <ns:p>2005-02-27</ns:p>
                <ns:p xml:lang="en">cat</ns:p>
        </rdf:Description>
</rdf:RDF>
"""

from rdflib import Literal
import datetime
from rdfextras.sparql.graph import GraphPattern

select = ["?v"]
pattern = GraphPattern([("?v", "?p", "cat")])
optional = []
tripleStore = None
expected = '''
EMPTY
'''