Esempio n. 1
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 def evalObj(self,subj, queue, bindings, proof, query):
     from query import applySparqlQueries
     ns = self.store.newSymbol(SPARQL_NS)
     assert isinstance(subj, List)
     subj = [a for a in subj]
     assert len(subj) == 2
     source, query = subj
     F = self.store.newFormula()
     applySparqlQueries(source, query, F)
     if query.contains(obj=ns['ConstructQuery']):
         return F
     if query.contains(obj=ns['SelectQuery']) or query.contains(obj=ns['AskQuery']):
         return self.store.newLiteral(sparql_output(query, F))
Esempio n. 2
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 def evalObj(self,subj, queue, bindings, proof, query):
     from query import applySparqlQueries
     ns = self.store.newSymbol(SPARQL_NS)
     assert isinstance(subj, List)
     subj = [a for a in subj]
     assert len(subj) == 2
     source, query = subj
     F = self.store.newFormula()
     applySparqlQueries(source, query, F)
     if query.contains(obj=ns['ConstructQuery']):
         return F
     if query.contains(obj=ns['SelectQuery']) or query.contains(obj=ns['AskQuery']):
         return self.store.newLiteral(sparql_output(query, F))
Esempio n. 3
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def sparql_queryString(source, queryString):
    from query import applySparqlQueries
    store = source.store
    ns = store.newSymbol(SPARQL_NS)
    from sparql import sparql_parser
    import sparql2cwm
    convertor = sparql2cwm.FromSparql(store)
    import StringIO
    p = sparql_parser.N3Parser(StringIO.StringIO(queryString), sparql_parser.branches, convertor)
    q = p.parse(sparql_parser.start).close()
    F = store.newFormula()
    applySparqlQueries(source, q, F)
    F = F.close()
##    print 'result is ', F
##    print 'query is ', q.n3String()
    return outputString(q, F)
Esempio n. 4
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def sparql_queryString(source, queryString):
    from query import applySparqlQueries
    store = source.store
    ns = store.newSymbol(SPARQL_NS)
    from sparql import sparql_parser
    import sparql2cwm
    convertor = sparql2cwm.FromSparql(store)
    import StringIO
    p = sparql_parser.N3Parser(StringIO.StringIO(queryString), sparql_parser.branches, convertor)
    q = p.parse(sparql_parser.start).close()
    F = store.newFormula()
    applySparqlQueries(source, q, F)
    F = F.close()
##    print 'result is ', F
##    print 'query is ', q.n3String()
    return outputString(q, F)