custom_eval.py 文件源码

def customEval(ctx, part):
    """
    Rewrite triple patterns to get super-classes
    """

    if part.name == 'BGP':

        # rewrite triples
        triples = []
        for t in part.triples:
            if t[1] == rdflib.RDF.type:
                bnode = rdflib.BNode()
                triples.append((t[0], t[1], bnode))
                triples.append((bnode, inferredSubClass, t[2]))
            else:
                triples.append(t)

        # delegate to normal evalBGP
        return evalBGP(ctx, triples)

    raise NotImplementedError()