__init__.py 文件源码

def create_rdf_list(graph, nodes):
    """Creates a RDF List with the ordering based on the nodes.
    Returns a blank node that functions in the object role for adding
    a triple.

    Args:
        graph(rdflib.Graph|rdflib.ConjuctiveGraph): Source graph
        nodes(list): Python list of nodes
    """
    if len(nodes) < 1:
        return rdflib.RDF.nil
    ordered_bnode = rdflib.BNode()
    graph.add((ordered_bnode, rdflib.RDF.first, nodes[0]))
    graph.add((ordered_bnode,
               rdflib.RDF.rest,
               create_rdf_list(graph, nodes[1:])))
    return ordered_bnode