nxgraph.py 文件源码

def get_shortest_path_length_with_limit(self, vertex1, vertex2, cutoff=None):
        """
        Parameters
        ----------
        vertex1:
        vertex2:
        cutoff:

        Returns
        -------
        NxGraph: Graph object

        Examples
        --------
        >>>
        """
        try:
            return nx.single_source_dijkstra(self._graph, source=vertex1, target=vertex2, cutoff=cutoff,
                                             weight=self._weight_field)
        except nx.NetworkXNoPath:
            return 0