dfa.py 文件源码

def as_multidigraph(self):  # type: () -> nx.MultiDiGraph
        """
        Constructs a MultiDiGraph that is a copy of self.

        This is a bit of a hack, but allows some useful methods like .subgraph()
        to work correctly.
        """
        graph = nx.MultiDiGraph()
        graph.add_nodes_from(self.nodes(data=True))
        graph.add_edges_from(self.edges(data=True))
        return graph