ganalysis.py 文件源码

def adjacency_iter(self):
        """Return an iterator of (node, adjacency dict) tuples for all nodes.

        This is the fastest way to look at every edge.
        For directed graphs, only outgoing adjacencies are included.

        Returns
        -------
        adj_iter : iterator
           An iterator of (node, adjacency dictionary) for all nodes in
           the graph.

        See Also
        --------
        adjacency_list

        Examples
        --------
        >>> G = nx.Graph()   # or DiGraph, MultiGraph, MultiDiGraph, etc
        >>> G.add_path([0,1,2,3])
        >>> [(n,nbrdict) for n,nbrdict in G.adjacency_iter()]
        [(0, {1: {}}), (1, {0: {}, 2: {}}), (2, {1: {}, 3: {}}), (3, {2: {}})]

        """
        return iter(self.adj.items())