primitives.py 文件源码

def copy_node(graph, node_id):
    """Copy node.

    Create a copy of a node in a graph. A new id for the copy is
    generated by regraph.primitives.unique_node_id.

    Parameters
    ----------
    graph : networkx.(Di)Graph
    node_id : hashable, node to copy.

    Returns
    -------
    new_name
        Id of the copy node.

    """
    new_name = unique_node_id(graph, node_id)
    add_node(graph, new_name, graph.node[node_id])
    return new_name