graph.py 文件源码

def encode_edges(edges, nodes):
    """Encode data with dictionary

    Args:
        edges (np.ndarray): np array of the form [node1, node2].
        nodes (np.array): list of unique nodes

    Returns:
        np.ndarray: relabeled edges

    Examples:
        >>> import numpy as np
        >>> edges = np.array([['A', 'B'], ['A', 'C']])
        >>> nodes = np.array(['C', 'B', 'A'])
        >>> print(encode_edges(edges, nodes))
        [[2 1]
         [2 0]]
    """
    sidx = nodes.argsort()
    relabeled_edges = sidx[np.searchsorted(nodes, edges, sorter=sidx)]
    return relabeled_edges