common.py 文件源码

def patch_socket():
    """ Bind inet_ntop and inet_pton function to socket module.

    socket.inet_pton and socket.inet_ntop are available only on most Unix platforms.
    Here we use custom function if there are no inet_pton or inet_ntop defined.

    Ref: https://docs.python.org/2/library/socket.html#socket.inet_pton
    """
    if not hasattr(socket, 'inet_pton'):
        socket.inet_pton = inet_pton

    if not hasattr(socket, 'inet_ntop'):
        socket.inet_ntop = inet_ntop