zmq 自动绑定socket

def auto_bind(socket):

    """

    auto bind zmq socket

    :param socket: socket instance

    :return: zmq socket address

    """

    if os.name == 'nt':  # for Windows

        socket.bind_to_random_port('tcp://127.0.0.1')

    else:

        # Get the location for tmp file for sockets

        try:

            tmp_dir = os.environ['ZEROMQ_SOCK_TMP_DIR']

            if not os.path.exists(tmp_dir):

                raise ValueError('This directory for sockets ({}) does not seems to exist.'.format(tmp_dir))

            tmp_dir = os.path.join(tmp_dir, str(uuid.uuid1())[:8])

        except KeyError:

            tmp_dir = '*'

        socket.bind('ipc://{}'.format(tmp_dir))

    return socket.getsockopt(zmq.LAST_ENDPOINT).decode('ascii')