gpickle.py 文件源码

def to_bytes(graph, protocol=HIGHEST_PROTOCOL):
    """Converts a graph to bytes with pickle. Note that the pickle module has some incompatibilities between Python
    2 and 3. To export a universally importable pickle, choose 0, 1, or 2.

    :param BELGraph graph: A BEL network
    :param int protocol: Pickling protocol to use
    :return: Pickled bytes representing the graph
    :rtype: bytes

    .. seealso:: https://docs.python.org/3.6/library/pickle.html#data-stream-format
    """
    raise_for_not_bel(graph)
    return dumps(graph, protocol=protocol)