__init__.py 文件源码

def deepcopy(obj, recursion=100000):
    """
    Perform a deep copy of obj using cPickle. Faster than copy.deepcopy()
    for large objects.

    @param obj: the object to copy
    @return: a deep copy of obj
    @param recursion: maximum recursion limit
    @type recursion: int
    """
    from csb.io import Pickle

    current = sys.getrecursionlimit()
    sys.setrecursionlimit(recursion)

    tmp = Pickle.dumps(obj, Pickle.HIGHEST_PROTOCOL)
    copy = Pickle.loads(tmp)

    sys.setrecursionlimit(current)
    return copy