job.py 文件源码

def unpickle(pickled_string):
    """Unpickles a string, but raises a unified UnpickleError in case anything
    fails.

    This is a helper method to not have to deal with the fact that `loads()`
    potentially raises many types of exceptions (e.g. AttributeError,
    IndexError, TypeError, KeyError, etc.)
    """
    try:
        obj = loads(pickled_string)
    except (StandardError, UnpicklingError):
        raise UnpickleError('Could not unpickle.', pickled_string)
    return obj