workflow.py 文件源码

def dump(cls, obj, file_obj):
        """Serialize object ``obj`` to open pickle file.

        .. versionadded:: 1.8

        :param obj: Python object to serialize
        :type obj: Python object
        :param file_obj: file handle
        :type file_obj: ``file`` object

        """

        return pickle.dump(obj, file_obj, protocol=-1)


# Set up default manager and register built-in serializers