def __create_action(self, main_root):
		action_dir = os.path.join(main_root, 'action')
		safe_mkdir(action_dir)

		actions = set()
		for unit, param in self.__task.data['workflow'].items():
			actions.add(param['type'])
		self.__action_mgr.create_actions(actions, action_dir)
def __init__(
        self,
        dirpath: Optional[Union[str, Path]] = None,
        filename: Optional[str] = None,
    ) -> None:
        self.dirpath = dirpath
        self.filename = filename

        self._output_file: Optional[TextIO] = None
        self._write_stream: Optional[Callable] = None
        self._local_rank: Optional[int] = None
        self._log_dir: Optional[str] = None
        self._stage: Optional[str] = None