ashb commented on code in PR #23944:
URL: https://github.com/apache/airflow/pull/23944#discussion_r1850494139
##########
airflow/executors/local_executor.py:
##########
@@ -25,192 +25,139 @@
from __future__ import annotations
-import contextlib
import logging
+import multiprocessing
import os
import subprocess
-from abc import abstractmethod
-from multiprocessing import Manager, Process
-from queue import Empty
+from multiprocessing import Queue, SimpleQueue
from typing import TYPE_CHECKING, Any, Optional, Tuple
-from setproctitle import getproctitle, setproctitle
-
from airflow import settings
-from airflow.exceptions import AirflowException
from airflow.executors.base_executor import PARALLELISM, BaseExecutor
-from airflow.traces.tracer import Trace, add_span
+from airflow.traces.tracer import add_span
from airflow.utils.dag_parsing_context import _airflow_parsing_context_manager
-from airflow.utils.log.logging_mixin import LoggingMixin
from airflow.utils.state import TaskInstanceState
if TYPE_CHECKING:
- from multiprocessing.managers import SyncManager
- from queue import Queue
-
from airflow.executors.base_executor import CommandType
- from airflow.models.taskinstance import TaskInstanceStateType
from airflow.models.taskinstancekey import TaskInstanceKey
# This is a work to be executed by a worker.
# It can Key and Command - but it can also be None, None which is actually
a
# "Poison Pill" - worker seeing Poison Pill should take the pill and ...
die instantly.
- ExecutorWorkType = Tuple[Optional[TaskInstanceKey], Optional[CommandType]]
+ ExecutorWorkType = Optional[Tuple[TaskInstanceKey, CommandType]]
+ TaskInstanceStateType = Tuple[TaskInstanceKey, TaskInstanceState,
Optional[Exception]]
-class LocalWorkerBase(Process, LoggingMixin):
- """
- LocalWorkerBase implementation to run airflow commands.
+def _run_worker(logger_name: str, input: SimpleQueue[ExecutorWorkType],
output: Queue[TaskInstanceStateType]):
+ import signal
- Executes the given command and puts the result into a result queue when
done, terminating execution.
+ from setproctitle import setproctitle
Review Comment:
on OSX importing secproctitle module does some stuff with threads.
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