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fix(task-poller): 捕获 CancelledError 避免关闭时产生 traceback

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视频任务轮询在应用关闭时，Redis 异步操作被取消会抛出
CancelledError，由于其继承自 BaseException 而非 Exception，
原有的异常处理无法捕获，导致 APScheduler 打印完整 traceback。
拆分 poll_pending_tasks 为入口方法和 _do_poll 内部方法，
在入口层捕获 CancelledError 后静默返回。
This commit is contained in:
fawney19
2026-02-27 18:23:07 +08:00
parent d2450cbdc1
commit 4855e7cbca
1 changed files with 7 additions and 0 deletions
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7
src/services/task/task_poller.py
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@@ -103,6 +103,13 @@ class TaskPollerService:
scheduler.remove_job(self.adapter.job_id) scheduler.remove_job(self.adapter.job_id)
async def poll_pending_tasks(self) -> None: async def poll_pending_tasks(self) -> None:
try:
await self._do_poll()
except asyncio.CancelledError:
logger.debug("[{}] poll_pending_tasks cancelled (shutdown?)", self.adapter.task_type)
return
async def _do_poll(self) -> None:
async with self._lock: async with self._lock:
token = await self._acquire_redis_lock() token = await self._acquire_redis_lock()
if token is None: if token is None: