python runtime_error ai_generated true

asyncio异常：睡眠被中断

asyncio.exceptions.CancelledError: sleep interrupted

ID: python/asyncio-sleep-interrupt

其他格式: JSON · Markdown 中文 · English
80%修复率
87%置信度
0证据数
2025-05-15首次发现

版本兼容性

版本状态引入弃用备注
3.7 active — — —
3.8 active — — —

根因分析

在asyncio.sleep()期间任务被取消，这是一个常见的取消点。

English

A task is cancelled during asyncio.sleep(), which is a common cancellation point.

generic

解决方案

  1. 95% 成功率 
    try: await asyncio.sleep(10) except asyncio.CancelledError: raise
  2. 80% 成功率 
    await asyncio.shield(asyncio.sleep(10))

无效尝试

常见但无效的做法:

  1. 90% 失败

    Blocks the event loop and defeats the purpose of asyncio.

  2. 70% 失败

    May lead to resource leaks and inconsistent state.