python runtime_error ai_generated partial

失败: 超时 >300.0s pytest-timeout: test_heavy_import 在 300 秒后超时

Failed: Timeout >300.0s pytest-timeout: test_heavy_import timed out after 300 seconds

ID: python/pytest-timeout-test-exceeded

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80%修复率
84%置信度
0证据数
2024-12-03首次发现

版本兼容性

版本状态引入弃用备注
3.x active — — —

根因分析

测试超过了配置的超时时间（全局或单测试）。通常由阻塞的网络调用、等待锁的未关闭数据库事务，或永不终止的子进程引起。

English

A test exceeded the configured timeout (global or per-test). Often caused by a blocking network call, an unclosed DB transaction waiting on a lock, or a subprocess that never terminates.

generic

解决方案

  1. 90% 成功率 
    # pyproject.toml
[tool.pytest.ini_options]
addopts = "--timeout=60 --timeout-method=signal"

# per-test
@pytest.mark.timeout(10)
def test_api():
    ...
  2. 85% 成功率 
    pytest -o faulthandler_timeout=30 tests/test_heavy_import.py -s
# or run with py-spy
py-spy dump --pid <pid>

无效尝试

常见但无效的做法:

  1. 70% 失败

    Hides the real hang; CI now waits an hour per stuck test, and the underlying deadlock persists.

  2. 80% 失败

    CI will hang indefinitely on the same test, blocking the whole pipeline.