# 警告：重试（Retry(total=4, connect=None, read=None, redirect=None, status=None)）在连接被 'ConnectTimeoutError' 中断后

- **ID:** `python/pip-network-timeout`
- **领域:** python
- **类别:** network_error
- **验证级别:** ai_generated
- **修复率:** 80%

## 根因

到 PyPI 的网络连接缓慢或被阻止，导致请求超时。

## 版本兼容性

| 版本 | 状态 | 引入 | 弃用 |
|------|------|------|------|
| 3.8 | active | — | — |
| 3.9 | active | — | — |
| 3.10 | active | — | — |
| 3.11 | active | — | — |
| 3.12 | active | — | — |

## 解决方案

1. **** (90% 成功率)
   ```
   pip install package --index-url https://mirrors.aliyun.com/pypi/simple/
   ```
2. **** (75% 成功率)
   ```
   pip install package --timeout 60
   ```

## 无效尝试

- **** — Timeout increase may help temporarily but does not address underlying network issues like firewall or proxy. (50% 失败率)
- **** — Disabling cache does not affect network connectivity; timeout still occurs. (90% 失败率)