# 错误：由于 OSError 无法安装包：[Errno 13] 权限被拒绝：'/usr/local/lib/python3.10/site-packages/...'

- **ID:** `python/pip-permission-denied-system-site-packages`
- **领域:** python
- **类别:** system_error
- **验证级别:** ai_generated
- **修复率:** 80%

## 根因

pip 试图安装到系统级的 site-packages 目录，但没有足够的写入权限。这通常发生在未使用 sudo 运行 pip 或目录属于 root 用户时。

## 版本兼容性

| 版本 | 状态 | 引入 | 弃用 |
|------|------|------|------|
| 3.7 | active | — | — |
| 3.8 | active | — | — |
| 3.9 | active | — | — |
| 3.10 | active | — | — |
| 3.11 | active | — | — |

## 解决方案

1. **** (95% 成功率)
   ```
   Install to user site-packages: pip install --user <package>.
   ```
2. **** (98% 成功率)
   ```
   Create and use a virtual environment: python -m venv myenv && source myenv/bin/activate && pip install <package>.
   ```

## 无效尝试

- **** — Using sudo can install packages as root, causing permission issues later and potentially breaking the system Python environment. (70% 失败率)
- **** — Creates security risks and may still fail if the directory is immutable or on a read-only filesystem. (85% 失败率)