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domain contrib
title pip install Network Timeout / SSL ErrorFix
verification metadata-normalized
created 2026-07-06
source unknown

---{"title": "pip install Network Timeout / SSL ErrorFix", "domain": "devops", "tags": ["pip", "network", "SSL", "timeout", "proxy"]}---

背景

pip install 失败,报 timeoutSSL: CERTIFICATE_VERIFY_FAILED、或 Connection broken 错误。

根因

PyPI 默认源在国外,网络不稳定或被墙。pip 默认超时 15 秒,大包下载不够。

修复

# pip install Network Timeout / SSL ErrorFix
pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple

# 2. 加长超时(临时)
pip install --default-timeout=120 <包名>

# 3. 关闭 SSL 验证(紧急,不推荐生产)
pip install --trusted-host pypi.org --trusted-host files.pythonhosted.org <包名>

# 4. 从缓存重建(如果网断了但缓存有部分)
pip install --no-cache-dir <包名>

验证

pip install requests -v  # 应正常完成