pip [SSL: CERTIFICATE_VERIFY_FAILED]

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本文介绍了解决在使用pip安装Python包时遇到的SSL证书验证失败问题。主要原因是主机‘pypi.org’未被信任导致连接超时。解决办法包括添加受信任主机参数和关闭可能干扰SSL连接的应用如Fiddler。

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问题:

Could not fetch URL https://pypi.org/simple/pypi-org/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/pypi-org/ (Caused by SSLError(SSLError(1, u'[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:661)'),)) - skipping

原因:
host=’pypi.org’ 不信任
解决:
添加参数–trusted-host pypi.org

PS:
关闭掉fiddler

Check if you have fiddler opened and close it. Fiddler try break SSL and this breaks pip, when I close fiddler pip works for me. When I close my fiddler everything goes ok

参考:https://blog.youkuaiyun.com/zsyoung/article/details/80140388