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  • PIP install package SSLError

    问题

    使用pip安装package:

    $ pip install <package>
    

    报错:

    WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:1125)'))': xxx/yyy
    WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:1125)'))': xxx/yyy
    WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:1125)'))': xxx/yyy
    WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:1125)'))': xxx/yyy
    WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:1125)'))': xxx/yyy
    Could not fetch URL https://pypi.org/xxx/yyy : There was a problem confirming the ssl certificate: … (Caused by SSLError(SSLEOFError(8, 'EOF occurred in violation of protocol (_ssl.c:1125)')))
    

    原因

    PIP版本太高。降低 pip 版本可以解决问题。
    我的 pip 版本是21.0.1,报错。降级为 20.2.3,问题解决。
    (备注:我尝试过折腾 SSL,然而没用)

    解决方法

    我的python是在conda环境中的,可以按如下方法降级 pip:
    $ conda install pip==20.2.3
    需要确认是否降级:

    The following packages will be DOWNGRADED:
    
      pip                                 21.0.1-py38h06a4308_0 --> 20.2.3-py38h06a4308_0
    
    Proceed ([y]/n)? 
    

    输入 y 再回车即可。

    如果是直接用系统环境中的python,可以这样:
    python -m pip install pip==20.2.3

    降级完成后,再用pip install <package>就可以正常安装了。

    参考资料

    https://v2as.com/article/9ac87b61-b9d2-4f2a-9198-87f183cf0ea1

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  • 原文地址:https://www.cnblogs.com/xia-weiwen/p/14734309.html
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