PIP安裝第三方庫報錯SSL: CERTIFICATE_VERIFY_FAILED

今天在安裝一個第三方庫時報錯：

如下錯誤

pip install --upgrade baostock
 
Could not fetch URL https://pypi.org/simple/baostock/: There was a problem confi
 
rming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max r
 
etries exceeded with url: /simple/baostock/ (Caused by SSLError(SSLCertVerificat
 
ionError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self si
gned certificate in certificate chain (_ssl.c:1045)'))) - skipping

當(dāng)前python版本是3.7，網(wǎng)上查找說是python高版本需要驗證ssl，可以添加--trusted-host domain來解決

于是趕緊嘗試一下

pip install --trusted-host pypi.org --upgrade baostock

又報如下錯誤：

Could not install packages due to an EnvironmentError: HTTPSConnectionPool(host=
 
'files.pythonhosted.org', port=443): Max retries exceeded with url: /packages/57
 
/f8/e909079851f6ea6685bb63ea143c66a0f4141fc3ce17e728ec908819ed54/baostock-0.8.5-
 
py3-none-any.whl (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFIC
ATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certifi
cate chain (_ssl.c:1045)')))

原來是另一個域名files.pythonhosted.org也是https的，也需要指定為trusted-host才可以

問題是同時指定兩個域名為trusted-host該怎么寫呢？

網(wǎng)上找了半天沒找到，經(jīng)過自己一番摸索，發(fā)現(xiàn)如下的寫法可以

解決問題

pip install --trusted-host pypi.org --trusted-host files.pythonhosted.org  --upgrade  baostock

總結(jié)

如果是兩個以上的域名以此類推，貢獻(xiàn)給大家。

希望能給大家一個參考，也希望大家多多支持腳本之家。

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