一、为什么要切换本地源
当前,在本地通过pip安装一些python软件包时,通常会出现一系列网络连接错误。 实际上,问题的原因是简单地本地连接到files.pythonhosted.org,并且安装未成功
(venv ) d: )工作区(flask _ parentpipinstallflask
Collecting flask
retrying (retry (总=4,connect=None,read=None,redirect=None, status=None ) ) ) afterconnectionbrokenby ' SSS ' eofoccurredinviolationofprotocol (SSL.c :719 ) )、)和3:
caf 13540 e2cdec 85276964 ff8f43 BBB1D3 b/flask-1.1.1-py2.py3-none-any.whl
retrying (retry (总=3,connect=None,read=None,redirect=None, status=None ) ) ) afterconnectionbrokenby ' SSS ' eofoccurredinviolationofprotocol (SSL.c :719 ) )、)和3:
caf 13540 e2cdec 85276964 ff8f43 BBB1D3 b/flask-1.1.1-py2.py3-none-any.whl
retrying (retry (总=2,connect=None,read=None,redirect=None, status=None ) ) ) afterconnectionbrokenby ' SSS ' eofoccurredinviolationofprotocol (SSL.c :719 ) )、)和3:
caf 13540 e2cdec 85276964 ff8f43 BBB1D3 b/flask-1.1.1-py2.py3-none-any.whl
retrying (retry (总=1,connect=None,read=None,redirect=None, status=None ) ) ) afterconnectionbrokenby ' SSS ' eofoccurredinviolationofprotocol (SSL.c :719 ) )、)和3:
caf 13540 e2cdec 85276964 ff8f43 BBB1D3 b/flask-1.1.1-py2.py3-none-any.whl
retrying (retry (总=0,connect=None,read=None,redirect=None, status=None ) ) ) afterconnectionbrokenby ' SSS ' eofoccurredinviolationofprotocol (SSL.c :719 ) )、)和3:
caf 13540 e2cdec 85276964 ff8f43 BBB1D3 b/flask-1.1.1-py2.py3-none-any.whl
couldnotinstallpackagesduetoanenvironmenterror : httpsconnectionpool (host=' files.python hosted.org ), 端口=443 ) : maxretriesexceededwithurl :/packages/9b/93/628509 b8d 5d c 749656 a 9641 F4 caf 13540 e2cdec 85276964 ff8f43 b4flask-1.1-py2.py3-none-any.whl (causedbyslerror )
二、目前国内当地来源
目前国内常用的几个源地址是蚂蚁云和豆瓣酱,也可以自己构建pip酱
Alibaba云(阿里巴巴云) https://mirrors.a liyun.com/pypi/simple /中国科技大学https://pypi.mirrors.ustc.edu.cn/simple /豆瓣3359pypi.dypi.douban清华大学https://pypi.tuna.Tsinghua.edu.cn/simple /中国科学技术大学https://pypi.mirrors.ustc.edu.cn/simple
三.临时修改本地源
1、安装软件包时直接指定源地址
指定的源地址是http协议,必须通过添加- -可信-主机来添加信任选项
pipinstallflask-I http://mirrors.a liyun.com/pypi/simple//--可信-主机mirrors.a liyun.com
指定的源地址是https协议
pipinstallflask-I http://mirrors.a liyun.com/pypi/simple//--可信-主机mirrors.a liyun.com
四.一劳永逸
将pip.ini文件添加到windows用户主目录和pip文件夹中
[global]
索引- URL=https://mirrors.a liyun.com/pypi/simple /
或者用命令设定
pipconfigsetglobal.index-URL https://mirrors.a liyun.com/pypi/simple /
配置完成后,默认情况下将直接访问和下载mirrors.aliyun.com
西虹市给冰山带来了高速化,我们给pip带来了高速化。