Python Pip 换源

注：更新pip  

C:\Program Files\python\python.exe -m pip install --upgrade pip

1.临时换源

(1) 阿里源

pip3 install markdown -i https://mirrors.aliyun.com/pypi/simple/

(2) 清华源

pip3 install markdown -i https://pypi.tuna.tsinghua.edu.cn/simple

(3) 腾讯源

pip3 install markdown -i http://mirrors.cloud.tencent.com/pypi/simple

(4) 豆瓣源

pip3 install markdown -i http://pypi.douban.com/simple/

2.永久换源

(1) 阿里源

pip config set global.index-url https://mirrors.aliyun.com/pypi/simple/

(2) 清华源

pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple

(3) 腾讯源

pip config set global.index-url http://mirrors.cloud.tencent.com/pypi/simple

(4) 豆瓣源

pip config set global.index-url http://pypi.douban.com/simple/

3.换回原来源

pip config unset global.index-url