Python3更换国内软件镜像源

1.检查pip.conf文件是否存在

cd ~
mkdir .pip
ls ~/.pip

2.直接编辑pip.conf

vi ~/.pip/pip.conf 
[global]  
timeout = 6000  
index-url = http://pypi.douban.com/simple/  
  
[install]  
use-mirrors = true  
mirrors = http://pypi.douban.com/simple/  
trusted-host = pypi.douban.com