Python安装技巧
Centos7 python2.7和yum完全卸载及重装
https://www.cnblogs.com/wangjunjiehome/p/9239005.html
Centos7安装pip或pip3
https://www.cnblogs.com/lemon-le/p/11835521.html
windows/linux环境python3出现pip is configured with locations that require TLS/SSL, however the..不可用的解决方法
https://blog.csdn.net/wbj_code_life/article/details/97887891
centos7安装卸载python3,pip3
https://blog.csdn.net/u012551524/article/details/105137154
pip安装源和虚拟环境的搭建
https://www.cnblogs.com/zhangguosheng1121/p/11197224.html
卸载python3并重新安装
https://www.cnblogs.com/liangmingshen/p/9515355.html
豆瓣源安装第三方库模块
1 pip install -r ./req.txt moviepy -i http://pypi.douban.com/simple --trusted-host pypi.douban.com 2 3 -i https://pypi.tuna.tsinghua.edu.cn/simple 4 5 -i http://pypi.douban.com/simple --trusted-host pypi.douban.com
