centos安装python3 及配置pip
https://blog.csdn.net/slwhy/article/details/79930662
Django+CentOs7+uwsgi+nginx部署网站记录
http://www.xuyukun.com/python/django/djangocentos7uwsginginx%e9%83%a8%e7%bd%b2%e7%bd
%91%e7%ab%99%e8%ae%b0%e5%bd%95/
在安装python3.7的时候提示了报错 ModuleNotFoundError: No module named '_ctypes' 。发下没有安装pip3 然后收到安装，各种报错。
可以直接安装 yum -y install libffi-devel
然后在回到 python3.7的安装目录，重新make make install 会自动安装上pip 和 setuptools