Ignoring indexes: \https://pypi.python.org/simple
Collecting setuptools
Ubuntu
apt-get install libssl-dev
In addition it is recommended to install the following.
apt-get install make build-essential libssl-dev zlib1g-dev libbz2-dev libsqlite3-dev
CentOS
yum install openssl-devel
In addition it is recommended to install the following.
yum install zlib-devel bzip2-devel sqlite sqlite-devel openssl-devel
'smtplib' has no attribute 'SMTP_SSL'
ssl导入失败需要去掉一些代码的注释
https://www.jianshu.com/p/f96b1efe37f4