CentOS 7 安装 Python 3.7

# yum install gcc openssl-devel bzip2-devel libffi-devel
# cd /usr/local/src
# wget https://www.python.org/ftp/python/3.7.3/Python-3.7.3.tgz
# tar xzf Python-3.7.3.tgz
# cd Python-3.7.3
# ./configure --enable-optimizations
# make altinstall

# 安装
# yum install python-virtualenv  
# 配置
# cd /backup/scripts
# virtualenv --python=/usr/local/bin/python3.7 env3
# 切换
# cd env3
# source bin/activate
# 安装模块
# pip3 install pandas
# 退出 env3
# deactivate