安装Python3

install Python3

#!/bin/bash
echo "正在安装相关组件"
yum install -y openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel sqlite-devel gcc-c++ gcc openssl-devel

echo "下载安装包"
wget https://www.python.org/ftp/python/3.6.5/Python-3.6.5.tgz

echo "正在解压安装包"
tar -xf Python-3.6.5.tgz -C /root/  && cd /root/Python-3.6.5/

echo "添加ssl支持"
cat >> /root/Python-3.6.5/Modules/Setup.dist <<"EOF"
_socket socketmodule.c

SSL=/usr/local/ssl
_ssl _ssl.c \
-DUSE_SSL -I$(SSL)/include -I$(SSL)/include/openssl \
-L$(SSL)/lib -lssl -lcrypto
EOF

echo "正在编译安装Python"
./configure --enable-optimizations --enable-shared  --prefix=/usr/local/python && make && make install
cd /root

echo "删除安装包"
rm -rf /root/Python-3.6.5.tgz && rm -rf /root/Python-3.6.5

echo "正在添加环境变量"
echo "export PATH=/usr/local/python/bin:$PATH">> ~/.bash_profile
source ~/.bash_profile

Reference

http://blog.51cto.com/13160495/2093863
https://stackoverflow.com/questions/41489439/pip3-installs-inside-virtual-environment-with-python3-6-failing-due-to-ssl-modul