【备忘】centos 一键安装python3.7

若想安装更高版本的python，可替换3.7.0

#!/bin/bash

#####       CentOS 7一键安装Python 3        #####
#####       作者：xiaoz.me                 #####
#####       更新时间：2018-07-20         #####

#导入环境变量
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
export PATH

#安装依赖
function rely(){
    yum -y install wget gcc gcc-c++ libffi-devel zlib-devel
}

#安装Python 3.7函数
function install_py37(){
    #调用安装依赖函数
    rely
    #下载源码
    wget http://soft.xiaoz.org/python/Python-3.7.0.tar.xz
    #解压
    tar -xvJf Python-3.7.0.tar.xz
    cd Python-3.7.0
    #编译安装
    ./configure --prefix=/usr/local/python3 --enable-optimizations
    make -j4 && make -j4 install
    #清理工作
    cd ..
    rm -rf Python-*
    #设置软连接
    ln -s /usr/local/python3/bin/python3.7 /usr/bin/python3
    ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3
    echo "------------------------------------------------"
    echo '| 恭喜您，Python 3安装完成！        |' 
    echo "------------------------------------------------"
}

###卸载Python 3
function uninstall(){
    rm -rf /usr/local/python3
    rm -rf /usr/bin/python3
    rm -rf /usr/bin/pip3
    echo "------------------------------------------------"
    echo '| Python 3已卸载！                 |' 
    echo "------------------------------------------------"
}

echo "------------------------------------------------------------"
echo 'CentOS 7一键安装Python 3脚本 ^_^ 请选择需要执行的操作：'
echo "1) 安装Python 3.7.0"
echo "2) 卸载Python 3"
echo "q) 退出！"
echo "------------------------------------------------------------"
read -p ":" istype

case $istype in
    1)
        install_py37
    ;;
    2)
        uninstall
    ;;
    'q')
        exit
    ;;
    *)
        echo '参数错误！'
        exit
    ;;
esac