案例需求

使用shell脚本安装Python环境

应用场景

服务器业务初始化

解决问题

避免人工多次安装，节省人工成本
避免人工错误，提高工作效率

脚本思路

1、获得软件包
2、源码安装
3、升级pip命令

案例代码

#!/bin/bash
#Description: python install from zutuanxue(http://www.zutuanxue.com)
#Release: python 3.7.6
#Auther: zutuanxue
#Email: 
#OS: Centos 8.X


#variables
python_download_url=https://www.python.org/ftp/python/3.7.6/Python-3.7.6.tgz
python_source_pkg=Python-3.7.6.tgz
python_code=Python-3.7.6


#functions
#安装前准备,安装必要依赖包
per_install () {
    if  ( ! yum -y install gcc-* openssl-* libffi-devel sqlite-devel &>/dev/null );then
    #if  ( ! yum -y install gcc-* openssl-* libffi-devel sqlite-devel ) &>/dev/null ;then
    echo -e "\033[31m network connection error,exit... \033[0m"
    exit 130
fi
}

#安装python
install () {
    #下载软件包
    wget $python_download_url
    #解压软件包
    if [ -f $python_source_pkg ];then
        tar xf $python_source_pkg
        [ $? -ne 0 ]&&echo "$python_source_pkg unzip fail"&&exit 1
        cd $python_code
        #配置,开启ssl支持https
        if ./configure --with-openssl=/usr/bin/openssl 1>/dev/null;then
            #mv Modules/Setup Modules/Setup.bak
            cp -f ../Setup Modules/
            if make 1>/dev/null;then
            #if make ;then
                if make install 1>/dev/null;then
                #if make install ;then
                    #if pip3 install --upgrade pip 1>/dev/null;then
                    #安装完成后更新pip
                    if pip3 install --upgrade pip;then
                        echo "python install success"
                    else
                        echo "pip3 install fail"
                        exit 1
                    fi
                else
                    echo "python install fail"
                    exit 1
                fi
            else
                echo "python make fail"
                exit 1
            fi
        else
            echo "python configure fail"
            exit
        fi
    else
        echo "not found $python_source_pkg"
        exit 1
    fi
}

    

per_install;install
rm -rf $python_code
rm -rf python_source_pkg