脚本安装Python3.7.3

川长思鸟来 2022-01-23 09:53 204阅读 0赞

""" Centos7 自动编译安装Python3.7.3 命令: python37 pip37 """
    import os
    # 可执行的平台
    os_platform = ["Centos7"]
    
    def color_red(context):
        """红色"""
        return '\033[1;31;40m{}\033[0m'.format(context)
    
    def color_green(context):
        """绿色"""
        return '\033[1;32;40m{}\033[0m'.format(context)
    
    def os_install_dependence(os_name="Centos7"):
        if "Centos7" in os_platform:
            print(color_green("正在安装依赖包"))
            res = os.system("yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make libffi-devel zlib* openssl-devel -y")
            return res 
            # 如果执行成功，会返回0
        else:
            msg = color_red("脚本在不支持 {} 中Python的安装".format(os_name))
            print(msg)
            return -1
    
    def os_install_python():
        print(color_green("正在解压Python.tgz..."))
        package_name = "Python-3.7.3"
        cmd_unzip = 'tar xf ' + package_name+ '.tgz'
        res_unzip = os.system(cmd_unzip)
        if res_unzip !=  0:
            print("Python-3.7.3.tgz 解压失败")
            return -1
        cmd_python = 'cd '+ package_name+ ' && ./configure --prefix=/usr/local/python37 && make && make install'
        print(color_green("正在编译安装python3.7.3..."))
        res_python = os.system(cmd_python)
    
        # 注释掉，这里和预期不符
        #if cmd_python != 0:
        # print("编译安装失败，请检查是否缺少依赖")
        # return -1
      
    def check_isinstall():
        print(color_green("正在检查环境..."))
        return os.path.exists("/usr/local/python37")
    
    def create_link():
        print(color_green("正在创建软链接..."))
        cmd = "ln -s /usr/local/python37/bin/python3 /usr/bin/python37"
        os.system(cmd)
        cmd = "ln -s /usr/local/python37/bin/pip3 /usr/bin/pip37"
        os.system(cmd)
    
    def clear_trash():
        print(color_green("正在清理残余垃圾..."))
        cmd = "rm -rf ./Python-3.7.3"
        os.system(cmd)
    
    def main():
        if check_isinstall():
            print("/usr/local/python37 已存在")
            return
        else:
            res_dep = os_install_dependence()
            res_python= os_install_python()
        create_link()
        clear_trash()
    
    if __name__ == "__main__":
        main()