#coding=utf-8

import subprocess

import os,sys

def exe_cmd(cmd):

    p = subprocess.Popen(cmd, shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)

    while True:

        next_line = p.stdout.readline()

        return_line = next_line.decode("utf-8", "ignore")

        if return_line == '' and p.poll() != None:

            break

        print(return_line)

    stdout, stderr = p.communicate()

    if p.returncode != 0:

        return False

    return True

def main():

    print ("python 3.7.2 一键安装开始！")

    backinfo = exe_cmd('ping -c 1 -w 1 www.baidu.com')

    if backinfo == False:

        print ("网络检测失败程序退出，请重新检测网络环境!")

        sys.exit()

    print ("网络连接正常!")

    yum_jc = exe_cmd('yum list')

    if yum_jc == False:

        print ("yum 不可用，请先手动配置yum安装!")

        sys.exit()

    print ('yum安装检测可用!')

    exe_cmd("yum install gcc -y")

    exe_cmd("yum install openssl-devel bizp2-devel expat-devel gdbm-devel readline-devel sqlite-devel libffi-devel -y")

    exe_cmd("wget http://npm.taobao.org/mirrors/python/3.7.2/Python-3.7.2.tgz")

    exe_cmd("tar -zxvf Python-3.7.2.tgz")

    exe_cmd("mv Python-3.7.2 /usr/local/")

    exe_cmd("rm -rf Python-3.7.2.tgz")

    os.chdir('/usr/local/Python-3.7.2')

    exe_cmd("./configure")

    exe_cmd("make")

    exe_cmd("make install")

    print ("程序执行完成！输入python3 查看效果。")

if __name__ == '__main__':

    main()