Centos 7 安装python 版本

#/root/.pyenv/shims/python     #python 3.0

# -*- coding:UTF-8 -*-

import os

import sys

class Package():

    def install(self):

        cmd = 'yum -y install gcc* make cmake'

        if res != 0:

            print("依赖包安装失败程序即将停止")

            sys.exit(1)

if os.getuid() == 0:

    print("当前登录客户端ip地址如下")

    os.system("who|awk '{print $5}'|cut -c 2-14")

else:

    print("当前用户不是root用户,请使用root用户执行此脚本")

    sys.exit(1)

version = input("请输入你想安装的python 版本(2.7|3.5|3.7)")

if version == '2.7':

    url = 'https://www.python.org/ftp/python/2.7/Python-2.7.tgz'

    A = Package()

    A.install()

elif version == '3.5':

    url = 'https://www.python.org/ftp/python/3.5.2/Python-3.5.2rc1.tgz'

    A = Package()

    A.install()

elif version == '3.7':

    url = 'https://www.python.org/ftp/python/3.7.0/Python-3.7.0a4.tgz'

    A = Package()

    A.install()

else:

    print("您输入的版本号有误,请输入2.7和3.5或者3.7")

    sys.exit(1)

cmd = " wget " + url

res = os.system(cmd)

if res != 0:

    print("下载源码包失败，请检查网络")

    sys.exit(1)

if version == '2.7':

    package_name = "Python-2.7"

elif version == '3.5':

    package_name = "Python-3.5.2rc1"

else:

    package_name = "Python-3.7.0a4"

cmd = 'chmod a+x ' + package_name + '.tgz'

os.system(cmd)

cmd = 'tar -xf ' + package_name + '.tgz'

res = os.system(cmd)

if res != 0:

    os.system('rm ' + package_name + '.taz')

    print("解压源码包失败，请重新运行脚本下载")

    sys.exit(1)

cmd = 'cd ' + package_name + ' && ./configure --prefix=/usr/local/python && make && make install'

res = os.system(cmd)

if res != 0:

    print("编译python源码包失败,缺少依赖库")

    sys.exit(1)