Centos 7 安装python 版本

帅帅男孩

#/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)