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  • 安装python3

    #! /usr/bin/env python
    # -*- coding:UTF-8 -*-
    
    import os
    import sys
    
    if os.getuid() == 0:
    	pass
    else:
    	print "当前用户不是root用户,请以root用户执行脚本"
    	sys.exit(1)
    
    url = "https://npm.taobao.org/mirrors/python/3.6.6/Python-3.6.6.tgz"
    
    print "开始安装依赖关系"
    cmd1 = "yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make -y"
    res1 = os.system(cmd1)
    if res1 != 0:
    	print "安装依赖包失败,请确认系统是否为Centos,是否联网"
    	sys.exit(1)
    
    print "开始下载python安装包"
    print "国内网络直接下载可能会很慢"
    cmd2 = "wget " + url
    res2 = os.system(cmd2)
    if res2 != 0:
    	print "下载源码包失败,请检查当前网络。"
    	sys.exit(1)
    
    
    package_name = "Python-3.6.6"
    
    print "开始解压缩"
    cmd3 = "tar xf " + package_name + ".tgz"
    res3 = os.system(cmd3)
    if res3 != 0:
    	os.system("rm " + package_name + ".tgz")
    	print "解压源码包失败,请重新运行脚本下载源码包"
    	sys.exit(1)
    
    print "开始编译安装"
    cmd4 = "cd " + package_name + " && ./configure --prefix=/usr/local/python3 && make &&make install"
    res4 = os.system(cmd4)
    if res4 != 0:
    	print "编译python源码失败,请检查是否缺少依赖库"
    	sys.exit(1)
    
    print "正在完善最后的设置"
    cmd5 = "ln -s /usr/local/python3/bin/python3 /usr/bin/python3"
    os.system(cmd5)
    
    cmd6 = "ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3"
    os.system(cmd6)
    
    cmd7 = "pip3 install --upgrade pip"
    os.system(cmd7)
    
    print "安装完成,您可以使用python3和pip3 测试新安装的python"
    print "python3的安装路径为/usr/local/python3/,与python2.7共存"
    
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  • 原文地址:https://www.cnblogs.com/Applogize/p/14734404.html
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