第一个自动化运维程序

 1 # coding = utf-8
 2 import os
 3 if os.getuid()== 0:
 4     pass
 5 else:
 6     print '当前用户不是root用户，请以root用户执行脚本'
 7     sys.exit(1)
 8 version = raw_input('请输入你想安装的Python版本（2.7/3.6）')
 9 if version == '2.7':
10     url = 'https://www.python.org/ftp/python/2.7.15/python-2.7.15.amd64-pdb.zip'
11 elif version == '3.6':
12     url = 'https://www.python.org/ftp/python/3.6.5/python-3.6.5-embed-amd64.zip'
13 else:
14     print '你输入的版本号有误，请输入2.7或3.6'
15     sys.exit(1)
16 
17 cmd = 'wget '+url 
18 res = os.system(cmd)
19 if res != 0:
20     print '下载源码失败，请检查网络'
21     sys.exit(1)
22 if version == '2.7':
23     package_name = 'Python-2.7.15'
24 else :
25     package_name = 'Python-3.6.5'
26 cmd = 'tar xf '+package_name+'.tgz'
27 res = os.system(cmd)
28 if res != 0:
29     os.system('rm '+package_name+'.tgz')
30     print '解压源码包失败。请重新下载'
31     sys.exit(1)
32 cmd = 'cd '+package_name+' && ./configure --prefix=/usr/local/python && make install'
33 res = os.system(cmd)
34 if res != 0:
35     print '编译Python源码失败，请检查是否缺少依赖库'
36     sys.exit(1)