Python实现配置文件备份的方法

#!/usr/bin/python
#Author:gdlinjianying@qq.com
import os
import time
source = ['/etc/sysconfig/network-scripts', '/etc/sysconfig/network', '/etc/resolv.conf']
target_dir = '/opt/'
target = target_dir + time.strftime('%Y%m%d%H%M%S' + '.tar.gz')
tar_command = "tar -czvf '%s' %s" % (target, ' '.join(source))
if os.system(tar_command) == 0:
 print '
Result:'
 print 'Successful backup to', target
else:
 print '
Result:'
 print 'Backup failed'