Python实现linux下文件备份

#!/usr/bin/python
#Filename: backup_ver2.py

import os
import time

source = ['/home/user/public_html', '/home/angelo/Pictures']

target_dir = '/home/backup/'

today = target_dir +time.strftime('%Y%m%d')

now = time.strftime('%H%M%S')

comment = raw_input('Enter a comment->')

if len(comment) == 0:
target = today + os.sep + now + '.zip'
else:
target = today + os.sep + now + '_' +\
comment.replace(' ', '_') + '.zip'

if not os.path.exists(today):
os.mkdir(today)
print 'Successfully created directory', today

zip_command = "zip -qr '%s' %s" %(target, ' '.join(source))

if os.system(zip_command) == 0:
print 'Successful backup to', target
else:
print 'Backup Failed!'