backup_ver3.py

#!/usr/bin/python
# Filename: backup_ver3.py

import os
import time

# 1. The files and directories to be backed up are specified in a list.
source = ['/Users/air/Desktop/opencv_test','/Users/air/Desktop/python test']
# If you are using  Windows, use source = [r'C:\Documents','D:\Work'] or something like that

# 2. The backup must be stored in a main backup directory
target_dir = '/Users/air/Desktop/python test/backup/'

# 3. The files are backed up into a zip file
# 4. The current day is the name of the subdirectory in the main directory
today = target_dir + time.strftime('%Y%m%d')
# The current time is the name of the zip archive
now = time.strftime('%H%M%S')

# Take a comment from the user to create the name of the zip file
comment = raw_input('Enter a comment --> ')
if len(comment) == 0: # check if a comment was entered
   target = today + os.sep + now + '.zip'
else:
   target = today + os.sep + now + '__' +
        comment.replace(' ', '__') + '.zip'

# Create the subdirectory if it isn't already there
if not os.path.exists(today):
   os.mkdir(today) # make directory
   print 'Successfully created directory', today

# 5. We use the zip command (in Unix/Linux) to put the files in a zip archive
zip_command = "zip -qr '%s' %s" % (target, ' '.join(source))

# Run the backup
if os.system(zip_command) == 0:
   print 'Successful backup to', target
else:
   print 'Backup FAILED'