简明python教程

#!/usr/bin/env python # Filename: backup_ver4.py import os import time # 1. The files and directories to be backed up are specified in a list. source=['/home/swaroop/byte','/home/swaroop/bin'] # If you are using Windows, use source=[r'C:\Documents',r'D:\Work'] or something like that # 2. The backup must be stored in a main backup directory target_dir='/mnt/e/backup/' #Remember to change this to what you will be using # 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' # Notice the backslash! # 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'