Python---backup directories and files

To make a backup of important files:

Ideas:

1. The files and directories that need to be backed up are specified by a list.
2. The backup should be saved in the primary backup directory.
3. File backup as a tar.gz file.
The name of the 4.zip archive is the current date and time.
5. We use the standard tar.gz command.

#!/usr/bin/env python#coding=utf-8#filename: backup_ver2.pyimport osimport time#1.  List of backup files source = ['/home/medees/pictures/',  '/home/medees/script/'] #If  you are  Using windows,use source = [r ' C:\Documents ',  r ' D:\Work '] or something  like that#2.  the home directory where the backup files are stored target_dir =  '/home/medees/backup/'    #Remember  to  change this to what you will be using#3. the files are  backed  up into a zip file#4.  the day of the main backup directory Today = target_dir  + time.strftime ('%y%m%d ') #  compressed current time now = time.strftime ('%h%m%s ') #Take  a  comment from the user to create the name of the zip  Filecomment = raw_input (' enter a comment -->  ') If len (comment)  ==  0:     #check  if a comment was entered    target =  today + os.sep + now +  '. tar.gz ' else:    target =  today + os.sep + now +  ' _ '  +          comment.replace ('   ',  ' _ ')  +  '. tar.gz ' #如果当天日期的目录不存在则创建if  not  Os.path.exists (Today):     os.mkdir (today)     print  ' successfully  created directory ', today#5. we use the zip command  (in  Unix/linux)  to put the files in a zip archiv#zip_command =  " zip -qr  '%s '  %s  %  (target,  '   '. Join (source)) tar_command =  "tar  -cvzf %s %s " %  (target,  '  ". Join (source)) #Run  the backupif  Os.system (Tar_command)  ==&NBsp;0:    print  ' Successful backup to ', targetelse:     print  ' backup failed '

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Python---backup directories and files