#!/usr/bin/python
#Filename:backupscript.py
import os
import time
# The files and directories to be backed up are specified in a list.
source = ['/data/']
# The backup must be stored in a main backup directory
target_dir = '/mnt/backup/'
# 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 tar archive
now = time.strftime('%H_%M_%S')
# Create the subdirectory if it isn't already there
if not os.path.exists(today):
os.mkdir(today)
print 'Successfully created directory', today
# The name of the tar file
target = today + os.sep + now +'.tar.gz'
# We use the tar command (in Unix/Linux) to put the files in a tar archive
tar_command = "tar zcvf '%s' %s" % (target, ' '.join(source))
if os.system(tar_command) == 0:
print 'Successful backup to', target
else:
print 'Backup failed'
来源：https://www.cnblogs.com/songyuejie/p/4561016.html