python实现mysql备份的脚本

#!/usr/bin/env python

# encoding: utf-8

import os,time,sys

bakup_dir = '/home/bak/mysql'

current_time = time.strftime('%Y%m%d%H%M%S')

user = 'root'

password = 'root'

database = ['mysql','aaa']

if os.path.exists(bakup_dir):

print "The path %s exists" % bakup_dir

else :

os.makedirs(bakup_dir)

print "The path %s create sucessful" % bakup_dir

os.chdir(bakup_dir）

for i in range(len(database)):

a = database[i]

mysqlbak_cmd = "mysqldump -u%s -p%s --default-character-set=utf8 %s > %s%s.sql" % (user,password,a,current_time,a)

os.system(mysqlbak_cmd)

print "backup sucessful"