Python Mysql自动备份脚本

测试系统环境 Windows 2003 python 2.5.1 mysql 5.0.1

应该只适用于Win，因为调用了CMD。
增量备份，因为自用，数据库不大。
回头有了需求加上自检测，5天前的自动删除。

#!/usr/bin/env python
#encoding=utf-8

#Mysql auto backup
#Author: vane

import os, sys, datetime

reload(sys)
sys.setdefaultencoding('utf-8')

backup_path = """d:\\mysql_backup_files"""

dbhost = "localhost"
dbname = "dabatase name" # 数据库名
dbuser = "root" # 用户名
dbuserpw = "123456" # 密码
dbcharset = 'utf8' # 输出文件编码，默认UTF8

now = str(datetime.datetime.now())[:10]

backup_command = """mysqldump -B %s -h%s -u%s -p%s --default_character-set=%s --opt>%s\dbbackup_%s_%s.sql\n""" % (dbname, dbhost, dbuser, dbuserpw, dbcharset, backup_path, dbname, now)

a, b = os.popen2('cmd')
a.write(backup_command)
a.close()
b.read()
b.close()
print "Done!"