用Python指令碼備份Mysql資料庫

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#!/usr/bin/env python    #coding=utf8    #author : itnihao    #mail   : itnihao@qq.com    #source : http://code.taobao.org/p/python2/src/trunk/    #version:1.0            '''    功能:mysql備份。用mysqldump對mysql中各庫進行備份    1.user,pass,host,path,del參數為變數    2.預設備份刪除周期為5天,備份以天為單位    3.預設備份路徑為/mysql_backup,如果不存在會建立此目錄    4.用法為加執行許可權,定時任務運行    '''import os,subprocess,datetime            '''設定變數'''MYSQL_USER = 'root'MYSQL_PASS = 'pass'MYSQL_HOST = 'localhost'DEL_DAYS   = 5    BACK_PATH  = '/mysql_backup'        '''''時間設定'''CUR_TIME = datetime.date.today()    AGO_TIME = datetime.timedelta(days=DEL_DAYS)    DEL_TIME = CUR_TIME - AGO_TIME    DATABASE = ''                '''備份函數'''def mysqldump():        if os.path.isdir(BACK_PATH):            os.chdir(BACK_PATH)        else:            os.mkdir(BACK_PATH)            os.chdir(BACK_PATH)        database_cmd=subprocess.Popen("mysql -u%s -p%s -h%s -e 'show databases'|grep -v Database|grep -v information" %(MYSQL_USER,MYSQL_PASS,MYSQL_HOST),stdout=subprocess.PIPE,shell=True)        DATABASE_NAME=database_cmd.stdout.read().split()        for DATABASE  in DATABASE_NAME:            MYSQLDUMP_FILENAME="/mysql_backup/%s%s.sql"%(CUR_TIME,DATABASE)            subprocess.call("mysqldump -u%s -p%s -h%s %s>%s" %(MYSQL_USER,MYSQL_PASS,MYSQL_HOST,DATABASE,MYSQLDUMP_FILENAME),shell=True)            if os.path.isfile('${DEL_TIME}${DATABASE}.sql'):                subprocess.call("rm ${DEL_TIME}${DATABASE}.sql",shell=True)            mysqldump()

指令碼下載地址http://code.taobao.org/p/python2/src/trunk/mysql_backup.py

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