详细出处参考：http://www.jb51.net/article/43294.htm

#!/usr/bin/env python

#-*-encoding:utf-8-*-

#-------------------------

#name:       mysql_usr_dump.py

#Purpose:    批量导出用户

#Author:     huangchengdu

#--------------------------


import MySQLdb

def

get_data(conn):

	query = 'select user,host from mysql.user order by user'

	cursor = conn.cursor()

	cursor.execute(query)

	lines = cursor.fetchall()

	return lines

def

output_data(conn,rows):

	for user,host in rows:

		query ="show grants for '%s'@'%s'" %(user,host)

		cursor = conn.cursor()

		cursor.execute(query)

		show_pri = cursor.fetchall()

		for grants_command in show_pri:

			print ''.join(grants_command)+';'

		print ''



if __name__=='__main__':

conn =MySQLdb.connect

(host='localhost','user='root',passwd='huang',db='mysql',port=3306,charset='utf-8')



rows = get_data(conn)

output_data(conn,rows)