MySQL_qps

#!/usr/bin/env python
#_*_coding:utf8 _*_
import MySQLdb
import datetime
#qps
import time
try:
    conn=MySQLdb.connect(host="192.168.1.114",user="dlan",passwd="root123",port=3306)
    cur=conn.cursor()
    while True:
        sql = ‘‘‘show global status where variable_name in(‘com_select‘,‘com_insert‘,‘com_delete‘,‘com_update‘,‘com_insert_select‘,‘uptime‘)‘‘‘
        cur.execute(sql)
        aa = cur.fetchall()
        aa=list(aa)
        delete = int(aa[0][1])
        insert1 = int(aa[1][1])
        insert2 = int(aa[2][1])
        select = int(aa[3][1])
        update = int(aa[4][1])
        uptime1 = int(aa[5][1])
        qps1=delete+insert1+insert2+select+update
        time.sleep(3)
        while True:
            sql = ‘‘‘show global status where variable_name in(‘com_select‘,‘com_insert‘,‘com_delete‘,‘com_update‘,‘com_insert_select‘,‘uptime‘)‘‘‘
            cur.execute(sql)
            data = cur.fetchall()
            data = list(aa)
            delete_2 = int(aa[0][1])
            insert_2 = int(aa[1][1])
            insert2_2 = int(aa[2][1])
            select_2 = int(aa[3][1])
            update_2 = int(aa[4][1])
            uptime2_2 = int(aa[5][1])
            qps2 = delete_2 + insert_2 + insert2_2 + select_2 + update_2
            uptime=uptime2_2-uptime1
            print (qps2-qps1)/uptime
            break
except MySQLdb.Error,e:
    print "MySQL error%d:%s"%(e.args[0],e.args[1])