python如何导入txt数据库？

#!/usr/bin/python
#coding=utf-8

import _mysql,sys,time
#读入数据函数
def add_data(id,name,created_time):
    try:
        conn=_mysql.connect('127.0.0.1','root','')
        conn.query("set names utf8")
        conn.query("insert into mysql.test3(%s,%s,%s) values('%s','%s','%s')"%('object_id','object_name','created',id,name,created_time))
        result=conn.use_result()
        conn.close()
    except _mysql.Error,e:
        print ("error %d:%s" % (e.args[0],e.args[1]))
        sys.exit(1)
if __name__ =="__main__":
    f= open("/opt/testdata/aaa.txt","r")
	
    time1=time.time()
    print time.ctime()
	#读出第一行数据，作为数据表的段名
    line=f.readline()
    content=line.strip().split(",")
    conn0=_mysql.connect('127.0.0.1','root','')
    print 'connection is builded succesfully'
    conn0.query("drop table if exists mysql.test3")
    conn0.query("create table mysql.test3(%s varchar(90),%s varchar(90),%s varchar(90))"%(content[0][1:-1],content[1][1:-1],content[2][1:-1]))
    conn0.close()
    #运用next函数，让for循环从第二行开始读数据
    next(f)
    for line in f:
	   #做一些处理，让每一段分开，放置在一个列表中
       content=line.strip().split(",")
       add_data(id=content[0][1:-1],name=content[1][1:-1],created_time=content[2][1:-1])
       
    f.close()
	
    time2=time.time()
    print time.ctime()
	#计算导入数据的时间
    print 'importing time is %f'%(time2-time1)