python读取json文件数据写到MySQL数据库

import sys
import urllib2
import json
import datetime
import pymysql as MySQLdb
import time
from itertools import islice

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

mysql_conn = MySQLdb.connect(host="127.0.0.1",user="admin",passwd="123456",db="test",port=3306,charset="UTF8")
mysql_cursor = mysql_conn.cursor()

if __name__=='__main__':
today = datetime.date.today().strftime('%Y%m%d') if len(sys.argv)<2 else sys.argv[1]
yesterday = (datetime.datetime.strptime(today,'%Y%m%d')-datetime.timedelta(days=1)).strftime('%Y%m%d')
#print 'processing date %s' % (yesterday)
logFilePath = '/data1/trace_data/daystat.'+yesterday+'.dat'
#print logFilePath
logFile = open(logFilePath)
i = 0
print 'delete old data...'
#mysql_cursor.execute("delete from test_xx where log_date=%(log_date)s",{'log_date':yesterday})
print "finish deleting"

#跳过前两行
for line in islice(logFile,2,None):
#读取数据,获取字段信息
lineData = json.loads(line)
#log_date = lineData.get('day')
log_date = time.strftime("%Y%m%d", time.localtime(lineData.get('day')))
#if log_date != yesterday:
#continue
#print lineData
channel = lineData.get('channel')
Id = lineData.get('Id')
total_time = lineData.get('total_time')
xx_time = lineData.get('xx_time')
oo_time = lineData.get('oo_time')
distance = lineData.get('distance')
xx_distance = lineData.get('xx_distance')
oo_distance = lineData.get('oo_distance')
id = lineData.get('_id')
sid_num = lineData.get('sid_num')
for address in lineData.get('city','none'):
# print lindeData.get('city','none')
if type(address) != str:
province = address.get('province','null')
city = address.get('city','null')
else:
province = "null"
city = "null"
print city
mysql_cursor.execute("insert into test_xx(log_date,channel,city,Id,total_time,xx_time,oo_time,distance,xx_distance,oo_distance,id,sid_num,province) values(%(log_date)s,%(channel)s, %(city)s,%(Id)s,%(total_time)s,%(xx_time)s,%(oo_time)s,%(distance)s, %(xx_distance)s,%(oo_distance)s,%(id)s,%(sid_num)s,%(province)s);",{'log_date':log_date,'channel':channel,'city':city,'Id':Id,'total_time':total_time,'xx_time':xx_time,'oo_time':oo_time,'distance':distance,'xx_distance':xx_distance,'oo_distance':oo_distance,'id':id,'sid_num':sid_num,'province':province})
print log_date,channel,city,Id,total_time,xx_time,oo_time,distance,xx_distance,oo_distance,id,sid_num,province
i += 1
print i
mysql_conn.commit()
mysql_conn.close()