从django的中间件直接返回请求的方法

#coding=utf-8

import json

import gevent

from django.http import HttpResponse

from sdsom.web.recorder import get_event_type

from sdsom.web.recorder import get_request_event_info

from sdsom.db.rpcclient import get_db_client

class RecordEventMiddleWare(object) :

 def process_view(self, request, view, args, kwargs) :

 etype = get_event_type(request)

 if not etype :

  return None

 info = get_request_event_info(request, etype)

 info['status'] = "BEGIN"

 try:

  get_db_client().add_event_record(info)

 except :

  return HttpResponse(

   json.dumps({"susscess":0, "message":"记录事件开始到数据库出错"}),

   content_type='application/json'

   )

 return None