middleware.py 文件源码

def __call__(self, request):
        if not request.method in ('GET', 'HEAD', 'OPTIONS', 'TRACE'):
            # import pdb;pdb.set_trace()
            if hasattr(request, 'user') and request.user.is_authenticated():
                user = request.user
            else:
                user = None

            mark_whodid = curry(self.mark_whodid, user)
            signals.pre_save.connect(mark_whodid,  dispatch_uid = (self.__class__, request,), weak = False)

        response = self.get_response(request)

        signals.pre_save.disconnect(dispatch_uid =  (self.__class__, request,))
        return response