views.py 文件源码

def get(self, request, pk):
        try:
            task_obj = Task.objects.get(pk=pk)
            if not task_obj.is_closed:
                exclude = request.GET.get('exclude')
                random_qn = task_obj.random_question(user=request.user,
                                                     exclude=exclude)
                if random_qn:
                    return HttpResponseRedirect(random_qn.get_absolute_url())
                messages.add_message(self.request, messages.ERROR, "There are no more unanswered questions")
            return HttpResponseRedirect(task_obj.get_absolute_url())
        except Task.DoesNotExist:
            return Http404