admin.py 文件源码

def rate_limit_tasks(self, request, queryset):
        tasks = set([task.name for task in queryset])
        opts = self.model._meta
        app_label = opts.app_label
        if request.POST.get('post'):
            rate = request.POST['rate_limit']
            with current_app.default_connection() as connection:
                for task_name in tasks:
                    rate_limit(task_name, rate, connection=connection)
            return None

        context = {
            'title': _('Rate limit selection'),
            'queryset': queryset,
            'object_name': force_text(opts.verbose_name),
            'action_checkbox_name': helpers.ACTION_CHECKBOX_NAME,
            'opts': opts,
            'app_label': app_label,
        }

        return render_to_response(
            self.rate_limit_confirmation_template, context,
            context_instance=RequestContext(request),
        )