Python django.views.decorators.http 模块，condition() 实例源码

def get_conditional_response(self, *args, **kwargs):
        return condition(
            self.etag_func,
            self.last_modified_func
        )(super(self.__class__, self).dispatch)(
            *args, **kwargs
        )

def get_handler(self, request):
        handler = super().get_handler(request)
        if handler and self.method in ('get', 'head'):
            return condition(
                last_modified_func=self._last_modified,
                etag_func=self.etag,
            )(handler)
        else:
            return handler