mixin.py 文件源码

def deregister_response(fn):
        """ Deregister response from the registry.

        It's a decorator.

        """
        @wraps(fn)
        def inner(self, *args, **kwargs):
            item_or_request = fn(self, *args, **kwargs)

            if isinstance(item_or_request, types.GeneratorType):
                item_or_request = get_consistent_generator(item_or_request)

            # Only decrease counter if the item_or_request passed the filter
            if item_or_request:
                response = self._get_response(args, kwargs)
                self._decrease_counter(response)

            return item_or_request

        return inner