def describe(self, context, ids=None, names=None, filter=None,
                 max_results=None, next_token=None):
        if max_results or max_results < 5:
            msg = (_('Value ( %s ) for parameter maxResults is invalid. '
                     'Expecting a value greater than 5.') % max_results)
            raise exception.InvalidParameterValue(msg)

        self.context = context
        self.ids = ids
        self.items = self.get_db_items()
        formatted_items = []

        for item in self.items:
            formatted_item = self.format(item)
            self.post_format(formatted_item, item)
            if (formatted_item and
                    not self.filtered_out(formatted_item, filter)):
                formatted_items.append(formatted_item)

        return self.get_paged(formatted_items, max_results, next_token)
dataset/ETHPy150Open openstack/ec2-api/ec2api/api/common.py/NonOpenstackItemsDescriber.describe/operator `and` -> `or`