def fail(self, err='MockupDB query failure', *args, **kwargs):
        """Reply to a query with the QueryFailure flag and an '$err' key.

        Returns True so it is suitable as an `~MockupDB.autoresponds` handler.
        """
        kwargs.setdefault('flags', 0)
        kwargs['flags'] |= REPLY_FLAGS['QueryFailure']
        kwargs['$err'] = err
        self.replies(*args, **kwargs)
        return True
def fail ( self , err = 'MockupDB query failure' , * args , ** kwargs ) : kwargs . setdefault ( 'flags' , 0 ) kwargs [ 'flags' ] |= REPLY_FLAGS [ 'QueryFailure' ] kwargs [ '$err' ] = err self . replies ( * args , ** kwargs ) return True
Reply to a query with the QueryFailure flag and an '$err' key.

        Returns True so it is suitable as an `~MockupDB.autoresponds` handler.