mixins.py 文件源码

def get_round(self):
        try:
            game = self.get_game()
            round_number = self.kwargs['round_number']
            return Round.objects.get(game=game, number=round_number)
        except Game.DoesNotExist:
            raise NotFound('game not found')
        except Round.DoesNotExist:
            raise NotFound('round not found')