import abc class AbstractModel(abc.ABC): @abc.abstractmethod def open_model(self) -> None: raise NotImplemented @abc.abstractmethod def close_model(self) -> None: raise NotImplemented @abc.abstractmethod def get_activity_changes(self, platform: str, leaderboard_type: str, limit: int, low_timestamp, high_timestamp)\ -> list: raise NotImplemented @abc.abstractmethod def insert_livery(self, livery_list: list) -> int: raise NotImplemented @abc.abstractmethod def insert_livery_timestamp(self, livery_list: list) -> int: raise NotImplemented @abc.abstractmethod def get_diff_action_id(self, action_id: int) -> list: raise NotImplemented