resource.py 文件源码

def __init__(self, sqlurl_or_engine: Union[str, Engine], **kwargs):
        super().__init__()
        if isinstance(sqlurl_or_engine, str):
            self._sqlurl = sqlurl_or_engine
            self._engine = create_engine(sqlurl_or_engine)
        elif isinstance(sqlurl_or_engine, Engine):
            self._engine = sqlurl_or_engine
            self._sqlurl = self._engine.url
        self._session_maker = AutoCloseSessionMaker(bind=self._engine, **kwargs)