database.py 文件源码

def save(self):
        """
        ????????
        :return:
        """
        try:
            db_session.add(self)
            db_session.commit()
        except:
            db_session.rollback()
            raise
        finally:
            db_session.close()

        model_saved.send(app._get_current_object())
        return self