daoregistry.py 文件源码

def register_dao_class(database_type, cls):
    if not issubclass(cls, BaseDAO):
        raise ValueError('Class %r isn\'t a subclass of BaseDAO')
    base_classes = inspect.getmro(cls)
    for base_cls in inspect.getmro(cls):
        if base_classes[0] != base_cls and base_cls not in (BaseDAO, types.ObjectType):
            DAO_CLASS_BY_DATABASE_TYPE_BASE_CLASS[database_type][base_cls.__name__] = cls