models.py 文件源码

def get_page_translations(cls, page):
        """
        Get a list of all translations for a page
        :param page: the page to query
        :return: a list of languages or an empty list
        """
        try:
            return lang_models.Language.query.\
                join(cls, and_(cls.page_id == page.id,
                               lang_models.Language.id == cls.language_id)).\
                with_entities(lang_models.Language.id,
                              lang_models.Language.name,
                              lang_models.Language.pubid,
                              cls.group_id).all()
        except exc.NoResultFound:
            return None