dbutils.py 文件源码

def get_value_for_datastore(self, model_instance):
        fake_model = getattr(model_instance, self.name)
        if not fake_model:
            return None
        if not self.indexed:
            return db.Text(fake_model.get_value_for_datastore())
        return fake_model.get_value_for_datastore()