base.py 文件源码

def get(self, instance_id):
        """
        Retrieve a model corresponding at given ID and return it as a JSON
        object.
        """
        try:
            instance = self.get_model_or_404(instance_id)
            self.check_read_permissions(instance.serialize())
        except StatementError:
            return {"error": "Wrong id format"}, 400
        return instance.serialize(), 200