handlers.py 文件源码

def put(self, item_id):
        """
        Handles PUT request.
        Validates data and updates given item.

        Returns serialized model.

        Raises 405 in case of not updatable model (there must be
        _update method implemented in model class).

        Raises 400 in case of violated constraints, invalid parameters and other
        data and integrity errors.

        :raises: HTTP 405, HTTP 400.
        """
        item = await self.get_item(item_id)

        data = await self.validate(self.request.body, self.put_schema_input, item_id=item_id)
        try:
            item = await item._update(self.application, data)
        except AttributeError as e:
            # We can only update item if model method _update is implemented
            raise HTTPError(
                405,
                body=self.get_response(
                    errors=[
                        {
                            'code': '',
                            'message': 'Method not allowed',
                            'detail': str(e)
                        }
                    ]
                )
            )
        except (peewee.IntegrityError, peewee.DataError) as e:
            raise HTTPError(
                400,
                body=self.get_response(
                    errors=[
                        {
                            'code': '',
                            'message': 'Invalid parameters',
                            'detail': str(e)
                        }
                    ]
                )
            )

        self.response(result=await self.serialize(item))