async def __postprocess__(
payload: Union[Something, SomethingNotFound], context: EventContext,
response: PostprocessHook) -> Union[Something, SomethingNotFound]:
if isinstance(payload, SomethingNotFound):
logger.debug(context, '404 - File %s not found', payload.id)
response.status = 404
return payload
async def __postprocess__(message: Optional[MyMessage], context: EventContext,
response: PostprocessHook) -> Union[MyMessage, str]:
"""
Special handler to customize what's returned as a response to the POST request received.
Sets status to 400 if the message was invalid and returns just a message.
Returns the validated message otherwise.
Notice that this step can occur after MyMessage was already submitted to the stream.
"""
if message is None:
response.status = 400
return "invalid data received"
return message
async def __postprocess__(
payload: Union[Something, SomethingNotFound], context: EventContext,
response: PostprocessHook) -> Union[Something, SomethingNotFound]:
if isinstance(payload, SomethingNotFound):
response.status = 404
return payload
