firebase_functions.pubsub_fn module

Functions to handle events from Google Cloud Pub/Sub.

Classes

Message

classfirebase_functions.pubsub_fn.Message(message_id:str,publish_time:str,attributes:dict[str,str],data:str,ordering_key:str)

Bases:Generic[T]

Interface representing a Google Cloud Pub/Sub message.

attributes:dict[str,str]

User-defined attributes published with the message, if any.

data:str

The data payload of this message object as a base64-encoded string.

propertyjson:T|None
message_id:str

Autogenerated ID that uniquely identifies this message.

ordering_key:str

User-defined key used to ensure ordering amongst messages with the same key.

publish_time:str

Time the message was published.

MessagePublishedData

classfirebase_functions.pubsub_fn.MessagePublishedData(message:Message[T],subscription:str)

Bases:Generic[T]

The interface published in a Pub/Sub publish subscription.

'T' Type representingMessage.data's JSON format.

message:Message[T]

Google Cloud Pub/Sub message.

subscription:str

A subscription resource.

Functions

on_message_published

firebase_functions.pubsub_fn.on_message_published(**kwargs)Callable[[Callable[[CloudEvent[MessagePublishedData[T]]],None]],Callable[[CloudEvent[MessagePublishedData[T]]],None]]

Event handler that triggers on a message being published to a Pub/Sub topic.

Example:

@on_message_published(topic="hello-world")defexample(event:CloudEvent[MessagePublishedData[object]])->None:pass
Parameters:

**kwargs (asfirebase_functions.options.PubSubOptions) -- Pub/Sub options.

Return type:

typing.Callable[ [firebase_functions.core.CloudEvent [firebase_functions.pubsub_fn.MessagePublishedData [typing.Any ] ] ],None ]A function that takes a CloudEvent and returnsNone.

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Last updated 2023-11-06 UTC.