Message#
Define API Topics.
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class
google.cloud.pubsub.message.
Message
(data, message_id, attributes=None)[source]# Bases:
object
Messages can be published to a topic and received by subscribers.
See: https://cloud.google.com/pubsub/reference/rest/v1/PubsubMessage
Parameters: - data (bytes) – the payload of the message.
- message_id (string) – An ID assigned to the message by the API.
- attributes (dict or None) – Extra metadata associated by the publisher with the message.
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attributes
# Lazily-constructed attribute dictionary.
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classmethod
from_api_repr
(api_repr)[source]# Factory: construct message from API representation.
Parameters: api_repr (dict or None) – The API representation of the message Return type: Message
Returns: The message created from the response.
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service_timestamp
# Return server-set timestamp.
Return type: string Returns: timestamp (in UTC timezone) in RFC 3339 format
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timestamp
# Return sortable timestamp from attributes, if passed.
Allows sorting messages in publication order (assuming consistent clocks across all publishers).
Return type: datetime.datetime
Returns: timestamp (in UTC timezone) parsed from RFC 3339 timestamp Raises: ValueError if timestamp not in attributes
, or if it does not match the RFC 3339 format.