Class PubsubMessage (2.6.1)

Version 2.6.1

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PubsubMessage(mapping=None, *, ignore_unknown_fields=False, **kwargs)

A message that is published by publishers and consumed by subscribers. The message must contain either a non-empty data field or at least one attribute. Note that client libraries represent this object differently depending on the language. See the corresponding client library documentation <https://cloud.google.com/pubsub/docs/reference/libraries>__ for more information. See quotas and limits for more information about message limits.

Attributes
Name	Description
data	bytes The message data field. If this field is empty, the message must contain at least one attribute.
attributes	Sequence[google.pubsub_v1.types.PubsubMessage.AttributesEntry] Attributes for this message. If this field is empty, the message must contain non-empty data. This can be used to filter messages on the subscription.
message_id	str ID of this message, assigned by the server when the message is published. Guaranteed to be unique within the topic. This value may be read by a subscriber that receives a PubsubMessage via a Pull call or a push delivery. It must not be populated by the publisher in a Publish call.
publish_time	google.protobuf.timestamp_pb2.Timestamp The time at which the message was published, populated by the server when it receives the Publish call. It must not be populated by the publisher in a Publish call.
ordering_key	str If non-empty, identifies related messages for which publish order should be respected. If a Subscription has enable_message_ordering set to true, messages published with the same non-empty ordering_key value will be delivered to subscribers in the order in which they are received by the Pub/Sub system. All PubsubMessage\ s published in a given PublishRequest must specify the same ordering_key value.

Classes

AttributesEntry

AttributesEntry(mapping=None, *, ignore_unknown_fields=False, **kwargs)

The abstract base class for a message.

Parameters
Name	Description
kwargs	dict Keys and values corresponding to the fields of the message.
mapping	Union[dict, .Message] A dictionary or message to be used to determine the values for this message.
ignore_unknown_fields	Optional(bool) If True, do not raise errors for unknown fields. Only applied if mapping is a mapping type or there are keyword parameters.