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https://issues.apache.org/jira/browse/BEAM-10861?focusedWorklogId=488564&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-488564
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ASF GitHub Bot logged work on BEAM-10861:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 22/Sep/20 20:04
Start Date: 22/Sep/20 20:04
Worklog Time Spent: 10m
Work Description: boyuanzz commented on a change in pull request #12888:
URL: https://github.com/apache/beam/pull/12888#discussion_r493000543
##########
File path: sdks/python/apache_beam/io/iobase.py
##########
@@ -992,6 +1012,43 @@ def expand(self, pcoll):
'A sink must inherit iobase.Sink, iobase.NativeSink, '
'or be a PTransform. Received : %r' % self.sink)
+ def _pubsub_write_payload(self):
+ return beam_runner_api_pb2.PubSubWritePayload(
+ topic=self.sink.full_topic,
+ id_attribute=self.sink.id_label,
+ timestamp_attribute=self.sink.timestamp_attribute)
+
+ def to_runner_api_parameter(self, context):
+ # type: (PipelineContext) -> Tuple[str, Any]
+ # Importing locally to prevent circular dependencies.
+ from apache_beam.io.gcp.pubsub import _PubSubSink
+ if isinstance(self.sink, _PubSubSink):
+ payload = self._pubsub_write_payload()
+ return (common_urns.composites.PUBSUB_WRITE.urn, payload)
+ else:
+ return super(Write, self).to_runner_api_parameter(context)
+
+ @staticmethod
+ @ptransform.PTransform.register_urn(
+ common_urns.composites.PUBSUB_WRITE.urn,
+ beam_runner_api_pb2.PubSubWritePayload)
+ def from_runner_api_parameter(ptransform, payload, unused_context):
+ # type: (Any, Any, PipelineContext) -> Write
+ if ptransform.spec.urn != common_urns.composites.PUBSUB_WRITE.urn:
+ raise ValueError(
+ 'Write transform cannot be constructed for the given proto %r',
+ ptransform)
+
+ # Importing locally to prevent circular dependencies.
+ from apache_beam.io.gcp.pubsub import _PubSubSink
+ sink = _PubSubSink(
+ topic=payload.topic,
+ id_label=payload.id_attribute,
+ with_attributes=True,
Review comment:
I only did partial cleanup to Write. We can have a followup PR to add
more cleanup.
cc: @lukecwik
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Issue Time Tracking
-------------------
Worklog Id: (was: 488564)
Time Spent: 11h 50m (was: 11h 40m)
> Adds URNs and payloads to PubSub transforms
> -------------------------------------------
>
> Key: BEAM-10861
> URL: https://issues.apache.org/jira/browse/BEAM-10861
> Project: Beam
> Issue Type: Bug
> Components: cross-language, runner-dataflow, sdk-py-core
> Reporter: Chamikara Madhusanka Jayalath
> Assignee: Chamikara Madhusanka Jayalath
> Priority: P1
> Fix For: 2.25.0
>
> Time Spent: 11h 50m
> Remaining Estimate: 0h
>
> This is needed to allow runners to override portable definition of transforms.
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