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https://issues.apache.org/jira/browse/BEAM-6894?focusedWorklogId=234457&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-234457
]
ASF GitHub Bot logged work on BEAM-6894:
----------------------------------------
Author: ASF GitHub Bot
Created on: 29/Apr/19 11:40
Start Date: 29/Apr/19 11:40
Worklog Time Spent: 10m
Work Description: robertwb commented on pull request #8270: [BEAM-6894]
Support for constructing a Dataflow job request that includes cross-language
transforms
URL: https://github.com/apache/beam/pull/8270#discussion_r279327842
##########
File path: sdks/python/apache_beam/transforms/core.py
##########
@@ -312,35 +311,15 @@ def __init__(self, proto):
self._proto = proto
def proto(self):
- """Runner API payload for constructing the Python pipeline construct."""
+ """Runner API payload for a `PTransform`"""
return self._proto
-
-class RunnerAPIPTransformHolder(RunnerAPIProtoHolder, PTransform):
- """A `RunnerAPIProtoHolder` for `PTransform`s"""
-
def to_runner_api(self, context, has_parts=False):
return self._proto
- @staticmethod
- def is_external_transform(proto):
- if proto.urn != python_urns.PICKLED_TRANSFORM:
- return True
-
-
-class RunnerAPICoderHolder(RunnerAPIProtoHolder, Coder):
- """A `RunnerAPIProtoHolder` for `Coder`s"""
-
- def to_runner_api(self, context):
- return self._proto
-
- def to_type_hint(self):
- return typehints.Any
-
- @staticmethod
- def is_external_coder(proto):
- if proto.spec.spec.urn != python_urns.PICKLED_CODER:
- return True
+ def get_restriction_coder(self):
+ # TODO(chamikara): support external transforms that are SDFs.
Review comment:
JIRA?
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Issue Time Tracking
-------------------
Worklog Id: (was: 234457)
Time Spent: 9h 40m (was: 9.5h)
> ExternalTransform.expand() does not create the proper AppliedPTransform
> sub-graph
> ---------------------------------------------------------------------------------
>
> Key: BEAM-6894
> URL: https://issues.apache.org/jira/browse/BEAM-6894
> Project: Beam
> Issue Type: Bug
> Components: sdk-py-core
> Reporter: Chamikara Jayalath
> Assignee: Chamikara Jayalath
> Priority: Major
> Time Spent: 9h 40m
> Remaining Estimate: 0h
>
> 'ExternalTransform.expand()' can be used to expand a remote transform and
> build the correct runner-api subgraph for that transform. However currently
> we do not modify the AppliedPTransform sub-graph correctly during this
> process. Relevant code location here.
> [https://github.com/apache/beam/blob/master/sdks/python/apache_beam/transforms/external.py#L135]
>
> Without this, DataflowRunner that relies in this object graph (not just the
> runner API proto) to build the job submission request to Dataflow service
> cannot construct this request properly.
>
> cc: [~robertwb]
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