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@Amar3tto Amar3tto commented Aug 26, 2025

Fixes #30760
Successful run: https://github.com/apache/beam/actions/runs/17270425587


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Summary of Changes

Hello @Amar3tto, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request updates the juliaset_test_it.py example to ensure compatibility with Python 3.12. It addresses the removal of the distutils module in Python 3.12 by conditionally including the setup_file argument only for Python versions prior to 3.12, preventing errors when running tests on newer Python environments.

Highlights

  • Python 3.12 Compatibility: Ensures the juliaset example test runs successfully on Python 3.12 by adapting to the removal of distutils.
  • Conditional setup_file Argument: The setup_file argument is now conditionally added to the pipeline options, only when the Python version is less than 3.12.
  • System Module Import: The sys module is imported to check the Python version.
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@Amar3tto Amar3tto changed the title Run without distutils for Python 3.12 Fix PostCommit Python Arm job Aug 26, 2025
# distutils was removed from Python 3.12
if sys.version_info < (3, 12):
extra_args['setup_file'] = os.path.normpath(
os.path.join(os.path.dirname(__file__), '..', 'setup.py'))
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This is meant to be part of the example -

In Python Dataflow, using the --setup_file option when submitting a job, will
- but in general, it is a better idea to just use a requirements.txt file for use cases like this now.

Could we update the example (both here and what I linked) to use a requirements.txt file with the corresponding pipeline option? The only thing we'd need to pull out is numpy like we do here

Then we could remove setup.py from the example

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Done

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Assigning reviewers:

R: @shunping for label python.

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@Amar3tto Amar3tto force-pushed the fix-python-arm-postcommit branch from d47ee87 to 8da0802 Compare August 27, 2025 14:54
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@Amar3tto Amar3tto merged commit 0670eb1 into master Aug 28, 2025
118 of 130 checks passed
@Amar3tto Amar3tto deleted the fix-python-arm-postcommit branch August 28, 2025 05:01
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I don't follow this change. --setup_file is an option some people use to package a multi-file pipleine in a package and install that on the worker.

The integration tests we had was exercising this pipeline option. We can use such test for #37331

why was this test failing on ARM?

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IIRC, the old test relied on distutils which was removed in Python 3.12, so I think the example needed to change, and that's why we were seeing failures.

In retrospect, I think the way we did it/I recommended was a mistake. Originally, I saw we were just using the setup file to install dependencies, which was an odd usage, but I now see that we're explicit about this being to demonstrate a custom command. I also didn't realize it was our only setup_file coverage.

I think we should mostly back out this change and update to just not use distutils instead

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Ack, thanks and no worries, it happens!

to demonstrate a custom command

with custom containers, custom commands in setup.py are not a common use-case anymore. people still use --setup_file for submitting pipeline as a package. that's the main value of this option.

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The PostCommit Python Arm job is flaky

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