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Remove distutils usages for Python 3.10 #19064

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Oct 21, 2021
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@uranusjr uranusjr commented Oct 19, 2021

See #19059.

Version parsing capabilities when building provider packages is now provided by packaging.version.Version instead. Non-Python software version parsing (sqlite) is re-implemented with regex.

Usages of strtobool are replaced by the to_boolean utility function in the airflow.utils.strings module. This function is a bit more permissive than strtobool, but should be good enough for how Airflow uses it for. This function is available since 2.0 and should be safe for usages in provider packages as well.

The copy_file usage is replaced by shutils.copy2(), which is good enough for Airflow's needs.

The distutils reference in setup.py is kept since the file is only used at build-time against setuptools, which patches the distutils import with a vendored copy and is not deprecated.

See also Migration Advice in PEP 632.

@github-actions github-actions bot added the full tests needed We need to run full set of tests for this PR to merge label Oct 20, 2021
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The PR most likely needs to run full matrix of tests because it modifies parts of the core of Airflow. However, committers might decide to merge it quickly and take the risk. If they don't merge it quickly - please rebase it to the latest main at your convenience, or amend the last commit of the PR, and push it with --force-with-lease.

@uranusjr uranusjr force-pushed the distutils-purge branch 2 times, most recently from 9e94335 to 3ac44a6 Compare October 20, 2021 03:20
Version parsing capabilities when building provider packages is now
provided by packaging.version.Version instead. Non-Python software
version parsing (sqlite) is re-implemented with regex.

Usages of strtobool are replaced by the to_boolean utility function in
the airflow.utils.strings module. This function is a bit more permissive
than strtobool, but should be good enough for how Airflow uses it for.
This function is available since 2.0 and should be safe for usages in
provider packages as well. Some usages of strtobool in providers are
replaced by copying the implementation from distutils since to_boolean's
different behavior would cause backward incompatibilities.

The copy_file usage is replaced by shutils.copy2(), which is good enough
for Airflow's needs.

The distutils reference in setup.py is kept since the file is only used
at build-time against setuptools, which patches the distutils import
with a vendored copy and is not deprecated.
@uranusjr uranusjr merged commit e4888a0 into apache:main Oct 21, 2021
@uranusjr uranusjr deleted the distutils-purge branch October 21, 2021 09:55
sharon2719 pushed a commit to sharon2719/airflow that referenced this pull request Oct 27, 2021
@potiuk potiuk added this to the Airflow 2.2.4 milestone Jan 22, 2022
potiuk pushed a commit that referenced this pull request Jan 22, 2022
@ephraimbuddy ephraimbuddy added the type:misc/internal Changelog: Misc changes that should appear in change log label Apr 11, 2022
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5 participants