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feat: enable rules_python Starlark implemention by default for Bazel 7+ #1699

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merged 3 commits into from
Feb 13, 2024

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rickeylev
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@rickeylev rickeylev commented Jan 17, 2024

This makes the base rules use the Starlark code in rules_python
("pystar") instead of what is built into Bazel 7.

The pystar implementation can be disabled by setting
RULES_PYTHON_ENABLE_PYSTAR=0 in your environment or using
--action_env.

Earlier versions of Bazel continue to use the rules built into Bazel
regardless (the new implementation requires special APIs that only Bazel
7 has).

Work towards #1069

@rickeylev rickeylev force-pushed the pystar.enabled.by.default branch 2 times, most recently from e7481b1 to 779f050 Compare January 21, 2024 07:13
This makes the base rules use the Starlark code in rules_python
("pystar") instead of what is built into Bazel 7.

The pystar implementation can be disabled by setting
`RULES_PYTHON_ENABLE_PYSTAR=0` in your environment or using
`--action_env`.

Earlier versions of Bazel continue to use the rules built into Bazel
regardless (the new implementation requires special APIs that only Bazel
7 has).

Work towards bazelbuild#1069
@rickeylev rickeylev requested a review from aignas January 23, 2024 00:24
@rickeylev rickeylev marked this pull request as ready for review January 23, 2024 00:24
@rickeylev
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Doh, forgot the changelog entry

@rickeylev
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posterity, from maintainer's meeting:

The plan for this PR is to make it its own release. So immediately after the next release, I'll merge this and then do a subsequent release. This is to help decouple it from the other fixes/features/breaking-changes that have been going in. I'm not too worried about regressions (Bazel 7 uses the new starlark impl this is based upon; Google has been using the starlark impl for many months and the rules_python variant for several weeks), but I'd rather be more cautious in this particular case.

@rickeylev rickeylev added this pull request to the merge queue Feb 13, 2024
Merged via the queue into bazelbuild:main with commit 5cd32ad Feb 13, 2024
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@rickeylev rickeylev deleted the pystar.enabled.by.default branch February 13, 2024 04:32
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2 participants