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gh-161194: fix timezone constants when timezone rules change mid-year - #161230

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NotorandXor256:fix/time_moudle
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NotorandXor256 wants to merge 4 commits into
python:mainfrom
NotorandXor256:fix/time_moudle

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@NotorandXor256

@NotorandXor256 NotorandXor256 commented Nov 3, 2026 •

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Detect the declaration of tzname during configuration so that CPython uses libc's timezone globals instead of relying on January and July samples.

This avoids reporting stale timezone constants when a timezone's rules change during the year.

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bedevere-app Bot commented Nov 3, 2026

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Most changes to Python require a NEWS entry. Add one using the blurb_it web app or the blurb command-line tool.

If this change has little impact on Python users, wait for a maintainer to apply the skip news label instead.

@bedevere-app

bedevere-app Bot commented Nov 3, 2026

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Most changes to Python require a NEWS entry. Add one using the blurb_it web app or the blurb command-line tool.

If this change has little impact on Python users, wait for a maintainer to apply the skip news label instead.

@bedevere-app

bedevere-app Bot commented Nov 3, 2026

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Most changes to Python require a NEWS entry. Add one using the blurb_it web app or the blurb command-line tool.

If this change has little impact on Python users, wait for a maintainer to apply the skip news label instead.

@NotorandXor256

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during regeneration the configuration autoreconf -ivf other changes were occur in files config.guess ,configure, install-sh and pytconfig.h.in. I am not sure weather this changes are necessary or not, if not necessary then ping me i will remove those changes

@StanFromIreland

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Please revert all unrelated changes.

@bedevere-app

bedevere-app Bot commented Nov 3, 2026

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Most changes to Python require a NEWS entry. Add one using the blurb_it web app or the blurb command-line tool.

If this change has little impact on Python users, wait for a maintainer to apply the skip news label instead.

@NotorandXor256

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@StanFromIreland I have removed unrelated changes.

@StanFromIreland

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Please fix the CI, many jobs are failing.

@StanFromIreland
StanFromIreland marked this pull request as draft November 3, 2026 18:07
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2 participants