gh-128636: Fix crash in PyREPL when os.environ is overwritten with an invalid value for mac by yihong0618 · Pull Request #138089 · python/cpython

yihong0618 · 2025-08-23T13:58:22Z

for mac if environ is valid and it will retrigger all of it

so I checked the code base in repr the os is from init
so make it in__init__ is better and can avoid

and that is not enough, we also need fix it the same way in

_can_colorize theme

cc @pablogsal

in my env it fixed the issue, and I wonder it maybe a litter faster

Issue: Py313 REPL crash on malformed os.environ #128636

Signed-off-by: yihong0618 <zouzou0208@gmail.com>

yihong0618 · 2025-08-23T13:59:09Z

the news is the same so maybe we can ignore it?

Signed-off-by: yihong0618 <zouzou0208@gmail.com>

yihong0618 · 2025-08-23T14:10:24Z

Why only 3.13?

only up to 3.13 new repr has this issue follow this patch title #129186

picnixz · 2025-08-23T14:11:05Z

the news is the same so maybe we can ignore it?

No, because we have already shipped a few releases since then, so we need a fresh one.

yihong0618 · 2025-08-23T14:13:09Z

the news is the same so maybe we can ignore it?
No, because we have already shipped a few releases since then, so we need a fresh one.

learned that, thank you very much

picnixz · 2025-08-23T14:13:50Z

only up to 3.13 new repr has this issue follow this patch title #129186

That's the backport. All PRs must first be done against main and we backport them when needed. We only use [3.x] when the fix is specific to the version.

yihong0618 · 2025-08-23T14:16:19Z

only up to 3.13 new repr has this issue follow this patch title #129186
That's the backport. All PRs must first be done against main and we backport them when needed. We only use [3.x] when the fix is specific to the version.

copy that, sorry for my wrong understand at first

Signed-off-by: yihong0618 <zouzou0208@gmail.com>

picnixz

I'm not entirely sure but caching THEME() seems to go against the comment in THEME().

Signed-off-by: yihong0618 <zouzou0208@gmail.com>

yihong0618 · 2025-08-23T22:59:09Z

I'm not entirely sure but caching THEME() seems to go against the comment in THEME().

addressed thank you

and add tests

Signed-off-by: yihong0618 <zouzou0208@gmail.com>

bedevere-app · 2025-08-24T08:17:29Z

A Python core developer has requested some changes be made to your pull request before we can consider merging it. If you could please address their requests along with any other requests in other reviews from core developers that would be appreciated.

Once you have made the requested changes, please leave a comment on this pull request containing the phrase I have made the requested changes; please review again. I will then notify any core developers who have left a review that you're ready for them to take another look at this pull request.

Signed-off-by: yihong0618 <zouzou0208@gmail.com>

…hong0618/cpython into hy/close_issue_128636_for_mac

I'm letting Łukasz shepherd this as I'm not a REPL expert

Signed-off-by: yihong0618 <zouzou0208@gmail.com>

yihong0618 · 2025-08-25T13:49:48Z

fixed thank you for the help

Signed-off-by: yihong0618 <zouzou0208@gmail.com>

miss-islington-app · 2025-09-15T16:26:58Z

Thanks @yihong0618 for the PR, and @ambv for merging it 🌮🎉.. I'm working now to backport this PR to: 3.14.
🐍🍒⛏🤖

miss-islington-app · 2025-09-15T16:26:58Z

Thanks @yihong0618 for the PR, and @ambv for merging it 🌮🎉.. I'm working now to backport this PR to: 3.13.
🐍🍒⛏🤖

…ith an invalid value for macOS (pythonGH-138089) (cherry picked from commit 8ef7735) Co-authored-by: yihong <zouzou0208@gmail.com> Signed-off-by: yihong0618 <zouzou0208@gmail.com> Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>

miss-islington-app · 2025-09-15T16:27:07Z

Sorry, @yihong0618 and @ambv, I could not cleanly backport this to 3.13 due to a conflict.
Please backport using cherry_picker on command line.

cherry_picker 8ef7735c536e0ffe4a60224e59b7587288f53e9e 3.13

bedevere-app · 2025-09-15T16:27:12Z

GH-138938 is a backport of this pull request to the 3.14 branch.

…ith an invalid value for macOS (pythonGH-138089) Signed-off-by: yihong0618 <zouzou0208@gmail.com> Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com> (cherry picked from commit 8ef7735)

…itten with an invalid value for macOS (pythonGH-138089) (cherry picked from commit 8ef7735) Co-authored-by: yihong <zouzou0208@gmail.com> Signed-off-by: yihong0618 <zouzou0208@gmail.com> Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>

bedevere-app · 2025-09-15T16:49:01Z

GH-138942 is a backport of this pull request to the 3.13 branch.

…with an invalid value for macOS (GH-138089) (GH-138942) Signed-off-by: yihong0618 <zouzou0208@gmail.com> Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com> (cherry picked from commit 8ef7735)

…with an invalid value for macOS (GH-138089) (#138938) Co-authored-by: yihong <zouzou0208@gmail.com> Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>

fix: close issue#128636for mac make is_mac at init
1b8a228
Signed-off-by: yihong0618 <zouzou0208@gmail.com>

yihong0618 requested review from ambv, lysnikolaou and pablogsal as code owners August 23, 2025 13:58

bedevere-appBot added the awaiting review label Aug 23, 2025

This was referenced Aug 23, 2025
Py313 REPL crash on malformed os.environ#128636
Closed
gh-128636: Fix crash in PyREPL when os.environ is overwritten with an invalid value #128653
Merged

fix: mypy check issue
ae9d55f
Signed-off-by: yihong0618 <zouzou0208@gmail.com>

picnixz changed the title ~~[3.13] gh-128636: Fix crash in PyREPL when os.environ is overwritten with an invalid value for mac(GH-128653)~~ gh-128636: Fix crash in PyREPL when os.environ is overwritten with an invalid value for macAug 23, 2025

picnixz reviewed Aug 23, 2025
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Comment threadLib/_pyrepl/unix_console.py Outdated

fix: delete copilot tab useless comments
b838c04
Signed-off-by: yihong0618 <zouzou0208@gmail.com>

picnixz reviewed Aug 23, 2025
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Comment threadLib/_pyrepl/reader.py Outdated
Comment threadLib/_pyrepl/unix_console.py

fix: address comments
738d41e
Signed-off-by: yihong0618 <zouzou0208@gmail.com>

yihong0618 added 3 commits August 24, 2025 10:22

fix: add tests for the change
a0a5cf3
Signed-off-by: yihong0618 <zouzou0208@gmail.com>

fix: test is wrong
2e9faf7
Signed-off-by: yihong0618 <zouzou0208@gmail.com>

Merge branch 'main' into hy/close_issue_128636_for_mac
3a25033

yihong0618 requested a review from picnixz August 24, 2025 08:12

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Comment threadLib/test/test_pyrepl/test_unix_console.py Outdated

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yihong0618 added 2 commits August 24, 2025 17:17

fix: address review comments
c7cbd22
Signed-off-by: yihong0618 <zouzou0208@gmail.com>

Merge branch 'hy/close_issue_128636_for_mac' ofhttps://github.com/yi…
53aa617
…hong0618/cpython into hy/close_issue_128636_for_mac

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ambv reviewed Aug 25, 2025
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Comment threadLib/_colorize.py Outdated

fix: address commnets better way with safe_get
fe34228
Signed-off-by: yihong0618 <zouzou0208@gmail.com>

yihong0618 requested a review from ambv August 25, 2025 13:49

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Comment threadLib/test/test_pyrepl/test_unix_console.py Outdated
Comment threadLib/test/test_pyrepl/test_unix_console.py Outdated
Comment threadLib/_colorize.py

fix: address comments again
3177b0a
Signed-off-by: yihong0618 <zouzou0208@gmail.com>

yihong0618 requested a review from hugovk August 25, 2025 20:55

yihong0618 requested a review from picnixz September 3, 2025 14:05

picnixz removed their request for review September 6, 2025 14:40

fix: add news for it
5b6c7b3
Signed-off-by: yihong0618 <zouzou0208@gmail.com>

ambv merged commit 8ef7735 into python:mainSep 15, 2025
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ambv added needs backport to 3.13 bugs and security fixes needs backport to 3.14 bugs and security fixes labels Sep 15, 2025

miss-islington-appBot assigned ambv Sep 15, 2025

bedevere-appBot removed the needs backport to 3.14 bugs and security fixes label Sep 15, 2025

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