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gh-139246: zero-width word paste can be wrong in default repl#139254

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encukou merged 4 commits intopython:mainfrom
yihong0618:hy/close_issue_139246
Oct 30, 2025
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gh-139246: zero-width word paste can be wrong in default repl#139254
encukou merged 4 commits intopython:mainfrom
yihong0618:hy/close_issue_139246

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@yihong0618 yihong0618 commented Sep 23, 2025 •
edited by bedevere-app bot
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fix: zero-width word paste can be wrong in default repl
30e130f 
Signed-off-by: yihong0618 <zouzou0208@gmail.com>
@yihong0618 yihong0618 changed the title fix: zero-width word paste can be wrong in default repl gh-139246: zero-width word paste can be wrong in default repl Sep 23, 2025
@bedevere-app bedevere-app bot mentioned this pull request Sep 23, 2025
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grayjk
grayjk suggested changes Sep 23, 2025
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@yihong0618
fix: address comments
07aa4bc 
Signed-off-by: yihong0618 <zouzou0208@gmail.com>
@yihong0618 yihong0618 requested a review from grayjk September 24, 2025 00:14
@yihong0618 yihong0618 marked this pull request as ready for review September 24, 2025 00:14
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apply suggestion Lib/_pyrepl/utils.py
41d2865 
Co-authored-by: grayjk <grayjk@gmail.com>
grayjk
grayjk reviewed Sep 24, 2025
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Lib/_pyrepl/utils.py
@@ -63,6 +63,14 @@ class ColorSpan(NamedTuple):
def str_width(c: str) -> int:
if ord(c) < 128:
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@grayjk grayjk Sep 24, 2025

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unrelated to this issue but quite a few of the characters with ord < 128, do not have a display width of 1

for example, in my terminal, tab (ord 9) is 8 charaters wide

something to consider for a future PR

@yihong0618 yihong0618 mentioned this pull request Oct 23, 2025
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encukou
encukou reviewed Oct 30, 2025
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Lib/_pyrepl/utils.py Outdated
category = unicodedata.category(c)
if category == "Cf" and c != "\u00ad":
return 0
if "\u2028" <= c <= "\u2029":
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Hmm, what terminal are you using? Here (on VTE) these take up one cell.

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@yihong0618 yihong0618 Oct 30, 2025

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mac with kitty

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if \u2028 and \u2029 aren't consistent across terminals, could remove this condition since it is unrelated to the original issue

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of course will do it

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fixed

@yihong0618
fix: apply suggestion
8bde6aa 
Signed-off-by: yihong0618 <zouzou0208@gmail.com>
@encukou encukou merged commit 4e6dba0 into python:main Oct 30, 2025
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@encukou encukou added needs backport to 3.13 bugs and security fixes needs backport to 3.14 bugs and security fixes labels Oct 30, 2025
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miss-islington-app bot commented Oct 30, 2025

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

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miss-islington-app bot commented Oct 30, 2025

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

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miss-islington-app bot commented Oct 30, 2025

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

cherry_picker 4e6dba0ef74523a52f66547c16b9972664b18fd4 3.13

miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Oct 30, 2025
@yihong0618 @grayjk @miss-islington
pythongh-139246: zero-width word paste can be wrong in default repl (p…
1d1a971 
…ythonGH-139254)

(cherry picked from commit 4e6dba0)

Co-authored-by: yihong <zouzou0208@gmail.com>
Signed-off-by: yihong0618 <zouzou0208@gmail.com>
Co-authored-by: grayjk <grayjk@gmail.com>
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bedevere-app bot commented Oct 30, 2025

GH-140796 is a backport of this pull request to the 3.14 branch.

@bedevere-app bedevere-app bot removed the needs backport to 3.14 bugs and security fixes label Oct 30, 2025
StanFromIreland pushed a commit to StanFromIreland/cpython that referenced this pull request Nov 6, 2025
@yihong0618 @grayjk @StanFromIreland
[3.13] pythongh-139246: zero-width word paste can be wrong in default…
1a8b6b5 
… repl (pythonGH-139254)

(cherry picked from commit 4e6dba0)

Co-authored-by: yihong <zouzou0208@gmail.com>
Signed-off-by: yihong0618 <zouzou0208@gmail.com>
Co-authored-by: grayjk <grayjk@gmail.com>
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bedevere-app bot commented Nov 6, 2025

GH-141166 is a backport of this pull request to the 3.13 branch.

@bedevere-app bedevere-app bot removed the needs backport to 3.13 bugs and security fixes label Nov 6, 2025
encukou pushed a commit that referenced this pull request Nov 7, 2025
@miss-islington @yihong0618 @grayjk
[3.14] gh-139246: zero-width word paste can be wrong in default repl (G…
d729087 
…H-139254) (GH-140796)

gh-139246: zero-width word paste can be wrong in default repl (GH-139254)

(cherry picked from commit 4e6dba0)

Signed-off-by: yihong0618 <zouzou0208@gmail.com>
Co-authored-by: yihong <zouzou0208@gmail.com>
Co-authored-by: grayjk <grayjk@gmail.com>
encukou pushed a commit that referenced this pull request Nov 7, 2025
@StanFromIreland @yihong0618 @grayjk
[3.13] gh-139246: zero-width word paste can be wrong in default repl (G…
0923704 
…H-139254) (GH-141166)

(cherry picked from commit 4e6dba0)

Signed-off-by: yihong0618 <zouzou0208@gmail.com>
Co-authored-by: yihong <zouzou0208@gmail.com>
Co-authored-by: grayjk <grayjk@gmail.com>
StanFromIreland pushed a commit to StanFromIreland/cpython that referenced this pull request Dec 6, 2025
@yihong0618 @grayjk @StanFromIreland
pythongh-139246: zero-width word paste can be wrong in default repl (p…
7281913 
…ythonGH-139254)

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