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GeezerVison is showing github.com — gh-100609: Render an unnamed zipfile as ":zipfile:" in `zipfile.Path` by jaraco · Pull Request #160103 · python/cpython

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@jaraco

@jaraco jaraco commented Oct 21, 2026 •
edited by bedevere-app Bot
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str() of a zipfile.Path whose underlying zipfile has no filename — most
commonly one constructed from an io.BytesIO — raised TypeError, because
posixpath.join was handed None:

>>> import io, zipfile
>>> str(zipfile.Path(zipfile.ZipFile(io.BytesIO(), 'w')))
TypeError: expected str, bytes or os.PathLike object, not NoneType

Such a zipfile now renders its filename as :zipfile:, and the root of a
zipfile is no longer rendered with a trailing slash.

This synchronizes the fix from zipp
3.23.1, extracted from a
larger zipfile.Path refresh so it can land and be backported as an isolated
bugfix.

🤖 Generated with Claude Code

  • Issue: str(zipfile.Path()) not working when root attribute is io.BytesIO #100609

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@jaraco @claude
pythongh-100609: Render an unnamed zipfile as ":zipfile:" in `zipfile…
ce2f088 
….Path`

Synchronizes the fix from zipp 3.23.1. `str()` of a `zipfile.Path` whose
zipfile has no filename previously raised `TypeError`.

Co-Authored-By: Claude Opus 5 <[email protected]>
@bedevere-app bedevere-app Bot mentioned this pull request Oct 21, 2026
str(zipfile.Path()) not working when root attribute is io.BytesIO #100609
Closed
@bedevere-app bedevere-app Bot added the awaiting core review label Oct 21, 2026
@jaraco jaraco added needs backport to 3.14 bugs and security fixes needs backport to 3.15 bugs and security fixes labels Oct 21, 2026
@jaraco jaraco mentioned this pull request Oct 21, 2026
gh-160104: Refresh zipfile.Path from zipp 4.1.2 #160105
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@jaraco

jaraco commented Oct 21, 2026

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Merging as previously reviewed by @barneygale in zipp.

(sorry for the delay)
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@jaraco
jaraco enabled auto-merge (squash) October 21, 2026 19:34
@jaraco
jaraco merged commit ba96fab into python:main Oct 21, 2026
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@miss-islington-app

miss-islington-app Bot commented Oct 21, 2026

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Thanks @jaraco for the PR 🌮🎉.. I'm working now to backport this PR to: 3.14, 3.15.
🐍🍒⛏🤖
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@bedevere-app bedevere-app Bot removed the awaiting core review label Oct 21, 2026
@miss-islington-app

miss-islington-app Bot commented Oct 21, 2026

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Sorry, @jaraco, I could not cleanly backport this to 3.14 due to a conflict.

Please backport manually with cherry_picker, see the devguide for more information.

cherry_picker ba96fab7348310651dcabadc1f4e954949e0e05a 3.14
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@bedevere-app

bedevere-app Bot commented Oct 21, 2026

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GH-160118 is a backport of this pull request to the 3.15 branch.
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@bedevere-app bedevere-app Bot removed the needs backport to 3.15 bugs and security fixes label Oct 21, 2026
@miss-islington-app miss-islington-app Bot assigned jaraco Oct 21, 2026
@bedevere-app

bedevere-app Bot commented Oct 21, 2026

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GH-160124 is a backport of this pull request to the 3.14 branch.
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@bedevere-app bedevere-app Bot removed the needs backport to 3.14 bugs and security fixes label Oct 21, 2026
@jaraco jaraco mentioned this pull request Oct 21, 2026
[3.14] gh-100609: Render an unnamed zipfile as ":zipfile:" in zipfile.Path (GH-160103) #160124
Merged
jaraco added a commit that referenced this pull request Oct 21, 2026
@miss-islington @jaraco @claude
[3.15] gh-100609: Render an unnamed zipfile as ":zipfile:" in `zipfil…
bfccf0f 
…e.Path` (GH-160103) (#160118)

gh-100609: Render an unnamed zipfile as ":zipfile:" in `zipfile.Path` (GH-160103)

Synchronizes the fix from zipp 3.23.1. `str()` of a `zipfile.Path` whose
zipfile has no filename previously raised `TypeError`.
(cherry picked from commit ba96fab)

Co-authored-by: Jason R. Coombs <[email protected]>
Co-authored-by: Claude Opus 5 <[email protected]>
jaraco added a commit that referenced this pull request Oct 21, 2026
@jaraco @claude
[3.14] gh-100609: Render an unnamed zipfile as ":zipfile:" in `zipfil…
ba0e4a4 
…e.Path` (GH-160103) (#160124)

Synchronizes the fix from zipp 3.23.1. `str()` of a `zipfile.Path` whose
zipfile has no filename previously raised `TypeError`.
(cherry picked from commit ba96fab)

Co-authored-by: Claude Opus 5 <[email protected]>
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@jaraco
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