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pathlib.PurePath.with_stem('') promotes file extension to stem #114610

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pathlib.PurePath.with_stem('') promotes file extension to stem#114610
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3.11only security fixes3.12only security fixes3.13only security fixestopic-pathlibtype-bugAn unexpected behavior, bug, or error

Description

@barneygale
barneygale
opened on Jan 26, 2024

Bug report

>>> pathlib.PurePath('foo.jpg').with_stem('').stem
'.jpg'

The with_stem() call should raise ValueError, as it's impossible for a filename to have an empty stem and a non-empty suffix.

Linked PRs

Activity

  1. barneygale
    added
    type-bugAn unexpected behavior, bug, or error
    3.11only security fixes
    3.12only security fixes
    topic-pathlib
    3.13only security fixes
    on Jan 26, 2024
  2. barneygale
    added 6 commits that reference this issue on Jan 26, 2024

    pythonGH-114610: Fix `pathlib.PurePath.with_stem('')` handling of fil…

    1a529ee

    pythonGH-114610: Fix `pathlib._abc.PurePathBase.with_suffix('.ext')` …

    043c64d

    Merge branch 'main' into pythongh-114610-abc

    20f7907

    Merge branch 'main' into pythongh-114610-abc

    c917acc

    GH-114610: Fix `pathlib._abc.PurePathBase.with_suffix('.ext')` handli…

    809eed4

    Merge branch 'main' into pythongh-114610

    514a7e8
  3. aisk
    added a commit that references this issue on Feb 11, 2024

    pythonGH-114610: Fix `pathlib._abc.PurePathBase.with_suffix('.ext')` …

    13a279c
  4. barneygale
    added a commit that references this issue on Feb 24, 2024

    GH-114610: Fix `pathlib.PurePath.with_stem('')` handling of file exte…

    e3dedea
  5. barneygale
    closed this as completedon Feb 24, 2024
  6. woodruffw
    added a commit that references this issue on Mar 4, 2024

    pythonGH-114610: Fix `pathlib.PurePath.with_stem('')` handling of fil…

    368a704
  7. diegorusso
    added a commit that references this issue on Apr 17, 2024

    pythonGH-114610: Fix `pathlib.PurePath.with_stem('')` handling of fil…

    e6f7ef9
  8. LukasWoodtli
    added a commit that references this issue on Jan 22, 2025

    pythonGH-114610: Fix `pathlib.PurePath.with_stem('')` handling of fil…

    fcc52ec
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    3.11only security fixes3.12only security fixes3.13only security fixestopic-pathlibtype-bugAn unexpected behavior, bug, or error

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