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Add PurePath.with_stem() #84329

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timhoffm mannequin opened this issue Apr 2, 2020 · 4 comments
Closed

Add PurePath.with_stem() #84329

timhoffm mannequin opened this issue Apr 2, 2020 · 4 comments
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3.9 only security fixes stdlib Python modules in the Lib dir type-feature A feature request or enhancement

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@timhoffm
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timhoffm mannequin commented Apr 2, 2020

BPO 40148
Nosy @brettcannon, @pitrou, @timhoffm
PRs
  • bpo-40148 Add PurePath.with_stem() #19295
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    Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee = None
closed_at = <Date 2020-04-19.15:30:07.552>
created_at = <Date 2020-04-02.00:40:24.877>
labels = ['type-feature', 'library', '3.9']
title = 'Add PurePath.with_stem()'
updated_at = <Date 2020-12-27.01:42:41.890>
user = 'https://github.com/timhoffm'

    bugs.python.org fields:

    activity = <Date 2020-12-27.01:42:41.890>
actor = 'tinyaoqi'
assignee = 'none'
closed = True
closed_date = <Date 2020-04-19.15:30:07.552>
closer = 'pitrou'
components = ['Library (Lib)']
creation = <Date 2020-04-02.00:40:24.877>
creator = 'timhoffm'
dependencies = []
files = []
hgrepos = []
issue_num = 40148
keywords = ['patch']
message_count = 4.0
messages = ['365540', '365608', '366785', '383834']
nosy_count = 4.0
nosy_names = ['brett.cannon', 'pitrou', 'timhoffm', 'tinyaoqi']
pr_nums = ['19295']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue40148'
versions = ['Python 3.9']
    @timhoffm
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    timhoffm mannequin commented Apr 2, 2020

    Similar to PurePath.with_name() and PurePath.with_suffix() there should be a PurePath.with_stem().

    A common use case would be appending something before the suffix: path.with_stem(path.stem + '_v2')

    As of now this must be written more cumbersome as:
    path.with_name(path.stem + '_v2' + path.suffix)

    @timhoffm timhoffm mannequin added the stdlib Python modules in the Lib dir label Apr 2, 2020
    @SilentGhost SilentGhost mannequin added 3.9 only security fixes type-feature A feature request or enhancement labels Apr 2, 2020
    @brettcannon
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    I personally would rather not add more methods that are doing simple string manipulations.

    @pitrou
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    pitrou commented Apr 19, 2020

    New changeset 8aea4b3 by Tim Hoffmann in branch 'master':
    bpo-40148: Add PurePath.with_stem() (GH-19295)
    8aea4b3

    @pitrou pitrou closed this as completed Apr 19, 2020
    @pitrou pitrou closed this as completed Apr 19, 2020
    @tinyaoqi
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    tinyaoqi mannequin commented Dec 27, 2020

    In Pathlib, we have functions "with_name()""with_stem()""with_suffix()" to modify the file name in the path.

    In bpo-21798:"Allow adding Path or str to Path", it actually also want to modify the file name, that is "appand string to file name".

    if with_stem() more cumbersome as:
path.with_name(path.stem + '_v2' + path.suffix)

    why not have a function with_xxxx() more cumbersome as:
    path.with_name(path.name + "_name.dat")

    @ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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