Add os.path.isrelative() and improve ntpath.isabs()

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Assessment

Difficulty
5/5
Estimated time
Over a week
Newbie friendliness
25/100
Issue type
Feature
Clarity
Mostly clear
Activity status
Stale
Tech stack
python
Domain
operating-systems

Research direction

Review the historical win32_absolute_paths.patch and win32_absolute_paths_2.patch, the ntpath.isabs() behavior, and dependency bpo-15414 before examining linked PR gh-113829. Done means resolving the Windows path semantics and adding os.path.isrelative() with appropriate documentation and tests.

Written by the indexing model from the issue text.

Description

stdlib type-feature
BPO 1669539
Nosy @mhammond, @terryjreedy, @tiran, @tjguk, @ezio-melotti, @bitdancer, @zware, @serhiy-storchaka
Dependencies
  • bpo-15414: os.path.join behavior on Windows (ntpath.join) is not well documented
    		•
    Files
  • win32_absolute_paths.patch: Patch v1
  • win32_absolute_paths_2.patch: Patch v2 - with docs
    		•

    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 = None
created_at = <Date 2007-02-26.23:07:51.000>
labels = ['type-feature', 'library']
title = 'Add os.path.isrelative() and improve ntpath.isabs()'
updated_at = <Date 2019-04-26.17:48:31.669>
user = 'https://bugs.python.org/jongfoster'

    bugs.python.org fields:

    activity = <Date 2019-04-26.17:48:31.669>
actor = 'BreamoreBoy'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2007-02-26.23:07:51.000>
creator = 'jongfoster'
dependencies = ['15414']
files = ['7798', '7799']
hgrepos = []
issue_num = 1669539
keywords = ['patch']
message_count = 15.0
messages = ['51978', '51979', '51980', '51981', '51982', '51983', '51984', '58743', '110297', '117582', '138215', '166066', '218560', '222855', '229053']
nosy_count = 11.0
nosy_names = ['mhammond', 'terry.reedy', 'jorend', 'christian.heimes', 'tim.golden', 'ezio.melotti', 'eckhardt', 'r.david.murray', 'zach.ware', 'serhiy.storchaka', 'mdengler']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue1669539'
versions = ['Python 3.5']

    Linked PRs
    • gh-113829
    Dominant language
    Python
    Stars
    77.2k
    Forks
    36k
    Avg merge
    1d 9h
    Merged PRs (30d)
    558

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