python / python/cpython

The tempfile._infer_return_type function cannot infer the type of os.PathLike objects.

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3.10 3.7 (EOL) 3.8 (EOL) 3.9 (EOL) stdlib type-bug
Dominant language
Python
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Description

BPO 45192
Nosy @ambv, @miss-islington, @akulakov, @rekyungmin
PRs
  • python/cpython#28323
  • python/cpython#29111
  • python/cpython#29112
  • 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 2021-09-14.05:44:04.045>
    labels = ['type-bug', '3.8', '3.9', '3.10', '3.7', 'library']
    title = 'The tempfile._infer_return_type function cannot infer the type of os.PathLike objects.'
    updated_at = <Date 2021-10-20.21:27:38.952>
    user = 'https://github.com/rekyungmin'
    

    bugs.python.org fields:

    activity = <Date 2021-10-20.21:27:38.952>
    actor = 'lukasz.langa'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['Library (Lib)']
    creation = <Date 2021-09-14.05:44:04.045>
    creator = 'rekyungmin'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 45192
    keywords = ['patch']
    message_count = 6.0
    messages = ['401754', '401755', '404139', '404523', '404528', '404529']
    nosy_count = 4.0
    nosy_names = ['lukasz.langa', 'miss-islington', 'andrei.avk', 'rekyungmin']
    pr_nums = ['28323', '29111', '29112']
    priority = 'normal'
    resolution = None
    stage = 'patch review'
    status = 'open'
    superseder = None
    type = 'behavior'
    url = 'https://bugs.python.org/issue45192'
    versions = ['Python 3.6', 'Python 3.7', 'Python 3.8', 'Python 3.9', 'Python 3.10']
    

    Contributor guide

    Open the contributing guide

    First steps

    1. Read the whole issue, then the project's contributing guide.
    2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
    3. Fork the repository and make your change on a branch.
    4. Open a pull request that references the issue number.

    Research direction

    Start by locating tempfile._infer_return_type and reviewing the linked pull requests for the proposed handling of os.PathLike objects. Confirm the expected inferred type and corresponding behavior before making changes; done means the function correctly infers types for os.PathLike inputs and the relevant tests pass.

    Written by the indexing model from the issue text.

    Assessment

    Tech stack
    python
    Domain
    backend
    Issue type
    Bug
    Difficulty
    3/5
    Estimated time
    1-2 days
    Activity status
    Stale
    Clarity
    Mostly clear
    Newbie friendliness
    20/100

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