python / python/cpython

Type annotations lost when using wraps by default

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stdlib topic-typing type-bug
Dominant language
Python
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Description

BPO 41231
Nosy @terryjreedy, @david-caro
PRs
  • python/cpython#21392
  • 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 2020-07-07.17:29:15.754>
    labels = ['3.8', 'type-bug', 'library', '3.9', '3.10']
    title = 'Type annotations lost when using wraps by default'
    updated_at = <Date 2020-07-11.01:56:16.679>
    user = 'https://github.com/david-caro'
    

    bugs.python.org fields:

    activity = <Date 2020-07-11.01:56:16.679>
    actor = 'terry.reedy'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['Library (Lib)']
    creation = <Date 2020-07-07.17:29:15.754>
    creator = 'David Caro'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 41231
    keywords = ['patch']
    message_count = 6.0
    messages = ['373233', '373238', '373258', '373299', '373303', '373497']
    nosy_count = 3.0
    nosy_names = ['terry.reedy', 'Terry Davis', 'David Caro']
    pr_nums = ['21392']
    priority = 'normal'
    resolution = None
    stage = 'patch review'
    status = 'open'
    superseder = None
    type = 'behavior'
    url = 'https://bugs.python.org/issue41231'
    versions = ['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

    The issue concerns Python's wraps behavior and points to PR #21392; begin by reviewing that PR and the relevant wraps entry point. Reproduce the reported loss of type annotations and confirm the behavior is covered before considering the issue complete.

    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
    Needs clarification
    Newbie friendliness
    25/100

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