python / python/cpython

WinError(): Python int too large to convert to C long

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3.11 3.12 OS-windows topic-ctypes type-bug
Dominant language
Python
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Description

BPO 28474
Nosy @pfmoore, @amauryfa, @abalkin, @tjguk, @meadori, @zware, @eryksun, @zooba, @MojoVampire, @ameily
PRs
  • python/cpython#27959
  • 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 2016-10-19.07:28:00.932>
    labels = ['type-bug', '3.8', '3.9', '3.10', 'ctypes', 'OS-windows']
    title = 'WinError(): Python int too large to convert to C long'
    updated_at = <Date 2021-08-26.01:28:22.054>
    user = 'https://bugs.python.org/KelvinYou'
    

    bugs.python.org fields:

    activity = <Date 2021-08-26.01:28:22.054>
    actor = 'meilyadam'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['Windows', 'ctypes']
    creation = <Date 2016-10-19.07:28:00.932>
    creator = 'Kelvin You'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 28474
    keywords = ['patch']
    message_count = 8.0
    messages = ['278963', '279005', '279008', '279009', '279033', '279047', '387744', '400134']
    nosy_count = 11.0
    nosy_names = ['paul.moore', 'amaury.forgeotdarc', 'belopolsky', 'tim.golden', 'meador.inge', 'zach.ware', 'eryksun', 'steve.dower', 'josh.r', 'meilyadam', 'Kelvin You']
    pr_nums = ['27959']
    priority = 'normal'
    resolution = None
    stage = 'patch review'
    status = 'open'
    superseder = None
    type = 'behavior'
    url = 'https://bugs.python.org/issue28474'
    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

    Start by reviewing the linked python/cpython#27959 pull request and the BPO issue 28474 discussion. The issue is labeled for Windows and ctypes, but names no source file or test. Done means resolving the reported WinError conversion failure with appropriate coverage, as established by the existing patch and discussion.

    Written by the indexing model from the issue text.

    Assessment

    Tech stack
    python
    Domain
    operating-systems
    Issue type
    Bug
    Difficulty
    4/5
    Estimated time
    3-5 days
    Activity status
    Stale
    Clarity
    Needs clarification
    Newbie friendliness
    15/100

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