python / python/cpython

subprocess.Popen should not emit a ResourceWarning for a detached process

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3.10 3.8 (EOL) 3.9 (EOL) OS-windows stdlib topic-subprocess type-bug
Dominant language
Python
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Description

BPO 38890
Nosy @gpshead, @pfmoore, @tjguk, @zware, @eryksun, @zooba, @ShaneHarvey
Files
  • test_daemon_win.py
  • 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 2019-11-22.00:04:09.952>
    labels = ['type-bug', '3.8', '3.9', '3.10', 'library', 'OS-windows']
    title = 'subprocess.Popen should not emit a ResourceWarning for a detached process'
    updated_at = <Date 2021-03-20.23:05:48.367>
    user = 'https://github.com/ShaneHarvey'
    

    bugs.python.org fields:

    activity = <Date 2021-03-20.23:05:48.367>
    actor = 'gregory.p.smith'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['Library (Lib)', 'Windows']
    creation = <Date 2019-11-22.00:04:09.952>
    creator = 'ShaneHarvey'
    dependencies = []
    files = ['48738']
    hgrepos = []
    issue_num = 38890
    keywords = []
    message_count = 6.0
    messages = ['357237', '357451', '357455', '357458', '388906', '389196']
    nosy_count = 8.0
    nosy_names = ['gregory.p.smith', 'paul.moore', 'tim.golden', 'zach.ware', 'eryksun', 'steve.dower', 'behackett', 'ShaneHarvey']
    pr_nums = []
    priority = 'normal'
    resolution = None
    stage = None
    status = 'open'
    superseder = None
    type = 'behavior'
    url = 'https://bugs.python.org/issue38890'
    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 with the attached test_daemon_win.py and the subprocess.Popen behavior for detached processes on Windows. Reproduce the ResourceWarning, then determine the expected no-warning behavior and add regression coverage in the relevant test file.

    Written by the indexing model from the issue text.

    Assessment

    Tech stack
    python
    Domain
    operating-systems
    Issue type
    Bug
    Difficulty
    3/5
    Estimated time
    1-2 days
    Activity status
    Stale
    Clarity
    Needs clarification
    Newbie friendliness
    30/100

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