python / python/cpython

asyncio.Queue: putting items out of order when it is full

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topic-asyncio type-bug
Dominant language
Python
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Description

BPO 38874
Nosy @asvetlov, @1st1, @MojoVampire, @rhdxmr
Files
  • poc-oooput.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 2019-11-21.03:25:54.744>
    labels = ['3.7', 'expert-asyncio']
    title = 'asyncio.Queue: putting items out of order when it is full'
    updated_at = <Date 2019-11-27.03:57:51.152>
    user = 'https://github.com/rhdxmr'
    

    bugs.python.org fields:

    activity = <Date 2019-11-27.03:57:51.152>
    actor = 'josh.r'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['asyncio']
    creation = <Date 2019-11-21.03:25:54.744>
    creator = 'esrse'
    dependencies = []
    files = ['48740']
    hgrepos = []
    issue_num = 38874
    keywords = []
    message_count = 6.0
    messages = ['357129', '357130', '357132', '357166', '357247', '357553']
    nosy_count = 4.0
    nosy_names = ['asvetlov', 'yselivanov', 'josh.r', 'esrse']
    pr_nums = []
    priority = 'normal'
    resolution = None
    stage = None
    status = 'open'
    superseder = None
    type = None
    url = 'https://bugs.python.org/issue38874'
    versions = ['Python 3.7']
    

    Linked PRs
    • gh-112496
    • gh-112501

    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 running the uploaded poc-oooput.py reproducer and then read the asyncio.Queue implementation and its related tests. Confirm the observed ordering when the queue is full, and review linked PRs gh-112496 and gh-112501 before deciding whether any work remains.

    Written by the indexing model from the issue text.

    Assessment

    Tech stack
    python
    Domain
    backend
    Issue type
    Bug
    Difficulty
    4/5
    Estimated time
    3-5 days
    Activity status
    Stale
    Clarity
    Needs clarification
    Newbie friendliness
    25/100

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