subprocess.communicate with timeout 0 and already terminated process generates TimeoutExpired on Linux

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難度
3/5
預估耗時
1-2 天
新手友好度
35/100
Issue 類型
缺陷
描述清晰度
基本清楚
活躍度
停滯
技術堆疊
python

研究方向

首先在 Linux 上執行 test.py 中的最小重現,並檢查 subprocess.communicate 如何處理已終止程序的 timeout=0。完成的標準是此情況不再引發 TimeoutExpired,同時保留對尚未終止程序的預期 timeout 行為。

由索引模型根據 Issue 內容生成。

描述

stdlib topic-subprocess type-bug
BPO 29472
Nosy @Griffon26, @spoorcc
Files
  • test.py: A minimal example that shows the problem
  • 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 2017-02-07.11:57:14.624>
    labels = ['type-bug', 'library']
    title = 'subprocess.communicate with timeout 0 and already terminated process generates TimeoutExpired on Linux'
    updated_at = <Date 2017-02-07.12:36:53.465>
    user = 'https://github.com/Griffon26'
    

    bugs.python.org fields:

    activity = <Date 2017-02-07.12:36:53.465>
    actor = 'spoorcc'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['Library (Lib)']
    creation = <Date 2017-02-07.11:57:14.624>
    creator = 'Griffon26'
    dependencies = []
    files = ['46557']
    hgrepos = []
    issue_num = 29472
    keywords = []
    message_count = 1.0
    messages = ['287230']
    nosy_count = 2.0
    nosy_names = ['Griffon26', 'spoorcc']
    pr_nums = []
    priority = 'normal'
    resolution = None
    stage = None
    status = 'open'
    superseder = None
    type = 'behavior'
    url = 'https://bugs.python.org/issue29472'
    versions = ['Python 3.6']
    

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