concurrent.futures.ProcessPoolExecutor is unable to forward exceptions with state.

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Issue 类型
缺陷
描述清晰度
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活跃度
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技术栈
python

调研方向

首先运行链接的 repro.py,观察 ProcessPoolExecutor 如何未能转发异常状态。跟踪负责传播 worker 异常的 ProcessPoolExecutor 路径,并确定涵盖此行为的现有测试;完成的标准是复现能够在转发异常状态时保留该状态。

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描述

3.9 (EOL) stdlib topic-multiprocessing type-bug
BPO 42769
Files
  • repro.py: Minimal code example which illustrate the bug.
  • 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 2020-12-28.16:37:04.784>
    labels = ['type-bug', 'library', '3.9']
    title = 'concurrent.futures.ProcessPoolExecutor is unable to forward exceptions with state.'
    updated_at = <Date 2020-12-28.16:37:04.784>
    user = 'https://bugs.python.org/damienlevac'
    

    bugs.python.org fields:

    activity = <Date 2020-12-28.16:37:04.784>
    actor = 'damien.levac'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['Library (Lib)']
    creation = <Date 2020-12-28.16:37:04.784>
    creator = 'damien.levac'
    dependencies = []
    files = ['49703']
    hgrepos = []
    issue_num = 42769
    keywords = []
    message_count = 1.0
    messages = ['383903']
    nosy_count = 1.0
    nosy_names = ['damien.levac']
    pr_nums = []
    priority = 'normal'
    resolution = None
    stage = None
    status = 'open'
    superseder = None
    type = 'behavior'
    url = 'https://bugs.python.org/issue42769'
    versions = ['Python 3.9']
    

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