multiprocessing.Queue.put can fail silently due to pickle errors

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4/5
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新手友好度
35/100
Issue 类型
缺陷
描述清晰度
基本清楚
活跃度
停滞
技术栈
python
领域
backend

调研方向

首先运行 minimal_repr.py 以复现静默失败,然后跟踪 multiprocessing.Queue.put 及其 pickle 处理逻辑。当报告的 pickle 错误不再被静默处理,并且相关的 multiprocessing 行为已由测试覆盖时,即可完成。

由索引模型根据 Issue 内容生成。

描述

stdlib topic-multiprocessing type-bug
BPO 40195
Files
  • minimal_repr.py: Minimal example for reproducing the behaviour
  • 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 2020-04-05.10:55:01.927>
    labels = ['3.7', 'type-bug', 'library']
    title = 'multiprocessing.Queue.put can fail silently due to pickle errors'
    updated_at = <Date 2020-04-05.10:55:01.927>
    user = 'https://bugs.python.org/SanderLand'
    

    bugs.python.org fields:

    activity = <Date 2020-04-05.10:55:01.927>
    actor = 'Sander Land'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['Library (Lib)']
    creation = <Date 2020-04-05.10:55:01.927>
    creator = 'Sander Land'
    dependencies = []
    files = ['49036']
    hgrepos = []
    issue_num = 40195
    keywords = []
    message_count = 1.0
    messages = ['365816']
    nosy_count = 1.0
    nosy_names = ['Sander Land']
    pr_nums = []
    priority = 'normal'
    resolution = None
    stage = None
    status = 'open'
    superseder = None
    type = 'behavior'
    url = 'https://bugs.python.org/issue40195'
    versions = ['Python 3.7']
    

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