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PyErr_Warn may cause import deadlock #37950

@mhammond

Description

@mhammond
BPO 683658
Nosy @gvanrossum, @mhammond, @tiran
Files
  • hang_apply.py: Import this to demo the deadlock
  • hang_apply.patch: Possible patch
  • import_lock_2.patch: Fix that was checked in
  • 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 = <Date 2008-01-19.20:29:54.502>
    created_at = <Date 2003-02-10.00:26:08.000>
    labels = ['interpreter-core']
    title = 'PyErr_Warn may cause import deadlock'
    updated_at = <Date 2008-01-19.20:29:54.501>
    user = 'https://github.com/mhammond'

    bugs.python.org fields:

    activity = <Date 2008-01-19.20:29:54.501>
    actor = 'georg.brandl'
    assignee = 'none'
    closed = True
    closed_date = <Date 2008-01-19.20:29:54.502>
    closer = 'georg.brandl'
    components = ['Interpreter Core']
    creation = <Date 2003-02-10.00:26:08.000>
    creator = 'mhammond'
    dependencies = []
    files = ['787', '788', '789']
    hgrepos = []
    issue_num = 683658
    keywords = ['patch']
    message_count = 21.0
    messages = ['14540', '14541', '14542', '14543', '14544', '14545', '14546', '14547', '14548', '14549', '14550', '14551', '14552', '14553', '14554', '14555', '14556', '14557', '59186', '59190', '59191']
    nosy_count = 6.0
    nosy_names = ['gvanrossum', 'jhylton', 'mhammond', 'nnorwitz', 'jvr', 'christian.heimes']
    pr_nums = []
    priority = 'low'
    resolution = None
    stage = None
    status = 'closed'
    superseder = None
    type = None
    url = 'https://bugs.python.org/issue683658'
    versions = ['Python 2.5']

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