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assertion failure in _warnings.warn() in case of a bad __name__ global #75747

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orenmn mannequin opened this issue Sep 24, 2017 · 3 comments
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assertion failure in _warnings.warn() in case of a bad __name__ global #75747

orenmn mannequin opened this issue Sep 24, 2017 · 3 comments
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3.7 (EOL) end of life extension-modules C modules in the Modules dir type-crash A hard crash of the interpreter, possibly with a core dump

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@orenmn
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orenmn mannequin commented Sep 24, 2017

BPO 31566
Nosy @serhiy-storchaka, @orenmn
PRs
  • bpo-31566: Fix an assertion failure in _warnings.warn() in case of a bad __name__ global #3717
  • [3.6] bpo-31566: Fix an assertion failure in _warnings.warn() in case of a bad __name__ global. (GH-3717) #3730
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    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 2017-09-27.05:01:23.965>
created_at = <Date 2017-09-24.06:53:40.936>
labels = ['extension-modules', '3.7', 'type-crash']
title = 'assertion failure in _warnings.warn() in case of a bad __name__ global'
updated_at = <Date 2017-09-27.05:01:23.963>
user = 'https://github.com/orenmn'

    bugs.python.org fields:

    activity = <Date 2017-09-27.05:01:23.963>
actor = 'serhiy.storchaka'
assignee = 'none'
closed = True
closed_date = <Date 2017-09-27.05:01:23.965>
closer = 'serhiy.storchaka'
components = ['Extension Modules']
creation = <Date 2017-09-24.06:53:40.936>
creator = 'Oren Milman'
dependencies = []
files = []
hgrepos = []
issue_num = 31566
keywords = ['patch']
message_count = 3.0
messages = ['302829', '302877', '302885']
nosy_count = 2.0
nosy_names = ['serhiy.storchaka', 'Oren Milman']
pr_nums = ['3717', '3730']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'crash'
url = 'https://bugs.python.org/issue31566'
versions = ['Python 3.6', 'Python 3.7']
    @orenmn
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    orenmn mannequin commented Sep 24, 2017

    The following code causes an assertion failure:
    __name__ = b'foo'
    __file__ = None
    import _warnings
    _warnings.warn('bar')

    This is because setup_context() (in Python/_warnings.c) assumes that __name__
    is a string, and so it passes it to _PyUnicode_EqualToASCIIString(), which
    asserts it is a string.

    @orenmn orenmn mannequin added 3.7 (EOL) end of life extension-modules C modules in the Modules dir type-crash A hard crash of the interpreter, possibly with a core dump labels Sep 24, 2017
    @serhiy-storchaka
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    New changeset 5d3e800 by Serhiy Storchaka (Oren Milman) in branch 'master':
    bpo-31566: Fix an assertion failure in _warnings.warn() in case of a bad __name__ global. (bpo-3717)
    5d3e800

    @serhiy-storchaka
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    New changeset 415cc1f by Serhiy Storchaka (Miss Islington (bot)) in branch '3.6':
    [3.6] bpo-31566: Fix an assertion failure in _warnings.warn() in case of a bad __name__ global. (GH-3717) (bpo-3730)
    415cc1f

    @ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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