[issue41766] Python3.10 (x64) crashes after flake8/pyflakes on Windows

[STINNER Victor]

Change by STINNER Victor :


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resolution:  -> duplicate
superseder:  -> _ast module: get_global_ast_state() doesn't work with Mercurial 
lazy import

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[issue41766] Python3.10 (x64) crashes after flake8/pyflakes on Windows

[neonene]

neonene  added the comment:

I applied PR 21961 to master and comfirmed no crash.
I'll close this issue. Thanks　for your quick reply.

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stage:  -> resolved
status: open -> closed

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[issue41766] Python3.10 (x64) crashes after flake8/pyflakes on Windows

[STINNER Victor]

STINNER Victor  added the comment:

If it's another _ast regression, see bpo-41631: I proposed PR 21961 to fix it.

I failed to reproduce the issue on Linux with a debug build, on the development 
master branch:

./python -m venv env
env/bin/python -m pip install pyflakes flake8
env/bin/python -m pyflakes Lib/turtle.py 
env/bin/python -m flake8 Lib/turtle.py

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[issue41766] Python3.10 (x64) crashes after flake8/pyflakes on Windows

[neonene]

Change by neonene :


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nosy: +pablogsal, vstinner -paul.moore, steve.dower, tim.golden, zach.ware

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[issue41766] Python3.10 (x64) crashes after flake8/pyflakes on Windows

[neonene]

New submission from neonene :

On Python3.10(64bit only) for Windows,
flake8 (with .pyc cache) frequently crashes after output.

e.g:
python -m flake8   c:/Python3/Lib/turtle.py
python -m pyflakes c:/Python3/Lib/turtle.py

I think I encountered the crash after PR21293 applied.
(bpo-41194: "Convert _ast extension to PEP 489")

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components: Interpreter Core, Windows
messages: 376747
nosy: neonene, paul.moore, steve.dower, tim.golden, zach.ware
priority: normal
severity: normal
status: open
title: Python3.10 (x64) crashes after flake8/pyflakes on Windows
type: crash
versions: Python 3.10

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