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GH-99293: Fix stale method caches and assertion errors in SWIG-generated modules

1

Extension modules generated by SWIG up to version 4.1.0 clear the Py_TPFLAGS_VALID_VERSION_TAG bit from tp_flags when modifying the type, as they should, but do not update tp_version_tag as typeobject.c expects....

Yhg1s

Create Lib/_pydatetime.py file to optimize "import datetime" when _datetime is available

23

BPO | [40799](https://bugs.python.org/issue40799) --- | :--- Nosy | @vstinner, @ezio-melotti, @serhiy-storchaka, @pganssle, @shihai1991 PRs | python/cpython#20472 *Note: these values reflect the state of the issue at the time it was...

vstinner

GH-99205: Mark new interpreters and threads as non-static

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* Issue: gh-99205

brandtbucher

Unnecessarily slow turtle rotations

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# Bug report Two similar drawings can widely differ in terms of speed, resulting in a counter-intuitive experience for the end-user. This is independent from the plateform (OS, architecture) and...

didoudiaz

This code works ``` class A: data = ' ' remains = [c for c in data] ``` This code gives us `NameError: name 'data' is not defined` ``` class...

matesken

SSL is broken on python 3.11 on M1 mac running Monterey

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Despite installing python 3.11 pkg from the python website and running the Install Certificates script which completes without error, I still get ssl certificate verify failed whenever I try to...

pragbatra-mendel

functools.singledispatchfunction has confusing error message if no positional arguments are passed in

2

BPO | [41122](https://bugs.python.org/issue41122) --- | :--- Nosy | @rhettinger, @ambv, @mgrandi, @ammaraskar, @mental32, @AlexWaygood PRs | python/cpython#21471python/cpython#23212 *Note: these values reflect the state of the issue at the time it...

6752910b-8c0e-4e9b-bdd2-0bbadb707f5e

bpo-39734: Deprecate the readinto() fallback path in _pickle.c

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https://bugs.python.org/issue39734

ZackerySpytz

GH-98831: Remove all remaining DISPATCH() calls from bytecodes.c

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Also mark those opcodes that have no stack effect as such (`inst(FOO)` -> `inst(FOO, (--))`). * Issue: gh-98831

gvanrossum

gh-98707: Don't let --with-system-libmpdec / --with-system-expat use the vendored headers

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This was a regression in Python 3.12.0a2 that prevented Fedora doing this: $ rm -r Modules/_decimal/libmpdec $ rm -r Modules/expat Before building Python with --with-system-libmpdec --with-system-expat. The errors were: make:...

hroncok