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gh-99284: [ctypes] remove `_use_broken_old_ctypes_structure_semantics_`

1

* Issue: gh-99284

sobolevn

While working on https://github.com/python/cpython/pull/99283 I've noticed this piece of code: https://github.com/python/cpython/blob/0124b5dd28eff7bb80eb7244e97e402a036db13b/Modules/_ctypes/stgdict.c#L360-L364 https://github.com/python/cpython/blob/0124b5dd28eff7bb80eb7244e97e402a036db13b/Modules/_ctypes/stgdict.c#L382-L383 I've never seen this before, so I went and searched for this on the internet: https://cs.github.com/?scopeName=All+repos&scope=&q=_use_broken_old_ctypes_structure_semantics_ Looks like...

sobolevn

No exception set but raise SystemError when setting _fields_ of ctypes.Structure in __init_subclass__

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# Bug report No exception set but raise SystemError when setting `_fields_` of ctypes.Structure in `__init_subclass__` Reproduce code: ``` import ctypes class ParentStructure(ctypes.Structure): def __init_subclass__(cls, **kwargs): cls._fields_ =[('v1',ctypes.c_uint),('v2',ctypes.c_uint),] super().__init_subclass__(**kwargs) class...

nyaoouo

During `__initsubclass__` not all parts required by `PyType_stgdict` are ready. This PR just sets a better error message, without changing the semantics of the type creation. * Issue: gh-99275

sobolevn

PDB set_trace() causes crash "munmap_chunk(): invalid pointer"

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The following small script works on 3.9.13 but when tested on 3.10.7 or 3.11.0rc1 will cause a crash. PyQt version is 6.3.1. I hope this is the right place, and...

hassec

gh-99201: fix IndexError when initializing sysconfig config variables

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* Issue: gh-99201

FFY00

gh-99277: remove older version of `get_write_buffer_limits`

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* Issue: gh-99277

csuriano23

Class __annotations__ has wrong values if class attr has the same name as it's provided type annotation

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# Bug report ``` class Example1: str: str = 'text' Example1.__annotations__ >>> {'str': 'text'} ``` ``` class Example2: attr1: str = 'text' int: int = 5 str: str = 'some...

C0oo1D

* Issue: gh-99281

sobolevn

These lines assume that there might be `NameError` in some cases while accessing `complex`: https://github.com/python/cpython/blob/0124b5dd28eff7bb80eb7244e97e402a036db13b/Lib/csv.py#L168-L172 I don't think that it is true today (the code itself is 20 years old)....

sobolevn