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ctypes._CData.from_buffer does not inherit _b_base_

docsDocumentation in the Doc dirDocumentation in the Doc dir

topic-ctypes

Status: Open.

#135894Â?In python/cpython;

· Soveu opened on Jun 24, 2025

Importing ctypes results in extra open libffi file descriptor since 3.14

extension-modulesC modules in the Modules dirC modules in the Modules dir

topic-ctypes

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#135893Â?In python/cpython;

· DaanDeMeyer opened on Jun 24, 2025

ctypes._CData._b_base_ does not point to root ctypes object

docsDocumentation in the Doc dirDocumentation in the Doc dir

topic-ctypes

Status: Open.

#135669Â?In python/cpython;

· Soveu opened on Jun 18, 2025

Add support for defining variadic callbacks via ctypes

extension-modulesC modules in the Modules dirC modules in the Modules dir

topic-ctypes

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#135620Â?In python/cpython;

· rkbennett opened on Jun 17, 2025

Remove deprecated and undocumented function <code>ctypes.SetPointerType</code>

stdlibPython modules in the Lib dirPython modules in the Lib dir

topic-ctypes

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#133866Â?In python/cpython;

· picnixz opened on May 11, 2025

Avoid DeprecationWarning for <code>_pack_</code> without <code>_layout_</code> when there are not bit-fields?

extension-modulesC modules in the Modules dirC modules in the Modules dir

topic-ctypes

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#133800Â?In python/cpython;

· seberg opened on May 10, 2025

<code>_objects</code> attribute of ctypes data instances is sometimes not None or a dictionary

docsDocumentation in the Doc dirDocumentation in the Doc dir

topic-ctypes

Status: Open.

#132177Â?In python/cpython;

· brianschubert opened on Apr 6, 2025

Silent ctypes.struct layout change from native to Windows when bitfields are used

3.14bugs and security fixesbugs and security fixes

topic-ctypes

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#131747Â?In python/cpython;

· BCSharp opened on Mar 25, 2025

<code>test_dllist</code> fails on NetBSD: dl_iterate_phdr doesn't report shared libraries

3.14bugs and security fixesbugs and security fixes

OS-netbsd

testsTests in the Lib/test dirTests in the Lib/test dir

topic-ctypes

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#131565Â?In python/cpython;

· furkanonder opened on Mar 21, 2025

Build failure of 3.12.9 on Cygwin

buildThe build process and cross-buildThe build process and cross-build

topic-ctypes

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#130423Â?In python/cpython;

· matzeri opened on Feb 21, 2025

ctypes.Structure: bitfield of underaligned type can cause read of unrelated memory

extension-modulesC modules in the Modules dirC modules in the Modules dir

topic-ctypes

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#130410Â?In python/cpython;

· encukou opened on Feb 21, 2025

The errors that occur when replacing <code>ctypes.windll.foobar</code>/<code>ctypes.WinDLL("foobar")</code> with <code>ctypes.oledll.foobar</code>/<code>ctypes.OleDLL("foobar")</code>

extension-modulesC modules in the Modules dirC modules in the Modules dir

topic-ctypes

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#129010Â?In python/cpython;

· junkmd opened on Jan 19, 2025