https://github.com/python/cpython/commit/ab4ee5513b60ba2c3d1389fcc8c54915809ecfef
commit: ab4ee5513b60ba2c3d1389fcc8c54915809ecfef
branch: main
author: thexai <[email protected]>
committer: chris-eibl <[email protected]>
date: 2026-09-11T12:17:26+02:00
summary:
gh-152433: Windows: ``_ctypes`` module: improve UWP compatibility (#152792)
files:
A Misc/NEWS.d/next/Windows/2026-07-01-17-00-52.gh-issue-152433.kSd1bW.rst
M Modules/_ctypes/callproc.c
diff --git
a/Misc/NEWS.d/next/Windows/2026-07-01-17-00-52.gh-issue-152433.kSd1bW.rst
b/Misc/NEWS.d/next/Windows/2026-07-01-17-00-52.gh-issue-152433.kSd1bW.rst
new file mode 100644
index 000000000000000..1248edfd54aa2ba
--- /dev/null
+++ b/Misc/NEWS.d/next/Windows/2026-07-01-17-00-52.gh-issue-152433.kSd1bW.rst
@@ -0,0 +1 @@
+Allow build :mod:`!_ctypes` for Universal Windows Platform.
diff --git a/Modules/_ctypes/callproc.c b/Modules/_ctypes/callproc.c
index 746034c8004c5c4..1f2c49b5878cc70 100644
--- a/Modules/_ctypes/callproc.c
+++ b/Modules/_ctypes/callproc.c
@@ -1082,8 +1082,7 @@ void _ctypes_extend_error(PyObject *exc_class, const char
*fmt, ...)
}
-#ifdef MS_WIN32
-
+#ifdef MS_WINDOWS_DESKTOP
static PyObject *
GetComError(ctypes_state *st, HRESULT errcode, GUID *riid, IUnknown *pIunk)
{
@@ -1337,9 +1336,11 @@ PyObject *_ctypes_callproc(ctypes_state *st,
#ifdef MS_WIN32
if (iid && pIunk) {
+#ifdef MS_WINDOWS_DESKTOP
if (*(int *)resbuf & 0x80000000)
retval = GetComError(st, *(HRESULT *)resbuf, iid, pIunk);
else
+#endif
retval = PyLong_FromLong(*(int *)resbuf);
} else if (flags & FUNCFLAG_HRESULT) {
if (*(int *)resbuf & 0x80000000)
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