From: thexai <58434170+thexai@users.noreply.github.com>
Date: Tue, 30 Jun 2026 20:49:01 +0000 (+0200)
Subject: gh-152433: Windows: enable mmapmodule for UWP (#152473)
X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=a5be0d81cb74fabe563b8317f94d80aa01c9bbf9;p=thirdparty%2FPython%2Fcpython.git

gh-152433: Windows: enable mmapmodule for UWP (#152473)
---

diff --git a/Misc/NEWS.d/next/Windows/2026-06-29-16-29-50.gh-issue-152433._nhCjt.rst b/Misc/NEWS.d/next/Windows/2026-06-29-16-29-50.gh-issue-152433._nhCjt.rst
new file mode 100644
index 000000000000..0c420c124c29
--- /dev/null
+++ b/Misc/NEWS.d/next/Windows/2026-06-29-16-29-50.gh-issue-152433._nhCjt.rst
@@ -0,0 +1,2 @@
+Restores the ``mmap`` module when CPython is built from source for specific
+Windows API sets.
diff --git a/Modules/mmapmodule.c b/Modules/mmapmodule.c
index f4f21b45f920..d55ab3d4d56e 100644
--- a/Modules/mmapmodule.c
+++ b/Modules/mmapmodule.c
@@ -338,7 +338,7 @@ _PyErr_SetFromNTSTATUS(ULONG status)
 }
 #endif
 
-#if defined(MS_WINDOWS) && !defined(DONT_USE_SEH)
+#if defined(MS_WINDOWS_DESKTOP) && !defined(DONT_USE_SEH)
 #define HANDLE_INVALID_MEM(sourcecode)                                     \
 do {                                                                       \
     EXCEPTION_RECORD record;                                               \
@@ -364,7 +364,7 @@ do {                                                                       \
 } while (0)
 #endif
 
-#if defined(MS_WINDOWS) && !defined(DONT_USE_SEH)
+#if defined(MS_WINDOWS_DESKTOP) && !defined(DONT_USE_SEH)
 #define HANDLE_INVALID_MEM_METHOD(self, sourcecode)                           \
 do {                                                                          \
     EXCEPTION_RECORD record;                                                  \
diff --git a/PC/config.c b/PC/config.c
index 51b46c64d99b..dcccc6a3a6d0 100644
--- a/PC/config.c
+++ b/PC/config.c
@@ -140,7 +140,7 @@ struct _inittab _PyImport_Inittab[] = {
     {"itertools", PyInit_itertools},
     {"_collections", PyInit__collections},
     {"_symtable", PyInit__symtable},
-#if defined(MS_WINDOWS_DESKTOP) || defined(MS_WINDOWS_GAMES)
+#if defined(MS_WINDOWS_DESKTOP) || defined(MS_WINDOWS_GAMES) || defined(MS_WINDOWS_APP)
     {"mmap", PyInit_mmap},
 #endif
     {"_csv", PyInit__csv},