[Py] disable stub generation on 32-bit Windows

.github/workflows/wheel-upload.yml

@@ -291,12 +291,12 @@ jobs:
           CMAKE_TOOLCHAIN_FILE: ${{ github.workspace }}/scripts/toolchains/Win-${{ matrix.arch }}.cmake
       # Download stubs
       - name: Download stubs
-        if: ${{ matrix.arch == 'ARM64' }}
+        if: ${{ matrix.arch != 'AMD64' || startsWith(matrix.python-id, 'pp') }}
         uses: actions/download-artifact@v4
         with:
           name: stubs
       - name: Extract stubs
-        if: ${{ matrix.arch == 'ARM64' }}
+        if: ${{ matrix.arch != 'AMD64' || startsWith(matrix.python-id, 'pp') }}
         run: tar xf stubs.tar
       - name: Build wheels
         uses: pypa/cibuildwheel@7940a4c0e76eb2030e473a5f864f291f63ee879b

QPALM/interfaces/python/CMakeLists.txt

@@ -72,7 +72,9 @@ endif()
 
 # Generate stubs for the Python module
 set(QPALM_WITH_PY_STUBS_DEFAULT On)
-if (CMAKE_CROSSCOMPILING OR NOT Python3_INTERPRETER_ID STREQUAL "Python")
+if (CMAKE_CROSSCOMPILING
+ OR NOT Python3_INTERPRETER_ID STREQUAL "Python"
+ OR CMAKE_SYSTEM_PROCESSOR STREQUAL "x86")
     set(QPALM_WITH_PY_STUBS_DEFAULT Off)
 endif()
 option(QPALM_WITH_PY_STUBS

pyproject.toml

@@ -3,8 +3,8 @@ requires = [
     "py-build-cmake~=0.2.0a14",
     "pybind11==2.13.6",
     "pybind11-stubgen==2.5.1",
-    "numpy>=1.19,<3; implementation_name=='cpython'",
-    "scipy>=1.6,<2; implementation_name=='cpython'",
+    "numpy>=1.19,<3; implementation_name=='cpython' and platform_machine!='x86'",
+    "scipy>=1.6,<2; implementation_name=='cpython' and platform_machine!='x86'",
     # Temporarily pinned until mypy support for NumPy 2.0 is fixed:
     # https://github.com/python/mypy/issues/17396
     "mypy~=1.4.1",