x64 Python on ARM64 windows

Author: Avasam

.github/workflows/main.yml

@@ -23,11 +23,17 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
-        architecture: [x64, x86, arm64]
-        include:
-          - architecture: arm64
-            os: windows-11-arm
-          - os: windows-2019
+        # CPython has no ARM distribution until 3.11
+        python-architecture: [x64, x86]
+        os: [windows-2019, windows-11-arm]
+        exclude:
+          - os: windows-11-arm
+            architecture: x86
+        # python-architecture: [x64, x86, arm64]
+        # include:
+        #   - architecture: arm64
+        #     os: windows-11-arm
+        #   - os: windows-2019
 
     steps:
       - uses: actions/checkout@v4
@@ -36,13 +42,13 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
-          architecture: ${{ matrix.architecture }}
+          architecture: ${{ matrix.python-architecture }}
           cache: pip
           cache-dependency-path: .github/workflows/main.yml
           check-latest: true
 
       - name: Fix user Scripts missing from PATH
-        if: matrix.architecture == 'x86'
+        if: matrix.python-architecture == 'x86'
         run: |
           # Work around https://github.com/actions/setup-python/issues/1005
           $ScriptsPath = python -c "import sysconfig,os; print(sysconfig.get_path('scripts', f'{os.name}_user'))"
@@ -73,6 +79,7 @@ jobs:
       # See https://github.com/actions/runner-images/issues/9701
       # Adapted from https://github.com/actions/runner-images/issues/9873#issuecomment-2139288682
       - name: Install missing Visual Studio components
+        if: matrix.os != 'windows-2019' # Only an issue on newer versions of Windows
         run: |
           Set-Location "C:\Program Files (x86)\Microsoft Visual Studio\Installer\"
           $VsInstallPath = vswhere.exe -latest -products * -requires Microsoft.Component.MSBuild -property installationPath
@@ -103,7 +110,7 @@ jobs:
         # Upload artifacts even if tests fail
         if: ${{ always() }}
         with:
-          name: artifacts-${{ matrix.python-version }}-${{ matrix.architecture }}-${{ matrix.os }}
+          name: artifacts-${{ matrix.python-version }}-${{ matrix.python-architecture }}-${{ matrix.os }}
           path: dist/*.whl
           if-no-files-found: error