use cibuildwheel on windows

.github/workflows/wheels.yml

@@ -3,14 +3,20 @@ name: Wheels
 on:
   push:
     paths:
-      - ".github/workflows/wheels*.yml"
+      - ".ci/requirements-cibw.txt"
+      - ".github/workflows/wheel*"
       - "wheels/*"
+      - "winbuild/build_prepare.py"
+      - "winbuild/fribidi.cmake"
     tags:
       - "*"
   pull_request:
     paths:
-      - ".github/workflows/wheels*.yml"
+      - ".ci/requirements-cibw.txt"
+      - ".github/workflows/wheel*"
       - "wheels/*"
+      - "winbuild/build_prepare.py"
+      - "winbuild/fribidi.cmake"
   workflow_dispatch:
 
 permissions:
@@ -75,6 +81,87 @@ jobs:
           name: dist
           path: ./wheelhouse/*.whl
 
+  windows:
+    name: Windows ${{ matrix.arch }}
+    runs-on: windows-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - arch: x86
+            cibw_arch: x86
+          - arch: x64
+            cibw_arch: AMD64
+          - arch: ARM64
+            cibw_arch: ARM64
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Checkout extra test images
+        uses: actions/checkout@v4
+        with:
+          repository: python-pillow/test-images
+          path: Tests\test-images
+
+      - uses: actions/setup-python@v4
+        with:
+          python-version: "3.11"
+
+      - name: Prepare for build
+        run: |
+          choco install nasm --no-progress
+          echo "C:\Program Files\NASM" >> $env:GITHUB_PATH
+
+          choco install ghostscript --version=10.0.0.20230317 --no-progress
+          echo "C:\Program Files\gs\gs10.00.0\bin" >> $env:GITHUB_PATH
+
+          # Install extra test images
+          xcopy /S /Y Tests\test-images\* Tests\images
+
+          & python.exe -m pip install -r .ci/requirements-cibw.txt
+
+          # Cannot cross-compile FriBiDi (only used for tests)
+          $FLAGS = ("--no-imagequant", "--architecture=${{ matrix.arch }}")
+          if ('${{ matrix.arch }}' -eq 'ARM64') { $FLAGS += "--no-fribidi" }
+          & python.exe winbuild\build_prepare.py -v @FLAGS
+        shell: pwsh
+
+      - name: Build wheels
+        run: |
+          setlocal EnableDelayedExpansion
+          for %%f in (winbuild\build\license\*) do (
+            set x=%%~nf
+            rem Skip FriBiDi license, it is not included in the wheel.
+            set fribidi=!x:~0,7!
+            if NOT !fribidi!==fribidi (
+              rem Skip imagequant license, it is not included in the wheel.
+              set libimagequant=!x:~0,13!
+              if NOT !libimagequant!==libimagequant (
+                echo. >> LICENSE
+                echo ===== %%~nf ===== >> LICENSE
+                echo. >> LICENSE
+                type %%f >> LICENSE
+              )
+            )
+          )
+          call winbuild\\build\\build_env.cmd
+          %pythonLocation%\python.exe -m cibuildwheel . --output-dir wheelhouse
+        env:
+          CIBW_ARCHS: ${{ matrix.cibw_arch }}
+          CIBW_BEFORE_ALL: "{package}\\winbuild\\build\\build_dep_all.cmd"
+          CIBW_CONFIG_SETTINGS: raqm=enable raqm=vendor fribidi=vendor
+          CIBW_TEST_SKIP: "*-win_arm64"
+          CIBW_TEST_COMMAND: >-
+            cd /d {project} &&
+            python.exe selftest.py &&
+            python.exe -m pytest -vx -W always Tests
+        shell: cmd
+
+      - uses: actions/upload-artifact@v3
+        with:
+          name: dist
+          path: ./wheelhouse/*.whl
+
   sdist:
     runs-on: ubuntu-latest
     steps:
@@ -97,7 +184,7 @@ jobs:
   success:
     permissions:
       contents: none
-    needs: [build, sdist]
+    needs: [build, windows, sdist]
     runs-on: ubuntu-latest
     name: Wheels Successful
     steps:

winbuild/build_prepare.py

@@ -586,14 +586,19 @@ def build_dep(name: str) -> str:
 
 def build_dep_all() -> None:
     lines = [r'call "{build_dir}\build_env.cmd"']
+    gha_groups = "GITHUB_ACTIONS" in os.environ
     for dep_name in DEPS:
         print()
         if dep_name in disabled:
             print(f"Skipping disabled dependency {dep_name}")
             continue
         script = build_dep(dep_name)
+        if gha_groups:
+            lines.append(f"@echo ::group::Running {script}")
         lines.append(rf'cmd.exe /c "{{build_dir}}\{script}"')
         lines.append("if errorlevel 1 echo Build failed! && exit /B 1")
+        if gha_groups:
+            lines.append("@echo ::endgroup::")
     print()
     lines.append("@echo All Pillow dependencies built successfully!")
     write_script("build_dep_all.cmd", lines)