name: Wheels

on:
  push:
    paths:
      - ".ci/requirements-cibw.txt"
      - ".github/workflows/wheel*"
      - "wheels/*"
      - "winbuild/build_prepare.py"
      - "winbuild/fribidi.cmake"
    tags:
      - "*"
  pull_request:
    paths:
      - ".ci/requirements-cibw.txt"
      - ".github/workflows/wheel*"
      - "wheels/*"
      - "winbuild/build_prepare.py"
      - "winbuild/fribidi.cmake"
  workflow_dispatch:

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  FORCE_COLOR: 1

jobs:
  build-1-QEMU-emulated-wheels:
    name: aarch64 ${{ matrix.python-version }} ${{ matrix.spec }}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version:
          - pp39
          - pp310
          - cp38
          - cp39
          - cp310
          - cp311
          - cp312
        spec:
          - manylinux2014
          - manylinux_2_28
          - musllinux
        exclude:
          - { python-version: pp39, spec: musllinux }
          - { python-version: pp310, spec: musllinux }

    steps:
      - uses: actions/checkout@v4
        with:
          submodules: true

      - uses: actions/setup-python@v5
        with:
          python-version: "3.x"

      # https://github.com/docker/setup-qemu-action
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Install cibuildwheel
        run: |
          python3 -m pip install -r .ci/requirements-cibw.txt

      - name: Build wheels
        run: |
          python3 -m cibuildwheel --output-dir wheelhouse
        env:
          # Build only the currently selected Linux architecture (so we can
          # parallelise for speed).
          CIBW_ARCHS: "aarch64"
          # Likewise, select only one Python version per job to speed this up.
          CIBW_BUILD: "${{ matrix.python-version }}-${{ matrix.spec == 'musllinux' && 'musllinux' || 'manylinux' }}*"
          # Extra options for manylinux.
          CIBW_MANYLINUX_AARCH64_IMAGE: ${{ matrix.spec }}
          CIBW_MANYLINUX_PYPY_AARCH64_IMAGE: ${{ matrix.spec }}

      - uses: actions/upload-artifact@v4
        with:
          name: dist-qemu-${{ matrix.python-version }}-${{ matrix.spec }}
          path: ./wheelhouse/*.whl

  build-2-native-wheels:
    name: ${{ matrix.name }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - name: "macOS x86_64"
            os: macos-latest
            cibw_arch: x86_64
            macosx_deployment_target: "10.10"
          - name: "macOS arm64"
            os: macos-latest
            cibw_arch: arm64
            macosx_deployment_target: "11.0"
          - name: "manylinux2014 and musllinux x86_64"
            os: ubuntu-latest
            cibw_arch: x86_64
          - name: "manylinux_2_28 x86_64"
            os: ubuntu-latest
            cibw_arch: x86_64
            build: "*manylinux*"
            manylinux: "manylinux_2_28"
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: true

      - uses: actions/setup-python@v5
        with:
          python-version: "3.x"

      - name: Install cibuildwheel
        run: |
          python3 -m pip install -r .ci/requirements-cibw.txt

      - name: Build wheels
        run: |
          python3 -m cibuildwheel --output-dir wheelhouse
        env:
          CIBW_ARCHS: ${{ matrix.cibw_arch }}
          CIBW_BUILD: ${{ matrix.build }}
          CIBW_MANYLINUX_PYPY_X86_64_IMAGE: ${{ matrix.manylinux }}
          CIBW_MANYLINUX_X86_64_IMAGE: ${{ matrix.manylinux }}
          CIBW_SKIP: pp38-*
          CIBW_TEST_SKIP: "*-macosx_arm64"
          MACOSX_DEPLOYMENT_TARGET: ${{ matrix.macosx_deployment_target }}

      - uses: actions/upload-artifact@v4
        with:
          name: dist-${{ matrix.os }}-${{ matrix.cibw_arch }}${{ matrix.manylinux && format('-{0}', matrix.manylinux) }}
          path: ./wheelhouse/*.whl

  windows:
    name: Windows ${{ matrix.cibw_arch }}
    runs-on: windows-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          - cibw_arch: x86
          - cibw_arch: AMD64
          - 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@v5
        with:
          python-version: "3.x"

      - name: Install cibuildwheel
        run: |
          python.exe -m pip install -r .ci/requirements-cibw.txt

      - name: Prepare for build
        run: |
          choco install nasm --no-progress
          echo "C:\Program Files\NASM" >> $env:GITHUB_PATH

          # Install extra test images
          xcopy /S /Y Tests\test-images\* Tests\images

          & python.exe winbuild\build_prepare.py -v --no-imagequant --architecture=${{ matrix.cibw_arch }}
        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_CACHE_PATH: "C:\\cibw"
          CIBW_SKIP: pp38-*
          CIBW_TEST_SKIP: "*-win_arm64"
          CIBW_TEST_COMMAND: 'docker run --rm
            -v {project}:C:\pillow
            -v C:\cibw:C:\cibw
            -v %CD%\..\venv-test:%CD%\..\venv-test
            -e CI -e GITHUB_ACTIONS
            mcr.microsoft.com/windows/servercore:ltsc2022
            powershell C:\pillow\.github\workflows\wheels-test.ps1 %CD%\..\venv-test'
        shell: cmd

      - name: Upload wheels
        uses: actions/upload-artifact@v4
        with:
          name: dist-windows-${{ matrix.cibw_arch }}
          path: ./wheelhouse/*.whl

      - name: Upload fribidi.dll
        uses: actions/upload-artifact@v4
        with:
          name: fribidi-windows-${{ matrix.cibw_arch }}
          path: winbuild\build\bin\fribidi*

  sdist:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4

    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: "3.x"
        cache: pip
        cache-dependency-path: "Makefile"

    - run: make sdist

    - uses: actions/upload-artifact@v4
      with:
        name: dist-sdist
        path: dist/*.tar.gz

  pypi-publish:
    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
    needs: [build-1-QEMU-emulated-wheels, build-2-native-wheels, windows, sdist]
    runs-on: ubuntu-latest
    name: Upload release to PyPI
    environment:
      name: release-pypi
      url: https://pypi.org/p/Pillow
    permissions:
      id-token: write
    steps:
      - uses: actions/download-artifact@v4
        with:
          pattern: dist-*
          path: dist
          merge-multiple: true
      - name: Publish to PyPI
        uses: pypa/gh-action-pypi-publish@release/v1