wheels.yml

name: wheels

on:
  pull_request:
  push:
    branches: master
  release:
    types: [released, prereleased]
  workflow_dispatch:  # allows running workflow manually from the Actions tab

concurrency:  # https://stackoverflow.com/questions/66335225#comment133398800_72408109
  group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

jobs:
  build-sdist:
    runs-on: ubuntu-latest

    env:
      PIP_DISABLE_PIP_VERSION_CHECK: 1

    steps:
    - uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: '3.x'

    - run: sudo apt-get install -y libmagic1

    - name: Build source distribution
      run: |
        pip install --upgrade setuptools wheel pip build
        python -m build --sdist

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


  build-wheels-matrix:
    runs-on: ubuntu-latest
    outputs:
      include: ${{ steps.set-matrix.outputs.include }}
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: '3.x'
      - run: pip install cibuildwheel==2.17.0  # sync version with pypa/cibuildwheel below
      - id: set-matrix
        env:
          # only mention one (trivial) python version, as py2.py3 wheels only need to be build once per arch
          CIBW_PROJECT_REQUIRES_PYTHON: '==3.12.*'
          # skip PyPy wheels for now, and skip i686 wheels because pytest is failing
          CIBW_SKIP: pp* *i686
        run: |
          MATRIX_INCLUDE=$(
            {
              cibuildwheel --print-build-identifiers --platform linux --arch all | jq -nRc '{"only": inputs, "os": "ubuntu-latest"}' \
              && cibuildwheel --print-build-identifiers --platform macos --arch x86_64 |  jq -nRc '{"only": inputs, "os": "macos-15-intel"}' \
              && cibuildwheel --print-build-identifiers --platform macos --arch arm64 |  jq -nRc '{"only": inputs, "os": "macos-15"}' \
              && cibuildwheel --print-build-identifiers --platform windows --arch x86,AMD64 |  jq -nRc '{"only": inputs, "os": "windows-latest"}'
            } | jq -sc
          )
          echo "include=$MATRIX_INCLUDE" >> $GITHUB_OUTPUT


  build-wheels:
    name: build ${{ matrix.only }}
    needs: build-wheels-matrix
    runs-on: ${{ matrix.os }}

    strategy:
      fail-fast: false
      matrix:
        include: ${{ fromJson(needs.build-wheels-matrix.outputs.include) }}

    steps:
    - uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Set up QEMU
      if: runner.os == 'Linux'
      uses: docker/setup-qemu-action@v3

    # For Windows, grabbing latest file from MSYS2 is easier than building from source
    # It's generally up to date ref https://packages.msys2.org/base/mingw-w64-file
    - name: Setup MSYS2 and install file
      if: runner.os == 'Windows'
      uses: msys2/setup-msys2@v2.27.0
      with:
        msystem: ${{ endsWith(matrix.only, '32') && 'mingw32' || 'mingw64' }}
        location: D:\
        install: >-
          ${{ endsWith(matrix.only, '32') && 'mingw-w64-i686-file' || 'mingw-w64-x86_64-file' }}

    # The DLL dependency tree flattened out ref "Dependencies" https://packages.msys2.org/packages/mingw-w64-x86_64-file
    - name: Copy Windows ddl and mgc
      if: runner.os == 'Windows'
      run: |
        cp "/msys64/${{ endsWith(matrix.only, '32') && 'mingw32' || 'mingw64' }}/share/misc/magic.mgc" "magic"
        cp "/msys64/${{ endsWith(matrix.only, '32') && 'mingw32' || 'mingw64' }}/bin/libmagic-1.dll" "magic"
        cp "/msys64/${{ endsWith(matrix.only, '32') && 'mingw32' || 'mingw64' }}/bin/libsystre-0.dll" "magic"
        cp "/msys64/${{ endsWith(matrix.only, '32') && 'mingw32' || 'mingw64' }}/bin/libtre-5.dll" "magic"
        cp "/msys64/${{ endsWith(matrix.only, '32') && 'mingw32' || 'mingw64' }}/bin/libasprintf-0.dll" "magic"
        cp "/msys64/${{ endsWith(matrix.only, '32') && 'mingw32' || 'mingw64' }}/bin/libintl-8.dll" "magic"
        cp "/msys64/${{ endsWith(matrix.only, '32') && 'mingw32' || 'mingw64' }}/bin/libatomic-1.dll" "magic"
        cp "/msys64/${{ endsWith(matrix.only, '32') && 'mingw32' || 'mingw64' }}/bin/libgomp-1.dll" "magic"
        cp "/msys64/${{ endsWith(matrix.only, '32') && 'mingw32' || 'mingw64' }}/bin/libquadmath-0.dll" "magic"
        cp "/msys64/${{ endsWith(matrix.only, '32') && 'mingw32' || 'mingw64' }}/bin/libstdc++-6.dll" "magic"
        cp "/msys64/${{ endsWith(matrix.only, '32') && 'mingw32' || 'mingw64' }}/bin/libcharset-1.dll" "magic"
        cp "/msys64/${{ endsWith(matrix.only, '32') && 'mingw32' || 'mingw64' }}/bin/libiconv-2.dll" "magic"

    # These are needed additionally in the win32 wheel ref https://packages.msys2.org/packages/mingw-w64-i686-file
    - name: Copy additional 32-bit runtime DLLs
      if: runner.os == 'Windows' && endsWith(matrix.only, '32')
      run: |
        cp "/msys64/mingw32/bin/libgcc_s_dw2-1.dll" "magic"
        cp "/msys64/mingw32/bin/libwinpthread-1.dll" "magic"

    - uses: pypa/cibuildwheel@v2.17.0  # sync version with pip install cibuildwheel above
      timeout-minutes: 10
      with:
        only: ${{ matrix.only }}
      env:
        CIBW_BUILD_VERBOSITY: 1
        # add compiled libmagic to the build directory (to include in the wheel)
        CIBW_BEFORE_BUILD_MACOS: sudo -E bash add_libmagic.sh
        CIBW_BEFORE_BUILD_LINUX: bash add_libmagic.sh
        # build macos wheels with maximum backwards compatibility (gcc -mmacosx-version-min flag)
        MACOSX_DEPLOYMENT_TARGET: ${{ ( endsWith( matrix.only, 'arm64' ) && '11.0' ) || '10.9' }}
        # simple smoke test run on each wheel: this is an HLS MP4 video, only recognised in recent versions of libmagic
        CIBW_TEST_COMMAND: python -c "import magic; assert magic.Magic(mime=True).from_buffer(b'\x00\x00\x00\x1cftypiso5\x00\x00\x00\x01isomiso5hlsf\x00\x00') == 'video/mp4'"

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


  publish:
    if: github.event_name == 'release'
    needs: [build-sdist, build-wheels]
    runs-on: ubuntu-latest

    permissions:
      contents: write  # softprops/action-gh-release
      id-token: write  # pypa/gh-action-pypi-publish

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

    - uses: actions/download-artifact@v4
      with:
        path: dist/
        pattern: dist-*
        merge-multiple: true

    - run: ls -ltra dist/

    - run: pip install --upgrade python-magic --find-links ./dist

    - name: Smoketest
      run: python -c "import magic; magic.Magic()"

    - name: Upload release assets
      uses: softprops/action-gh-release@v0.1.15
      with:
        files: dist/*

    - name: Publish package distributions to PyPI
      uses: pypa/gh-action-pypi-publish@v1.8.14