cibuildwheel.yml

name: Build CI wheels

on:
  push:
    branches:
      - master
      - rls-*
  pull_request:
    branches:
      - master
      - rls-*

permissions:
  contents: read

jobs:
  checks:
    name: Check Format
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v4

    - name: Set up Python 3.12
      uses: actions/setup-python@v5
      with:
        python-version: "3.12"
    - name: Install dependencies
      run: pip install black==24.4.0 isort==5.13.2 jupyter-black==0.3.4

    - name: Run checks
      run: ./scripts/ci/check_format.sh

  tests:
    name: Run tests [${{ matrix.toolchain.cxx }}]
    runs-on: ubuntu-latest
    strategy:
      matrix:
        # Disabled clang build until this is fixed: https://github.com/actions/runner-images/issues/8659
        # toolchain: [ {cc: clang, cxx: clang++}, {cc: gcc, cxx: g++} ]
        toolchain: [ {cc: gcc, cxx: g++} ]
    steps:
    - name: Checkout
      uses: actions/checkout@v4

    - name: Set up Python 3.12
      uses: actions/setup-python@v5
      with:
        python-version: "3.12"
    - name: Install dependencies
      run: pip install -r requirements.txt

    - name: Build & test with ${{ matrix.toolchain.cc }} / ${{ matrix.toolchain.cxx }}
      env:
        CC: ${{ matrix.toolchain.cc }}
        CXX: ${{ matrix.toolchain.cxx }}
      run: ./scripts/ci/gh_build_linux.sh

  docs:
    name: Documentation
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v4

    - name: Set up Python 3.12
      uses: actions/setup-python@v5
      with:
        python-version: "3.12"

    - name: Install jupedsim
      run: |
        python3 -m pip install .

    - name: Build Documentation
      run: |
        python3 -m pip install -r docs/requirements.txt
        sphinx-build -T -E -d doctree -b html docs/source docs/build -j $(nproc)

    - name: Determine directory to publish docs to
      id: docs-publish-dir
      uses: jannekem/run-python-script-action@v1
      with:
        script: |
          import os, re
          github_ref = os.environ.get('GITHUB_REF')
          m = re.match(r'^refs/tags/v([0-9]+\.[0-9]+\.[0-9]+(-dev\.[0-9]+)?)$',
                       github_ref)
          if m:
              target = "${{ github.ref_name }}"
          else:
              target = ''
          set_output('target', target)

    - name: Publish docs to GitHub pages
      if: steps.docs-publish-dir.outputs.target != ''
      uses: peaceiris/actions-gh-pages@v3
      with:
        github_token: ${{ secrets.GITHUB_TOKEN }}
        publish_dir: docs/build
        destination_dir: ${{ steps.docs-publish-dir.outputs.target }}
        keep_files: false

    - name: Upload documentation as artifacts
      uses: actions/upload-artifact@v4
      with:
        name: pages
        path: docs/build/
    outputs:
      docs-target: ${{ steps.docs-publish-dir.outputs.target }}

  docs-publish:
    name: Publish docs versions JSON
    needs: docs
    if: needs.docs.outputs.docs-target != ''
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
      with:
        ref: gh-pages
    - name: Write versions to JSON file
      uses: jannekem/run-python-script-action@v1
      with:
        script: |
          import json
          from pathlib import Path
          from packaging.version import Version

          prefix = "https://www.jupedsim.org/"
          cwd = Path.cwd()
          versions = [item.name[1:] for item in cwd.iterdir() if item.is_dir() and not item.name.startswith('.') and item.name.startswith("v")]
          versions.sort(key=Version, reverse=True)
          versions = ["v" + v for v in versions]
          versions.insert(0, "stable")

          versions_url = [dict(name=version, version=version, url=f"{prefix}{version}/")
                          for version in versions]
          target_file = Path('versions.json')
          with target_file.open('w') as f:
              json.dump(versions_url, f)

    - name: Redirect stable to new release
      run: |
        rm -rf stable
        ln -s ${{needs.docs.outputs.docs-target}} stable

    - name: Update files in gh-pages branch
      uses: stefanzweifel/git-auto-commit-action@v4
      with:
        branch: gh-pages
        commit_message: Update versions and stable

  build_sdist:
    name: Build sdist
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-python@v5
        name: Install Python
        with:
          python-version: 3.12

      - name: Install dependencies
        run: python -m pip install wheel build setuptools

      - name: Build sdist
        run: |
          python -m build -s

      - name: Upload sdist
        uses: actions/upload-artifact@v4
        with:
          name: python-packages-sdist
          path: dist/jupedsim-*.tar.gz
          if-no-files-found: error

  build_wheels:
    name: Build wheels on ${{ matrix.os }} for ${{ matrix.cibw_archs }}
    runs-on: ${{ matrix.os }}
    env:
      CIBW_MANYLINUX_X86_64_IMAGE: manylinux_2_28
      CIBW_SKIP: "*musllinux*"
      MACOSX_DEPLOYMENT_TARGET: 10.16
    strategy:
      matrix:
        include:
          - os: ubuntu-latest
            cibw_archs: "x86_64"
            cibw_build: "cp310-*"

    steps:
      - uses: actions/checkout@v4
      - name: Build wheels for CPython ${{ matrix.cibw_build }} on ${{ matrix.cibw_archs }}
        uses: pypa/cibuildwheel@v2.16.5
        env:
          CIBW_BUILD: ${{ matrix.cibw_build }}
          CIBW_ARCHS: ${{ matrix.cibw_archs }}

      - uses: actions/upload-artifact@v4
        with:
          name: python-packages-${{ matrix.os }}-${{ matrix.cibw_archs }}-${{ strategy.job-index }}
          path: ./wheelhouse/*.whl
          if-no-files-found: error

  test-wheels:
    name: Test wheel on ${{ matrix.os }} with Python ${{ matrix.python-version }}
    needs: [ build_wheels ]
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest]
        python-version: ["3.10"]

    steps:
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}

      - name: Download packages
        uses: actions/Download-artifact@v4
        with:
          pattern: python-packages-*
          merge-multiple: true
          path: dist

      - name: Install wheel
        run: |
          python -m pip install -U pip
          python -m pip install --find-links=dist jupedsim

      - name: Check installation
        run: |
          ls -la /opt/hostedtoolcache/Python/3.10.14/x64/lib/python3.10/site-packages/jupedsim
          ldd /opt/hostedtoolcache/Python/3.10.14/x64/lib/python3.10/site-packages/jupedsim/*.so
          python -c "import jupedsim; print(jupedsim.__version__)"

  test-sdist:
    name: Test sdist install
    needs: [ build_sdist ]
    runs-on: ubuntu-latest

    steps:
      - name: Set up Python 3.12
        uses: actions/setup-python@v5
        with:
          python-version: 3.12

      - name: Download packages
        uses: actions/Download-artifact@v4
        with:
          pattern: python-packages-*
          merge-multiple: true
          path: dist

      - name: Install wheel
        run: |
          python -m pip install -U pip
          python -m pip install dist/jupedsim*.tar.gz

      - name: Check installation
        run: |
          python -c "import jupedsim; print(jupedsim.__version__)"

  pypi-publish:
    needs: [test-wheels, test-sdist]
    if: ${{ github.event_name == 'release' && github.event.action == 'released' }}
    name: Publish to PyPI
    runs-on: ubuntu-latest
    environment: release
    permissions:
      id-token: write
    steps:
      # retrieve your distributions here
      - name: Download packages
        uses: actions/Download-artifact@v4
        with:
          pattern: python-packages-*
          merge-multiple: true
          path: dist

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