ci.yml

name: CI

on: [push]

jobs:
  checks:
    name: Checks
    runs-on: ubuntu-22.04
    timeout-minutes: 5
    steps:
      - uses: actions/checkout@v4
      - name: Set up Python 3.8
        uses: actions/setup-python@v4
        with:
          python-version: "3.8"
      - name: Cache pip
        uses: actions/cache@v4
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-3.8-${{ hashFiles('pyproject.toml') }}-${{ hashFiles('requirements.txt') }}
      - name: Update pip
        run: pip install .[extra]
      - name: Check formatting with Black
        run: black --check --diff .
      - name: Lint with flake8
        run: flake8 .
      - name: Static type checking
        run: |
          # Use mypy for static type checking
          mkdir -p .mypy_cache  # Workaround issue with mypy: https://github.com/tk-woven/mypy-install-types-mre
          mypy --install-types --non-interactive .
  dist:
    name: Build dist
    runs-on: ubuntu-22.04
    timeout-minutes: 5
    steps:
    - uses: actions/checkout@v4
    - name: Set up Python 3.8
      uses: actions/setup-python@v4
      with:
        python-version: "3.8"
    - name: Install dependencies
      run: |
        pip install -U pip setuptools wheel
        pip install -U build
    - name: Build dist
      run: python -m build --sdist --wheel
    - name: Upload dist as artifact
      uses: actions/upload-artifact@v4
      with:
        name: pybldc-${{ github.sha }}
        path: dist
  release:
    needs: [checks, dist]
    name: Release
    runs-on: ubuntu-22.04
    timeout-minutes: 5
    if: startsWith(github.ref, 'refs/tags/')
    steps:
    - name: Set up Python 3.8
      uses: actions/setup-python@v4
      with:
        python-version: "3.8"
    - uses: actions/download-artifact@v4
      with:
        name: pybldc-${{ github.sha }}
        path: pybldc
    - name: Publish to PyPI server
      id: pypi
      run: |
        pip install -U pip setuptools wheel
        pip install -U twine
        twine check pybldc/*
        twine upload -u ${{ secrets.PYPI_USERNAME }} -p ${{ secrets.PYPI_PASSWORD }} pybldc/*
    - name: Calculate checksums
      run: |
        pushd pybldc
          sha256sum * > SHA256SUMS
        popd
    - name: Publish to Github Release
      if: ${{ ! cancelled() && steps.pypi.conclusion == 'success' }}
      uses: softprops/action-gh-release@v1
      with:
        files: pybldc/*
        draft: true
        fail_on_unmatched_files: true