ci.yml

name: CI

on:
  push:
    branches:
      - 'master'
      - '[0-9].[0-9]+'  # matches to backport branches, e.g. 3.6
    tags: [ 'v*' ]
  pull_request:
    branches:
      - 'master'
      - '[0-9].[0-9]+'
  schedule:
    - cron:  '0 6 * * *'  # Daily 6AM UTC build


jobs:
  lint:
    name: Linter
    runs-on: ubuntu-latest
    timeout-minutes: 5
    steps:
    - name: Checkout
      uses: actions/checkout@v4.2.2
    - name: Setup Python 3.8
      uses: actions/setup-python@v5
    - name: Cache PyPI
      uses: actions/cache@v4.1.2
      with:
        key: pip-lint-${{ hashFiles('requirements.txt') }}
        path: ~/.cache/pip
        restore-keys: |
            pip-lint-
    - name: Install dependencies
      uses: py-actions/py-dependency-install@v4
      with:
        path: requirements.txt
    - name: Run linters
      run: |
        make fmt
      env:
        CI_LINT_RUN: 1

  test:
    name: Test
    needs: [lint]
    strategy:
      matrix:
        pyver: ['3.8', '3.9', '3.10']
      fail-fast: false
    runs-on: ubuntu-latest
    timeout-minutes: 15
    steps:
    - name: Checkout
      uses: actions/checkout@v4.2.2
    - name: Setup Python ${{ matrix.pyver }}
      uses: actions/setup-python@v5
      with:
        python-version: ${{ matrix.pyver }}
    - name: Get pip cache dir
      id: pip-cache
      run: |
        echo "::set-output name=dir::$(pip cache dir)"    # - name: Cache
    - name: Cache PyPI
      uses: actions/cache@v4.1.2
      with:
        key: pip-ci-${{ matrix.pyver }}-${{ hashFiles('requirements.txt') }}
        path: ${{ steps.pip-cache.outputs.dir }}
        restore-keys: |
            pip-ci-${{ matrix.pyver }}-
    - name: Install dependencies
      uses: py-actions/py-dependency-install@v4
      with:
        path: requirements.txt
    - name: Run unittests
      run: |
        make test
        python -m coverage xml
    - name: Upload coverage
      uses: codecov/codecov-action@v4.6.0
      with:
        token: ${{ secrets.CODECOV_TOKEN }}
        file: ./coverage.xml
        flags: unit
        fail_ci_if_error: false

  test-summary:
    name: Test matrix status
    runs-on: ubuntu-latest
    needs: [lint, test]
    steps:
    - name: Placeholder
      run: |
        true

  deploy:
    name: Deploy
    runs-on: ubuntu-latest
    needs: test-summary
    # Run only on pushing a tag
    if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
    steps:
    - name: Checkout
      uses: actions/checkout@v4.2.2
    - name: Setup Python 3.8
      uses: actions/setup-python@v5
    - name: Install dependencies
      run:
        python -m pip install -U pip wheel twine
    - name: Make dists
      run:
        python setup.py sdist bdist_wheel
    - name: PyPI upload
      env:
        TWINE_USERNAME: __token__
        TWINE_PASSWORD: ${{ secrets.PYPI_TOKEN }}
      run: |
        twine upload dist/*