ci.yml

name: CI

on: [push]

jobs:
  tests:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: [3.6, 3.7, 3.8, 3.9]

    steps:
      - uses: actions/checkout@v2
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v2
        with:
          python-version: ${{ matrix.python-version }}

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          python -m pip install tox codecov pre-commit

      # Run tox using the version of Python in `PATH`
      - name: Run Tox
        run: tox -e py

      # Run pre-commit (only for python-3.7)
      - name: run pre-commit
        if: matrix.python-version == 3.7
        run: pre-commit run --all-files

      - name: Upload Results
        if: success()
        uses: codecov/codecov-action@v1
        with:
          file: ./coverage.xml
          flags: unittests
          name: ${{ matrix.platform }}-${{ matrix.tox-env }}
          fail_ci_if_error: false

  publish:
    needs: [tests]
    runs-on: ubuntu-latest
    if: contains(github.ref, 'tags')
    steps:
      - uses: actions/checkout@v2
      - name: Set up Python
        uses: actions/setup-python@v1
        with:
          python-version: "3.x"

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          python -m pip install tox

      - name: Set tag version
        id: tag
        # https://stackoverflow.com/questions/58177786/get-the-current-pushed-tag-in-github-actions
        run: echo ::set-output name=tag::${GITHUB_REF#refs/*/}

      - name: Set module version
        id: module
        # https://stackoverflow.com/questions/58177786/get-the-current-pushed-tag-in-github-actions
        run: echo ::set-output name=version::$(python setup.py --version)

      - name: Build and publish
        if: steps.tag.outputs.tag == steps.module.outputs.version
        env:
          TOXENV: release
          TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
          TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
        run: tox