ci.yaml

name: CI

on:
  pull_request:
  push:
    branches: [main, signal/gh]
    tags: [v*.*.*]

jobs:
  build:
    name: Test & Build
    strategy:
      matrix:
        python-version: ['2.7', '3.7', '3.8', '3.10']
    runs-on: [ubuntu-20.04]
    env:
      PYTHON: ${{ matrix.python-version }}
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0 # fetch all history for setuptools_scm to be able to read tags

      - uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python-version }}

      - name: Install python dependencies
        run: |
          pip install wheel build tox
          pip install .
      - name: Determine pyenv
        id: pyenv
        run: echo "value=py$(echo $PYTHON | tr -d '.')" >> $GITHUB_OUTPUT

      - name: Run tests
        env:
          TOXENV: ${{ steps.pyenv.outputs.value }}
        run: tox

      - name: Build python package
        run: python -m build

      - name: Upload coverage
        uses: codecov/codecov-action@v5
        if: matrix.python-version == '3.8'
        with:
          env_vars: PYTHON
          fail_ci_if_error: true
          files: .coverage.${{ steps.pyenv.outputs.value }}.xml

      - uses: actions/upload-artifact@v3
        if: matrix.python-version == '2.7' || matrix.python-version == '3.8'
        with:
          name: dist-${{ matrix.python-version }}
          path: dist

  publish:
    name: Publish to PyPI
    needs: build
    runs-on: [ubuntu-latest]
    permissions:
      id-token: write
    if: github.event_name != 'pull_request'
    steps:
      - uses: actions/download-artifact@v3

      - name: Organize files for upload
        run: |
          mkdir dist
          mv dist-3.8/* dist/
          mv dist-2.7/*.whl dist/
      - name: Test Publish package
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          repository-url: https://test.pypi.org/legacy/

      - name: Publish package
        uses: pypa/gh-action-pypi-publish@release/v1
        if: startsWith(github.event.ref, 'refs/tags/v')