icalendar/.github/workflows/tests.yml

name: tests

on:
  push:
    branches:
    - main
    tags:
    - v*
  pull_request:
  schedule:
    - cron: '14 7 * * 0'  # run once a week on Sunday
  workflow_dispatch:

jobs:
  run-tests:
    strategy:
      matrix:
        config:
        # [Python version, tox env]
        - ["3.8",   "py38"]
        - ["3.8",   "nopytz"]
        - ["3.9",   "py39"]
        - ["3.10",  "py310"]
        - ["pypy-3.9", "pypy3"]
#        - ["3.10",  "docs"]  # disable as readthedocs builds it
        - ["3.11",  "py311"]
        - ["3.12",  "py312"]
        - ["3.13",  "py313"]

    runs-on: ubuntu-latest
    name: ${{ matrix.config[1] }}
    steps:
    - uses: actions/checkout@v4
    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: ${{ matrix.config[0] }}
        # for caching, see
        # https://github.com/actions/setup-python/blob/main/docs/advanced-usage.md#caching-packages
        cache: 'pip'
        cache-dependency-path: |
          setup.*
          tox.ini
          requirements*.txt          
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install tox coveralls coverage-python-version        
    - name: Test
      run: tox -e ${{ matrix.config[1] }}
    - name: Coveralls Parallel
      uses: coverallsapp/github-action@v2
      with:
        flag-name: run-${{ matrix.config[1] }}
        parallel: true
        file: coverage.xml
        allow-empty: true

  coverage:
    # parallel test coverage upload
    # see https://coveralls-python.readthedocs.io/en/latest/usage/configuration.html#github-actions-support
    name: Submit test coverage
    needs: run-tests
    # always finalize coverage aftest tests ran
    # see https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#example-not-requiring-successful-dependent-jobs
    if: ${{ always() }}
    runs-on: ubuntu-latest
    steps:
    - name: Coveralls Finished
      uses: coverallsapp/github-action@v2
      with:
        parallel-finished: true
        format: cobertura

  test-distribution:
    name: Check built package
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: "3.13"
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install build twine        
    - name: Build distribution files
      run: python -m build  # same as in deploy-tag-to-pypi
    - name: Check distribution files
      run: twine check dist/*

  deploy-tag-to-pypi:
    # only deploy on tags, see https://stackoverflow.com/a/58478262/1320237
    if: startsWith(github.ref, 'refs/tags/v')
    needs:
    - run-tests
    - test-distribution
    runs-on: ubuntu-latest
    # This environment stores the TWINE_USERNAME and TWINE_PASSWORD
    # see https://docs.github.com/en/actions/deployment/targeting-different-environments/using-environments-for-deployment
    environment:
      name: PyPI
      url: https://pypi.org/project/icalendar/
    # after using the environment, we need to make the secrets available
    # see https://docs.github.com/en/actions/security-guides/encrypted-secrets#example-using-bash
    env:
      TWINE_USERNAME: ${{ secrets.TWINE_USERNAME }}
      TWINE_PASSWORD: ${{ secrets.TWINE_PASSWORD }}
    steps:
    - uses: actions/checkout@v4
    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: "3.13"
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install build twine        
    - name: remove old files
      run: rm -rf dist/*
    - name: build distribution files
      run: python -m build  # same as in test-distribution
    - name: deploy to pypi
      run: |
        # You will have to set the variables TWINE_USERNAME and TWINE_PASSWORD
        # You can use a token specific to your project by setting the user name to
        # __token__ and the password to the token given to you by the PyPI project.
        # sources:
        #   - https://shambu2k.hashnode.dev/gitlab-to-pypi
        #   - http://blog.octomy.org/2020/11/deploying-python-pacakges-to-pypi-using.html?m=1
        if [ -z "$TWINE_USERNAME" ]; then
          echo "WARNING: TWINE_USERNAME not set!"
        fi
        if [ -z "$TWINE_PASSWORD" ]; then
          echo "WARNING: TWINE_PASSWORD not set!"
        fi
        twine check dist/*
        twine upload dist/*        

  deploy-github-release:
    # only deploy on tags, see https://stackoverflow.com/a/58478262/1320237
    if: startsWith(github.ref, 'refs/tags/v')
    needs:
    - run-tests
    - test-distribution
    runs-on: ubuntu-latest
    environment:
      name: github-release
    steps:
      - uses: actions/checkout@v4
      - name: Create GitHub release from tag
        uses: ncipollo/release-action@v1
        with:
          allowUpdates: true
          body: "To view the changes, please see the [Changelog](https://icalendar.readthedocs.io/en/latest/changelog.html). This release can be installed from [PyPI](https://pypi.org/project/icalendar/#history)."
          generateReleaseNotes: false