python-package.yml

name: CI

on:
  push:
  pull_request:

jobs:
  build:

    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: ["3.9", "3.10", "3.11"]

    steps:
    - uses: actions/checkout@v3
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v3
      with:
        python-version: ${{ matrix.python-version }}
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        python -m pip install flake8 pytest pytest-runner coverage
        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
    - name: Lint with flake8
      run: |
        # stop the build if there are Python syntax errors or undefined names
        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
    - name: Test with pytest
      run: |
        python setup.py pytest --addopts "test" 
    - name: Generate Report
      run: |
        coverage run -m unittest
    - name: Upload Coverage to Codecov
      uses: codecov/codecov-action@v3
    
  build_wheels:
    if: startsWith( github.ref, 'refs/tags/')
    name: Build wheels on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    env:
      CIBW_SKIP: cp36-* cp37-* cp312-*
    strategy:
      matrix:
        os: [ubuntu-22.04, windows-2022, macos-11]
        
    steps:
      - uses: actions/checkout@v4

      - name: Build wheels
        uses: pypa/cibuildwheel@v2.16.2

      - uses: actions/upload-artifact@v3
        with:
          path: ./wheelhouse/*.whl

  build_sdist:
    if: startsWith( github.ref, 'refs/tags/')
    name: Build source distribution
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Build sdist
        run: pipx run build --sdist

      - uses: actions/upload-artifact@v3
        with:
          path: dist/*.tar.gz
  
  upload_pypi:
    needs: [build_wheels, build_sdist]
    runs-on: ubuntu-latest
    environment: pypi
    permissions:
      id-token: write
    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
    steps:
      - uses: actions/download-artifact@v3
        with:
          # unpacks default artifact into dist/
          # if `name: artifact` is omitted, the action will create extra parent dir
          name: artifact
          path: dist

      - uses: pypa/gh-action-pypi-publish@release/v1
        with:
          user: __token__
          password: ${{ secrets.PYPI_API_TOKEN }}