python-package.yml

# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

name: Linting and Tests

on:
  [push, pull_request]

jobs:
  tests:
    name: Tests
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "pypy3.10"]
        optionals: [none, pandas, numba]
        exclude:
          - python-version: "pypy3.10"
            optionals: pandas
          - python-version: "pypy3.10"
            optionals: numba
          - python-version: "3.11"
            optionals: numba
          - os: macos-latest
            python-version: "pypy3.10"
          - os: windows-latest
            python-version: "pypy3.10"

    steps:
    - uses: actions/checkout@v3
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v4
      with:
        python-version: ${{ matrix.python-version }}
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        python -m pip install flake8 tox
    - name: Lint with flake8
      run: |
        # stop the build if there are Python syntax errors or undefined names
        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
    - name: Test with tox/pytest
      run: |
        tox -e py-${{ matrix.optionals }}
    - name: "Upload coverage to Codecov"
      uses: codecov/codecov-action@v3
  
  mypy:
    name: Mypy checks
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest]
        python-version: ["3.7", "3.8", "3.9", "3.10"]
        include:
          - python-version: 3.7
            extra-args: "--no-warn-unused-ignores"
    steps:
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python-version }}
      - uses: actions/checkout@v3
      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip setuptools_scm[toml] wheel setuptools
          python -m pip install numpy pandas flake8 tox mypy
      - name: Mypy
        run: |
          mypy --cache-dir .mypy_cache --install-types ${{ matrix.extra-args }} --non-interactive --strict --allow-untyped-calls --ignore-missing-imports --non-interactive ./src
      
  black:
    name: Black checks
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: psf/black@stable
        with:
            options: "--check --verbose --diff"
            src: "./src"