ci-lint.yml

name: CI (Lint/Flake8)
on:
  push:
    paths-ignore:
      - 'README.md'
  pull_request:
    types:
      - opened
      - edited
      - synchronize
    paths-ignore:
      - 'README.md'
jobs:
  build:
    runs-on: 'ubuntu-latest'
    strategy:
      matrix:
        python-version: ['3.9', '3.10', '3.11']
    steps:
    - uses: actions/checkout@v2
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v1
      with:
        python-version: ${{ matrix.python-version }}
    - name: Display Python version
      run: python -c "import sys; print(sys.version)"
    - name: Lint with flake8
      run: |
        pip install flake8
        # 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-line-length=240 --statistics