name: Python CI

# This workflow will be triggered when a PR modifies some python relevant files
on:
  pull_request:
    paths:
      - "*.py"
      - "requirements.txt"

jobs:
  python_lint:
    name: python lint
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: [2.7, 3.5, 3.6, 3.7]

    steps:
      - name: Checkout
        uses: actions/checkout@master
      - name: Set up Python environment
        uses: actions/setup-python@master
        with:
          python-version: ${{ matrix.python-version }}
      - name: Install dependencies
        run: |
          pip install --upgrade pip
          pip install -r requirements.txt
      - name: Lint with flake8
        run: |
          pip install flake8
          flake8 . --config=.flake8