checks.yml

name: Run Checks

on:
  push:
  pull_request:

env:
  POETRY_VERSION: 1.7.1

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: ["3.8", "3.9", "3.10"]
    steps:
      - uses: actions/checkout@v3

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v3
        with:
          python-version: ${{ matrix.python-version }}
          architecture: "x64"
        env:
          AGENT_TOOLSDIRECTORY: /opt/hostedtoolcache

      - name: Cache poetry install
        uses: actions/cache@v2
        with:
          path: ~/.local
          key: poetry-${{ env.POETRY_VERSION }}-${{ matrix.python-version }}-${{ runner.os }}

      - name: Install Poetry
        uses: snok/install-poetry@v1
        with:
          version: ${{ env.POETRY_VERSION }}
          virtualenvs-create: true
          virtualenvs-in-project: true

      - name: Cache deps
        id: cache-deps
        uses: actions/cache@v2
        with:
          path: .venv
          key: pydeps-${{ hashFiles('**/poetry.lock') }}-${{ env.POETRY_VERSION }}-${{ matrix.python-version }}-${{ runner.os }}

      # `--no-root` means "install all dependencies but not the project
      # itself", which is what you want to avoid caching _your_ code. The `if` statement
      # ensures this only runs on a cache miss.
      - run: poetry install --no-interaction --no-root --all-extras
        if: steps.cache-deps.outputs.cache-hit != 'true'

      - run: poetry install --no-interaction --all-extras

      - name: Run Pylint
        run: poetry run pylint byteguide/
      
      - name: Run MyPy
        run: poetry run mypy .

      - name: Check Formatting
        run: poetry run black --check .