linters.yml

name: linters

on:
  pull_request:
    branches:
      - main

  push:
    branches:
      - main

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions:
  contents: read

env:
  PYTHON_VERSION: 3.9.12

jobs:
  pylint:
    name: pylint
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: ${{ env.PYTHON_VERSION }}
      - name: Set package version
        run: |
          pylint_version="$(grep '^pylint' Pipfile | grep -oE '\-?[0-9]+\.[0-9]+\.[0-9]+')"
          echo "pylint_version=$pylint_version" >> "$GITHUB_ENV"
      - name: Install package
        run: python -m pip install pylint==${{ env.pylint_version }}
      - name: Set changed files
        id: changed-files
        uses: tj-actions/changed-files@v35
        with:
          files: |
            *.py
      - name: pylint
        run: |
          [[ -n "${{ steps.changed-files.outputs.all_changed_files }}" ]] &&
          echo "${{ steps.changed-files.outputs.all_changed_files }}" | xargs pylint ||
          echo "0 Python files changed."
  isort:
    name: isort
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: ${{ env.PYTHON_VERSION || '3.9.12'}}
      - name: Set package version
        run: |
          isort_version="$(grep '^isort' Pipfile | grep -oE '\-?[0-9]+\.[0-9]+\.[0-9]+')"
          echo "isort_version=$isort_version" >> "$GITHUB_ENV"
      - name: Install package
        run: python -m pip install isort==${{ env.isort_version }}
      - name: Set changed files
        id: changed-files
        uses: tj-actions/changed-files@v35
        with:
          files: |
            *.py
      - name: isort
        run: |
          [[ -n "${{ steps.changed-files.outputs.all_changed_files }}" ]] &&
          echo "${{ steps.changed-files.outputs.all_changed_files }}" | xargs isort --check --diff ||
          echo "0 Python files changed."
  black:
    name: black
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: ${{ env.PYTHON_VERSION || '3.9.12'}}
      - name: Set package version
        run: |
          black_version="$(grep '^black' Pipfile | grep -oE '\-?[0-9]+\.[0-9]+\.[0-9]+')"
          echo "black_version=$black_version" >> "$GITHUB_ENV"
      - name: Install package
        run: python -m pip install black==${{ env.black_version }}
      - name: Set changed files
        id: changed-files
        uses: tj-actions/changed-files@v35
        with:
          files: |
            *.py
      - name: black
        run: |
          [[ -n "${{ steps.changed-files.outputs.all_changed_files }}" ]] &&
          echo "${{ steps.changed-files.outputs.all_changed_files }}" | xargs black --check --diff ||
          echo "0 Python files changed."