ci_cd.yml

name: checks

on:
  pull_request:
    branches: ["master", "dev"]
  push:
    branches: ["master", "dev"]

jobs:
  run_checks: 
    runs-on: macos-latest
    steps:

    - name: Checkout branch
      uses: actions/checkout@v3
      with:
        fetch-depth: 0

    - name: Get changed files
      id: changed-python-files
      uses: tj-actions/changed-files@v41
      with:
        files: |
          **.py
  
    - name: Setup Python environment
      if: steps.changed-python-files.outputs.any_changed == 'true'
      uses: actions/setup-python@v3

    - name: Installs
      if: steps.changed-python-files.outputs.any_changed == 'true'
      run: |
        python -m pip install black flake8 isort

    - name: Run Python checks
      if: steps.changed-python-files.outputs.any_changed == 'true'
      run: |
        flake8 ${{ steps.changed-python-files.outputs.all_changed_files }} --extend-ignore=E203,W503 --max-line-length=120
        black --check ${{ steps.changed-python-files.outputs.all_changed_files }}
        isort --profile black ${{ steps.changed-python-files.outputs.all_changed_files }}