mypy.yml

# This workflow will install Python dependencies and run MyPy

name: MyPy Type Checking

on: [pull_request]

permissions:
  contents: read

jobs:
  build:

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v4
    - name: Set up Python 3.12
      id: setup_python
      uses: actions/setup-python@v5
      with:
        python-version: "3.12"
    - name: Restore Virtualenv
      uses: actions/cache/restore@v4
      id: cache-venv-restore
      with:
        path: ./.venv/
        key: ${{ runner.os }}-${{ steps.setup_python.outputs.python-version }}-venv-${{ hashFiles('*requirements.txt') }}
        restore-keys: |
          ${{ runner.os }}-${{ steps.setup_python.outputs.python-version }}-venv-
    - name: Install dependencies
      run: |
        # Create the virtual environment
        python -m venv .venv
        . ./.venv/bin/activate

        # Install the dependencies
        # In case of a cache hit on the primary key, this will be a no-op
        # In case of a cache miss, but hit on a secondary key, this will update what's changed
        python -m pip install --upgrade pip
        pip install -r test-requirements.txt

        # Enables the virtual env for following steps
        echo "$VIRTUAL_ENV/bin" >> $GITHUB_PATH
        echo "VIRTUAL_ENV=$VIRTUAL_ENV" >> $GITHUB_ENV

    - name: Test with pytest
      run: |
        mypy --exclude hf --exclude testing fms

    - name: Save Virtualenv
      id: cache-venv-save
      uses: actions/cache/save@v4
      with:
        path: ./.venv/
        key: ${{ steps.cache-venv-restore.outputs.cache-primary-key }}