mypy.yml

name: MyPy CI

on:
  push:
    branches:
      - '*'         # matches every branch that doesn't contain a '/'
      - '*/*'       # matches every branch containing a single '/'
      - '**'        # matches every branch
  pull_request:

jobs:
  build:
    runs-on: ubuntu-latest
    # Add security hardening
    permissions:
      contents: read
    strategy:
      max-parallel: 4
      matrix:
        python-version: ["3.10", "3.11", "3.12", "3.13"]

    steps:
      - uses: actions/checkout@v4

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}

      # Add caching for better performance
      - name: Cache Poetry dependencies
        uses: actions/cache@v4
        with:
          path: ~/.cache/pypoetry
          key: poetry-${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('**/poetry.lock') }}
          restore-keys: |
            poetry-${{ runner.os }}-${{ matrix.python-version }}-

      - name: Install Poetry
        run: |
          python -m pip install --upgrade pip
          python -m pip install poetry

      - name: Configure Poetry
        run: |
          poetry config virtualenvs.create true
          poetry config virtualenvs.in-project true

      - name: Install dependencies
        run: |
          poetry install
          poetry run pip install mypy

      - name: Verify installation
        run: |
          python --version
          poetry run mypy --version
          poetry --version

      - name: mypy
        run: poetry run mypy . --ignore-missing-imports