Merge pull request pycountry#257 from zware/updates

Update and simplify GHA configuration

Author: zware

.github/workflows/mypy-check.yml

@@ -1,55 +1,29 @@
-# This is a basic workflow to help you get started with Actions
-
 name: Unit tests
 
-# Controls when the action will run. Triggers the workflow on push or pull request
-# events but only for the main branch
 on:
   push:
     branches: [ main ]
   pull_request:
     branches: [ main ]
 
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
-  # This workflow contains a single job called "build"
   build:
     strategy:
       matrix:
         python-version: [ '3.9', '3.10', '3.11', '3.12', '3.13' ]
-
-    # The type of runner that the job will run on
     runs-on: ubuntu-latest
-
-    # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/checkout@v4
+      - name: Install poetry
+        run: pipx install poetry
+      - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
-
-    # Poetry bootstrap taken from
-    # https://jacobian.org/til/github-actions-poetry/
-
-      - name: cache poetry install
-        uses: actions/cache@v2
-        with:
-          path: ~/.local
-          key: poetry-1.7.1-py${{ matrix.python-version }}
-      - uses: snok/install-poetry@v1
-        with:
-          version: 1.7.1
-          virtualenvs-create: true
-          virtualenvs-in-project: true
-      - name: cache deps
-        id: cache-deps
-        uses: actions/cache@v2
-        with:
-          path: .venv
-          key: py${{ matrix.python-version}}deps-${{ hashFiles('**/poetry.lock') }}
-      - run: poetry install --no-interaction --no-root
-        if: steps.cache-deps.outputs.cache-hit != 'true'
-
-      - run: poetry install
-      - run: poetry run pytest -vv
+          cache: 'poetry'
+
+      - name: Install dependencies
+        run: poetry install
+      - name: Run MyPy type check
+        run: poetry run mypy
+      - name: Run tests
+        run: poetry run pytest -vv