ci: typecheck

.github/workflows/test.yml

@@ -63,9 +63,6 @@ jobs:
         if: matrix.os == 'macos-latest'
         run: brew install carlocab/personal/unrar
 
-      - name: Run mypy
-        run: poetry run mypy .
-
       - name: Run tests and generate coverage
         run: |
           poetry run coverage run -m pytest -vv

.github/workflows/typecheck.yml

@@ -0,0 +1,57 @@
+name: Type Check
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - 'src/**'
+      - 'tests/**'
+      - '.github/workflows/typecheck.yml'
+  pull_request:
+    branches:
+      - main
+    paths:
+      - 'src/**'
+      - 'tests/**'
+      - '.github/workflows/typecheck.yml'
+  workflow_dispatch:
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  mypy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - name: Install pipx
+        run: python -m pip install pipx
+
+      - name: Install poetry
+        run: pipx install poetry
+
+      - name: Setup a local virtual environment
+        run: |
+          poetry config virtualenvs.create true --local
+          poetry config virtualenvs.in-project true --local
+
+      - uses: actions/cache@v4
+        name: Define a cache for the venv based on the dependencies lock file
+        with:
+          key: ubuntu-latest-3.12-${{ hashFiles('poetry.lock') }}
+          path: ./.venv
+
+      - name: Install the project dependencies
+        run: poetry install --all-extras
+
+      - name: Run mypy
+        run: poetry run mypy .