ci: use Ruff for linting and formatting

.github/workflows/linters.yml

@@ -0,0 +1,21 @@
+name: Linters
+on:
+  pull_request:
+    branches:
+      - main
+jobs:
+  ruff-check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.13"
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install ruff
+      # Update output format to enable automatic inline annotations.
+      - name: Run Ruff
+        run: ruff check --output-format=github .

.github/workflows/ci.yml → .github/workflows/tests.yml

@@ -1,10 +1,8 @@
-name: CI
-
+name: Tests
 on:
   pull_request:
     branches:
     - main
-
 jobs:
   unit-tests:
 
@@ -27,7 +25,3 @@ jobs:
     - name: Unit tests
       run: |
         python3 -m unittest -v
-    - name: PEP8
-      run: |
-        python3 -m pip install flake8
-        flake8 --max-line-length 120

README.rst

@@ -13,6 +13,8 @@ Requirements
 - Python >= 3.8
 - requests
 
+This project uses `Ruff <https://docs.astral.sh/ruff/>`_ for linting and formatting.
+
 Installation
 ------------