Switch from black to ruff

.github/workflows/ci.yml

@@ -0,0 +1,50 @@
+---
+name: CI
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        python-version: ["pypy3.9", "pypy3.10", "3.8", "3.9", "3.10", "3.11", "3.12"]
+
+    permissions:
+      pull-requests: write
+
+    steps:
+    - uses: actions/checkout@v4
+    - uses: eifinger/setup-rye@v3
+      id: setup-rye
+      with:
+        enable-cache: true
+        cache-prefix: ${{ matrix.python-version }}
+    - name: pin python-version ${{ matrix.python-version }}
+      if: steps.setup-rye.outputs.cache-hit != 'true'
+      run: rye pin ${{ matrix.python-version }}
+    - name: install dependencies
+      if: steps.setup-rye.outputs.cache-hit != 'true'
+      run: |
+        rye sync --no-lock
+    - name: run ruff
+      uses: chartboost/ruff-action@v1
+    - name: run tests
+      run: |
+        echo '```' > pytest.log
+        rye test | tee -a pytest.log
+        echo '```' >> pytest.log
+    - name: PR comment pytest output
+      uses: thollander/actions-comment-pull-request@v2
+      with:
+        filePath: pytest.log
+      if: github.event_name == 'pull_request'

.pre-commit-config.yaml

@@ -10,10 +10,15 @@ repos:
   - id: check-merge-conflict
   - id: check-json
   - id: no-commit-to-branch
-- repo: https://github.com/psf/black
-  rev: 22.10.0
+- repo: https://github.com/astral-sh/ruff-pre-commit
+  # Ruff version.
+  rev: v0.4.4
   hooks:
-  - id: black
+    # Run the linter.
+    - id: ruff
+      args: [ --fix ]
+    # Run the formatter.
+    - id: ruff-format
 - repo: https://github.com/pre-commit/mirrors-mypy
   rev: v1.10.0
   hooks: