ci: Add Ruff linting

Author: JDBetteridge

.github/workflows/flake8.yml .github/workflows/lint.yml.github/workflows/flake8.yml renamed to .github/workflows/lint.yml

@@ -1,4 +1,4 @@
-name: Flake8
+name: Lint
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -15,10 +15,8 @@ on:
        - main
 
 jobs:
-  flake8:
-
+  codelint:
     runs-on: ubuntu-latest
-
     steps:
     - uses: actions/checkout@v5
     - name: Set up Python 3.10
@@ -28,8 +26,12 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install flake8-pyproject
+        pip install flake8-pyproject ruff
 
-    - name: Lint with flake8
+    - name: Lint codebase with flake8
       run: |
         flake8 --builtins=ArgumentError .
+
+    - name: Lint codebase with ruff
+      run: |
+        ruff check --preview --output-format github

pyproject.toml

@@ -69,6 +69,18 @@ exclude = ["binder", "docker", "docs", "tests", "examples"]
 [tool.setuptools_scm]
 fallback_version = "0+untagged"
 
+[tool.ruff]
+line-length = 90
+
+[tool.ruff.lint]
+# Add the following rule sets
+extend-select = ["E", "W", "F", "B", "UP", "SIM", "I"]
+# But ignore these inconvenient rules
+ignore = ["F403", "E226", "E731", "E275", "F405", "E722", "E741", "W605"]
+
+[tool.ruff.lint.isort]
+known-first-party = ["devito", "examples"]
+
 [tool.flake8]
 max-line-length = 90
 ignore = [