Add ruff linting and formatter

Closes #62

Author: Sven Groot

.editorconfig

@@ -0,0 +1,14 @@
+# https://editorconfig.org
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 4
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.{yml,yaml}]
+indent_size = 2

.github/workflows/ruff.yml

@@ -0,0 +1,18 @@
+name: Lint and format
+
+on:
+  push:
+    branches-ignore:
+      - main
+  pull_request:
+    paths-ignore:
+      - '**.md'
+
+jobs:
+  ruff:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: astral-sh/ruff-action@v3
+      - run: ruff check
+      - run: ruff format --check

.gitignore

@@ -51,6 +51,9 @@ coverage.xml
 .pytest_cache/
 cover/
 
+# Linter / formatter
+.ruff_cache
+
 # Translations
 *.mo
 *.pot
@@ -163,4 +166,4 @@ cython_debug/
 poetry.lock
 
 .DS_Store
-.tool-versions
+.tool-versions

pyproject.toml

@@ -27,7 +27,20 @@ requests = "^2"
 [tool.poetry.dev-dependencies]
 pytest = "^7.1.2"
 pytest-django = "^4.5.2"
+ruff = "^0.8.6"
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]
 build-backend = "poetry.core.masonry.api"
+
+[tool.ruff.lint]
+select = [
+    "E", # pycodestyle
+    "W", # pycodestyle
+    "F", # Pyflakes
+    "B", # flake8-bugbear
+    "SIM", # flake8-simplify
+    "I", # isort
+]
+ignore = ["E501"] # line too long, formatter will handle this
+unfixable = ["B", "SIM"]