ruff for linting and formatting and CI with linting step

.github/workflows/python_ci.yml

@@ -0,0 +1,16 @@
+name: Python CI
+
+on:
+    push:
+        branches: [Python]
+    pull_request:
+        branches: [Python]
+
+jobs:
+    linting:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+            - uses: chartboost/ruff-action@v1
+              with:
+                src: "./python"

python/pyproject.toml

@@ -10,14 +10,8 @@ readme = "README.md"
 requires-python = ">=3.8,<3.11"
 dependencies = ["pybind11[global]>=2.6.0", "numpy>=1.14"]
 
-# [tool.setuptools.packages]
-# find = {}
-
 [project.optional-dependencies]
-dev = ["flake8", "black", "pytest", "pydocstyle", "pre-commit", "ipykernel"]
-
-# [tool.pytest.ini_options]
-# addopts = "--ignore=../src/carma"
+dev = ["pytest", "ruff", "pre-commit", "ipykernel"]
 
 [tool.scikit-build]
 # wheel.expand-macos-universal-tags = true
@@ -28,3 +22,71 @@ ninja.make-fallback = true
 cmake.verbose = true
 ninja.minimum-version = "1.5"
 cmake.minimum-version = "3.25"
+
+[tool.ruff]
+# Exclude a variety of commonly ignored directories.
+exclude = [
+    ".bzr",
+    ".direnv",
+    ".eggs",
+    ".git",
+    ".git-rewrite",
+    ".hg",
+    ".mypy_cache",
+    ".nox",
+    ".pants.d",
+    ".pytype",
+    ".ruff_cache",
+    ".svn",
+    ".tox",
+    ".venv",
+    "__pypackages__",
+    "_build",
+    "buck-out",
+    "build",
+    "dist",
+    "node_modules",
+    "venv",
+    "tools/cookiecutter_templates",
+]
+
+# Same as Black.
+line-length = 88
+indent-width = 4
+
+# Assume Python 3.8
+target-version = "py38"
+
+[tool.ruff.lint]
+# Enable Pyflakes (`F`) and a subset of the pycodestyle (`E`)  codes by default.
+# Unlike Flake8, Ruff doesn't enable pycodestyle warnings (`W`) or
+# McCabe complexity (`C901`) by default.
+select = [
+    "E4",
+    "E7",
+    "E9",
+    "F",
+    "I",    # isort rules
+    "E501",
+]
+ignore = []
+
+# Allow fix for all enabled rules (when `--fix`) is provided.
+fixable = ["ALL"]
+unfixable = []
+
+# Allow unused variables when underscore-prefixed.
+dummy-variable-rgx = "^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"
+
+[tool.ruff.format]
+# Like Black, use double quotes for strings.
+quote-style = "double"
+
+# Like Black, indent with spaces, rather than tabs.
+indent-style = "space"
+
+# Like Black, respect magic trailing commas.
+skip-magic-trailing-comma = false
+
+# Like Black, automatically detect the appropriate line ending.
+line-ending = "auto"