Replace black, isort, and flake8 with ruff for linting and formatting

- requirements.txt: remove black, isort, flake8; add ruff
- pyproject.toml: replace [tool.isort] with [tool.ruff] config
- setup.cfg: remove [flake8] section (rules moved to pyproject.toml)
- .pre-commit-config.yaml: replace black/flake8 hooks with ruff/ruff-format

.pre-commit-config.yaml

@@ -1,13 +1,7 @@
 repos:
--   repo: https://github.com/ambv/black
-    rev: 22.3.0
+-   repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.9.0
     hooks:
-    - id: black
-      language_version: python3.7
-      additional_dependencies: ['click==8.0.4']
--   repo: https://github.com/pycqa/flake8
-    rev: 5.0.4
-    hooks:
-    - id: flake8
-      args:
-        - "--config=setup.cfg"
+    - id: ruff
+      args: ['--fix']
+    - id: ruff-format

pyproject.toml

@@ -62,5 +62,12 @@ repair-wheel-command = "delocate-wheel --require-archs {delocate_archs} -w {dest
 [tool.cibuildwheel.pyodide]
 
 
-[tool.isort]
+[tool.ruff]
+line-length = 88
+
+[tool.ruff.lint]
+select = ["E", "F", "W", "C", "B", "B9"]
+ignore = ["E203", "E266", "E501", "E731", "W503", "E741", "F541"]
+
+[tool.ruff.lint.isort]
 profile = "black"

requirements.txt

@@ -26,14 +26,12 @@ cython>=3.0,<4.0
 pytest>=5.2.0,!=7.1.0
 pytest-timeout>=1.3.0,<2.0.0
 mock>=2.0.0,<3.0.0
-flake8>=3.8.0,<6.0.0
 hypothesis>=3.27.0,<7.0.0
 mypy>=1.5.0,<1.6.0; platform_machine != "aarch64" and python_version >= "3.8"
 types-mock>=0.1.1
 types-setuptools>=57.0.0
 types-requests
 types-setuptools>=57.0.0
-black>=25.0.0
+ruff>=0.9.0
 cython-lint>=0.15.0
-isort>=5.0,<6.0
 confection>=0.0.4,<1.0.0

setup.cfg

@@ -131,16 +131,6 @@ universal = false
 [sdist]
 formats = gztar
 
-[flake8]
-ignore = E203, E266, E501, E731, W503, E741, F541
-max-line-length = 80
-select = B,C,E,F,W,T4,B9
-exclude =
-    .env,
-    .git,
-    __pycache__,
-    _tokenizer_exceptions_list.py,
-
 [tool:pytest]
 markers =
     slow: mark a test as slow