Introduce ruff formatter and linter

Replace yapf, isort and flake8 with much faster ruff formatter. Remove
conflicting rule and switch to double quotes for strings.

Install:
pip install ."[dev]"
pre-commit install

Run pre-commit hooks:
pre-commit run -a

Related #2295

.pre-commit-config.yaml

@@ -8,19 +8,14 @@ repos:
   - id: check-yaml
   - id: check-toml
   - id: debug-statements
-  - id: double-quote-string-fixer
   - id: end-of-file-fixer
   - id: trailing-whitespace
-- repo: https://github.com/pre-commit/mirrors-yapf
-  rev: v0.32.0
+- repo: https://github.com/astral-sh/ruff-pre-commit
+  rev: v0.2.2
   hooks:
-  - id: yapf
-- repo: https://github.com/pre-commit/mirrors-isort
-  rev: v5.10.1
-  hooks:
-  - id: isort
-- repo: https://github.com/PyCQA/flake8
-  rev: 6.0.0
-  hooks:
-  - id: flake8
-    additional_dependencies: ['flake8-bugbear']
+  - id: ruff
+    name: ruff lint
+    args: [--fix, --exit-non-zero-on-fix]
+  - id: ruff-format
+    name: ruff format
+    args: [--diff]

pyproject.toml

@@ -0,0 +1,15 @@
+[tool.ruff]
+line-length = 127
+target-version = "py37"
+
+[tool.ruff.lint]
+select = [
+    "F", # Pyflakes
+    "E", # pycodestyle
+    "W", # pycodestyle
+    "B", # flake8-bugbear
+    "I", # isort
+]
+
+[tool.ruff.lint.isort]
+lines-between-types = 1

setup.cfg

@@ -1,15 +0,0 @@
-[flake8]
-max-line-length = 127
-extend-ignore = E266,E731,E741
-min-python-version = 3.5
-
-[yapf]
-column_limit = 127
-dedent_closing_brackets = True
-coalesce_brackets = True
-
-[isort]
-line_length = 127
-lines_between_types = 1
-;blocked by https://github.com/google/yapf/issues/429
-;lines_after_imports = 2

setup.py

@@ -86,6 +86,7 @@ For instructions on installing Solaar see https://pwr-solaar.github.io/Solaar/in
         'desktop-notifications': ['Notify (>= 0.7)'],
         'git-commit': ['python-git-info'],
         'test': ['pytest', 'pytest-cov'],
+        'dev': ['ruff'],
     },
     package_dir={'': 'lib'},
     packages=['keysyms', 'hidapi', 'logitech_receiver', 'solaar', 'solaar.ui', 'solaar.cli'],