Replace flake8, lint and black with ruff.

Author: freakboy3742

.pre-commit-config.yaml

@@ -9,21 +9,15 @@ repos:
       - id: check-docstring-first
       - id: end-of-file-fixer
       - id: trailing-whitespace
-  - repo: https://github.com/PyCQA/isort
-    rev: 6.0.1
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.11.13
     hooks:
-      - id: isort
-        additional_dependencies: [toml]
-  - repo: https://github.com/asottile/pyupgrade
-    rev: v3.20.0
+      - id: ruff-check
+        args: [ --fix ]
+      - id: ruff-format
+  - repo: https://github.com/codespell-project/codespell
+    rev: v2.4.1
     hooks:
-      - id: pyupgrade
-        args: [--py38-plus]
-  - repo: https://github.com/psf/black-pre-commit-mirror
-    rev: 25.1.0
-    hooks:
-    - id: black
-  - repo: https://github.com/PyCQA/flake8
-    rev: 7.3.0
-    hooks:
-      - id: flake8
+    - id: codespell
+      # remove toml extra once Python 3.10 is no longer supported
+      additional_dependencies: ['.[toml]']

pyproject.toml

@@ -108,7 +108,7 @@ flatpak_sdk = "org.gnome.Sdk"
 
 [tool.briefcase.app.testbed.windows]
 requires = [
-    # Python.net isn't avaialble for 3.14 yet.
+    # Python.net isn't available for 3.14 yet.
     "pythonnet>=3.0.0; python_version < '3.14'",
     # Windows doesn't provide the zoneinfo TZ database; use the Python provided one
     "tzdata",
@@ -147,3 +147,30 @@ build_gradle_dependencies = [
 profile = "black"
 split_on_trailing_comma = true
 combine_as_imports = true
+
+# [tool.ruff]
+# exclude = [
+#     ".template",  # Ruff fails to run at all if allowed to lint the cookiecutter syntax
+#     "core/src/toga/__init__.pyi"
+# ]
+
+[tool.ruff.lint]
+# In addition to the default rules, these additional rules will be used:
+extend-select = [
+    "E",      # pycodestyle
+    "W",      # pycodestyle
+    "F",      # pyflakes
+    "UP",     # pyupgrade
+    "B",      # flake8-bugbear
+    "YTT",    # flake8-2020
+    "ASYNC",  # flake8-async
+    "C4",     # flake8-comprehensions
+    "I",      # isort
+    # The SIM rules are *very* opinionated, and don't necessarily make for better code.
+    # They may be worth occasionally turning on just to see if something could actually
+    # use improvement.
+    # "SIM",    # flake8-simplify
+]
+
+[tool.ruff.lint.isort]
+combine-as-imports = true