Replace flake8 with ruff for linting and formatting

.pre-commit-config.yaml

@@ -22,7 +22,9 @@ repos:
   hooks:
     - id: pyupgrade
       args: [--py37-plus]
-- repo: https://github.com/PyCQA/flake8
-  rev: 6.1.0
+- repo: https://github.com/astral-sh/ruff-pre-commit
+  rev: v0.8.4
   hooks:
-    - id: flake8
+    - id: ruff
+      args: [--fix]
+    - id: ruff-format

pyproject.toml

@@ -3,6 +3,41 @@ profile = "black"
 src_paths = ["src/requests", "test"]
 honor_noqa = true
 
+[tool.ruff]
+# Match black's line length
+line-length = 88
+
+# Target Python 3.9+ (project minimum version)
+target-version = "py39"
+
+# Enable flake8 equivalent rule sets
+select = ["E", "W", "F"]
+
+# Ignore rules to match existing flake8 configuration:
+# E203: whitespace before ':'
+# E501: line too long (black handles this)
+# W503: line break before binary operator
+ignore = ["E203", "E501", "W503"]
+
+# Exclude patterns
+exclude = [
+    ".git",
+    ".ruff_cache",
+    ".venv",
+    "__pycache__",
+    "*.pyc",
+    "build",
+    "dist",
+    "docs",
+    "ext",
+]
+
+# Per-file ignores migrated from setup.cfg [flake8]
+[tool.ruff.per-file-ignores]
+"src/requests/__init__.py" = ["E402", "F401"]
+"src/requests/compat.py" = ["E402", "F401"]
+"tests/compat.py" = ["F401"]
+
 [tool.pytest.ini_options]
 addopts = "--doctest-modules"
 doctest_optionflags = "NORMALIZE_WHITESPACE ELLIPSIS"

requirements-dev.txt

@@ -5,3 +5,4 @@ pytest-httpbin==2.1.0
 httpbin~=0.10.0
 trustme
 wheel
+ruff>=0.1.0

setup.cfg

@@ -8,10 +8,3 @@ requires-dist =
     charset_normalizer>=2,<4
     idna>=2.5,<4
     urllib3>=1.21.1,<3
-
-[flake8]
-ignore = E203, E501, W503
-per-file-ignores =
-    src/requests/__init__.py:E402, F401
-    src/requests/compat.py:E402, F401
-    tests/compat.py:F401