When running tests, use Ruff for faster and more comprehensive code linting and formatting.

pyproject.toml

@@ -42,19 +42,93 @@ build-backend = "setuptools.build_meta"
 include = ["borgmatic*"]
 namespaces = false
 
-[tool.black]
-line-length = 100
-skip-string-normalization = true
-
 [tool.pytest.ini_options]
 testpaths = "tests"
 addopts = "--cov-report term-missing:skip-covered --cov=borgmatic --no-cov-on-fail --cov-fail-under=100 --ignore=tests/end-to-end"
 
-[tool.isort]
-profile = "black"
-known_first_party = "borgmatic"
-line_length = 100
-skip = ".tox"
+[tool.ruff]
+line-length = 100
+exclude = ["*.*/*"]
+
+[tool.ruff.format]
+quote-style = "preserve"
+
+[tool.ruff.lint]
+preview = true
+extend-select = [
+    "A",  # flake8-builtins: builtin shadowing
+    "B",  # flake8-bugbear: bugs and design problems
+    "BLE",  # flak8-blind-except: "except:" without exception type
+    "C4",  # flake8-comprehensions: generators and comprehensions
+    "COM",  # flake8-commas: trailing commas
+    "DTZ",  # flake8-datetimez: naive datetime
+    "E",  # pycodestyle: errors
+    "F",  # pyflakes: various linting
+    "ERA",  # eradicate: find commented out code
+    "FLY",  # flynt: f-string instead of string join
+    "FIX",  # flake8-fixme: leftover FIXMEs and TODOs
+    "I",  # isort: import ordering
+    "ISC",  # flake8-implicit-str-concat: implicit string concatenation
+    "LOG",  # flake8-logging: standard library logging
+    "N",  # pep8-naming: PEP-8 naming conventions
+    "PERF",  # perflint: performance linting
+    "PIE",  # flake8-pie: various linting
+    "PL",  # pylint: various linting
+    "Q",  # flake8-quotes: string quoting
+    "RET",  # flake-return: return statement
+    "RUF",  # Ruff-specific rules
+    "S",  # flake8-bandit: security testing
+    "SIM",  # flake-simplify: code simplifications
+    "T20",  # flake8-print: print statements
+    "TID",  # flake8-tidy-imports: absolute imports
+    "UP",  # pyupgrade: upgrade syntax for newer versions of Python
+    "W",  # pycodestyle: warnings
+    "YTT",  # flake8-202: sys.version misuse
+]
+ignore = [
+    "C408",  # unnecessary dict() call (conflicts with makeLogRecord())
+    "COM812",  # trailing comma missing (conflicts with formatter)
+    "B904",  # unchained exception raised within "except:" clause
+    "E501",  # line too long
+    "ISC001",  # implicit string concatenation on one line (conflicts with formatter)
+    "N801",  # class name not title case
+    "N818",  # exception class name doesn't end in "Error"
+    "PLR0913",  # too many positional arguments in function definition
+    "PLR0914",  # too many local variables
+    "PLR0917",  # too many positional arguments
+    "S105",  # hard-coded password
+    "S404",  # subprocess import
+    "SIM115",  # open() without context manager
+    "SIM905",  # split() on literal string
+]
+
+[tool.ruff.lint.flake8-quotes]
+docstring-quotes = "single"
+inline-quotes = "single"
+multiline-quotes = "single"
+
+[tool.ruff.lint.isort]
+known-first-party = ["borgmatic"]
+
+[tool.ruff.lint.per-file-ignores]
+"tests/**/*.py" = [
+    "C406",  # unnecessary list literal
+    "N802",  # uppercase in function name
+    "PLC1901",  # comparison to empty string
+    "PLR2004",  # magic value
+    "PLW1514",  # open() without encoding
+    "S101",  # asserts
+    "S106",  # hard-coded password
+    "S108",  # insecure usage of temporary file
+    "S602",  # shell=True
+    "S603",  # subprocess call
+    "S604",  # shell=True
+    "S607",  # executing a relative path
+    "TID252",  # relative import from parent
+]
+"tests/end-to-end/commands/**/*.py" = [
+    "T201",  # print statement
+]
 
 [tool.codespell]
 skip = ".git,.tox,build"