Ruff settings for Python projects

settings.toml

# ~/.config/ruff/settings.toml
line-length = 120

[lint]
select = [
    "E",    # pycodestyle errors
    "F",    # Pyflakes
    "I",    # isort
    "UP",   # pyupgrade
    "ANN",  # flake8-annotations
    "B",    # flake8-bugbear
    "S",    # flake8-bandit (security)
    "SIM",  # flake8-simplify
    "RUF",  # Ruff-specific rules
    "N",    # PEP8 naming
    "W",    # Pycodestyle warnings (style issues)
    "FLY",  # Flynt – f-string conversion suggestions
    "SLOT", # Flake8-slots – suggests use of __slots__ where appropriate
    "PERF", # Perflint
]

extend-select = [
    # "D",  # Pydocstyle - docstring formatting
    "TID",  # Flake8-tidy-imports – enforces specific import styles (e.g., no relative imports)
    "BLE",  # Flake8-blind-except – flags bare excepts
    "TRY",  # Tryceratops – try/except usage suggestions
    "PIE",  # Flake8-pie – Python improvement suggestions
    "PTH",  # flake8-use-pathlib
    "C4",   # flake8-comprehensions
    # "FBT",# Flake8-boolean-trap – potential pitfalls with booleans
    "INP",  # Flake8-no-pep420 – requires __init__.py files (no implicit namespace packages)
    "TC",   # Flake8-type-checking – proper import of typing in type checks
    "ARG",  # Flake8-unused-arguments – flags unused function arguments
    "LOG",  # flake8-logging
    "G",    # Flake8-logging-format – logging format string issues
    "TD",   # Flake8-todos – flags TODO comments
    "FIX",  # Flake8-fixme – flags FIXME comments
]

ignore = [
    "E501",    # Line too long (because we are using the formatter)
    "BLE001",  # Blind exception
    "COM812",  # Conflicts with the formatter
    "ISC001",  # Conflicts with the formatter
]

[format]
quote-style = "double"
indent-style = "space"