ruff.toml

# Ruff configuration
# Docs: https://docs.astral.sh/ruff/

# Same as Black
line-length = 120
indent-width = 4

# Assume Python 3.13
target-version = "py313"

[lint]
# Enable pycodestyle (`E`) and Pyflakes (`F`) codes by default.
# Unlike Flake8, default to a restricted set of rules rather than all rules.
# Add additional rule sets as needed.
select = [
    "E",     # pycodestyle errors
    "W",     # pycodestyle warnings
    "F",     # Pyflakes
    "UP",    # pyupgrade
    "B",     # flake8-bugbear
    "SIM",   # flake8-simplify
    "I",     # isort
    "N",     # pep8-naming
    "C90",   # mccabe
    "RUF",   # Ruff-specific rules
]
ignore = [
    "E501",  # line too long, handled by black
    "B008",  # do not perform function calls in argument defaults
    "C901",  # too complex
    "W191",  # indentation contains tabs
    "N802",  # Function name should be lowercase (allow _YYYY_MM_to_unixtime_range)
    "SIM115", # Use context manager for opening files (complex cases)
    "SIM117", # Use single with statement (readability preference)
    "E402",  # Module level import not at top (test fixtures)
    "B904",  # Within except clause, raise from err (legacy compatibility)
]

# Allow fix for all enabled rules (when `--fix`) is provided.
fixable = ["ALL"]
unfixable = []

# Allow unused variables when underscore-prefixed.
dummy-variable-rgx = "^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"

[format]
# Like Black, use double quotes for strings.
quote-style = "double"

# Like Black, indent with spaces, rather than tabs.
indent-style = "space"

# Like Black, respect magic trailing commas.
skip-magic-trailing-comma = false

# Like Black, automatically detect the appropriate line ending.
line-ending = "auto"

[lint.per-file-ignores]
"tests/*" = ["S101"]  # Allow assert statements in tests
"conftest.py" = ["F401"]  # Allow unused imports in conftest.py
"app/routes/notifications.py" = ["E712"]  # Peewee ORM uses == False for SQL WHERE clauses