ruff.toml

# Ruff configuration for gixy
# Focuses on catching real bugs, not legacy style issues

[lint]
# Enable sensible defaults
select = [
    "E",      # pycodestyle errors
    "F",      # pyflakes
    "W",      # pycodestyle warnings
    "B",      # flake8-bugbear
    "C4",     # flake8-comprehensions
    "UP",     # pyupgrade
    "SIM",    # flake8-simplify
]

# Ignore rules that would require major refactoring of legacy code
ignore = [
    "E501",   # line-too-long (223 occurrences in legacy code)
    "E711",   # none-comparison (== None vs is None)
    "F403",   # undefined-local-with-import-star (sre_parse uses star imports)
    "F405",   # undefined-local-with-import-star-usage
    "UP008",  # super-call-with-parameters (legacy Python 2 style)
    "UP021",  # universal-newlines -> text (text requires Python 3.7+, we support 3.6)
    "UP030",  # format-literals (legacy .format() style)
    "UP031",  # printf-string-formatting (legacy % style)
    "SIM102", # collapsible-if (sometimes clearer as-is)
    "SIM105", # suppressible-exception (contextlib.suppress not always clearer)
    "SIM103", # needless-bool (sometimes clearer as-is in complex conditions)
    "SIM108", # if-else-block-instead-of-if-exp (ternary)
    "SIM110", # reimplemented-builtin (any/all)
    "E721",   # type-comparison (sometimes intentional)
    "E722",   # bare-except (legacy code)
    "B007",   # unused-loop-control-variable (false positives)
    "B904",   # raise-without-from-inside-except
]

# Exclude generated/vendored/legacy code
exclude = [
    "gixy/core/sre_parse/*",  # Vendored Python sre_parse
    "site/*",
    ".git",
    "setup.py",  # Legacy Python 2 compat hacks
]

[lint.per-file-ignores]
# Tests often have stylistic shortcuts
"tests/*" = ["B", "SIM", "RUF012"]