ruff.toml

# Ruff configuration — matches the rule selection used in CI.
# See `.github/workflows/ci.yml` for the same rule set in the lint job.

line-length = 120
target-version = "py310"

[lint]
# Conservative selection: errors, warnings, pyflakes, bugbear (real bugs),
# comprehensions, isort, naming, pyupgrade, simplification, PIE, return,
# ruff-specific safety checks.
select = ["E", "W", "F", "B", "C4", "I", "N", "UP", "SIM", "PIE", "RET", "RUF"]

# Don't auto-flag long lines on comments (URLs in docstrings); flag code lines.
ignore = [
    "E501",   # line-too-long — formatter handles this; keep informational
    "B011",   # `assert False` — test scaffolding pattern is common here
    "N812",   # lowercase imported as uppercase (numpy as np conventions etc.)
    "SIM108", # ternary-instead-of-if-else — sometimes hurts readability
]

[lint.per-file-ignores]
"tests/**/*.py" = ["B", "N802", "N803", "N806", "RUF"]  # test code is allowed to be looser
"conftest.py" = ["B", "N802", "N803", "N806"]