ruff.toml

# Canonical ruff configuration for danielstaps research repos.
# Copy into a repo as `ruff.toml`, or merge into `[tool.ruff]` in pyproject.toml.

line-length = 100
target-version = "py39"

# Keep legacy/vendored/experiment dumps out of linting.
extend-exclude = [
    "old",
    "*.old",
    "res_*",
    "paper_*",
    "ultimate_paper_*",
    "SVDDPython",
    "venv_tf",
    "data",
]

[lint]
# E/W: pycodestyle, F: pyflakes (unused imports/vars), I: isort,
# UP: pyupgrade (modernize syntax), B: flake8-bugbear (likely bugs).
select = ["E", "W", "F", "I", "UP", "B"]
ignore = [
    "E501",   # line length is handled by the formatter
    "B008",   # function call in argument defaults (common in research code)
    "UP031",  # %-formatting is fine; mass f-string rewrite risks subtle breakage
    "B007",   # unused loop variable (harmless in research/plotting loops)
    "E741",   # ambiguous variable names (l, I, ...) used a lot in the maths
]

[lint.per-file-ignores]
"__init__.py" = ["F401"]   # re-exports
"examples/*" = ["E402"]    # imports after config blocks in example scripts