ruff.toml

line-length = 88
indent-width = 4
include = [
  "vegafusion-python/vegafusion/**/*.py", 
  "vegafusion-python/tests/**/*.py", 
  "vegafusion-python/checks/**/*.py",
  "examples/python-examples/**/*.py",
]
exclude = ["vegafusion-python/tests/altair_mocks/**/*.py"]
target-version = "py39"

[lint]
select = [
  "E",   # pycodestyle Error
  "F",   # Pyflakes
  "W",   # pycodestyle Warning
  "I",   # isort
  "N",   # PEP8 Naming
  "UP",  # pyupgrade
  "YTT", # flake8-2020
  "ANN", # flake8-annotations
  "S",   # flake8-bandit
  "BLE", # flake8-blind-except
  "B",   # flake8-bugbear
  "A",   # flake8-annotations-complexity
  "C4",  # flake8-comprehensions
  "EM",  # flake8-errmsg
  "FA",  # flake8-future-annotations
]

ignore = [
  # Allow assert statements
  "S101",

  # Rules that conflict with other rules
  "D211", # No blank lines allowed before class docstring (no-blank-line-before-class-docstring)
  "D213", # Multi-line docstring summary should start at the second line (multi-line-docstring-summary-start)
  "EM101", # Exception must not use an string literal
  "EM102",  # Exception must not use an f-string literal

  # Not compatible with Python 3.9. Re-enable when upgrading to Python 3.10+
  "UP007", # Using old-style union syntax (e.g., Union[int, str] instead of int | str)
  "UP018", # Using non-native literals (e.g., using 'int' instead of 'Literal[int]')

  # Deprecated and not useful
  "ANN101", # Missing type annotation for self in method (missing-type-annotation-for-self)
  "ANN102", # Missing type annotation for class (missing-type-cls)

  "S608", # SQL injection

  # Conflicting lint rules with Ruff formatter
  "W191",   # Tab indentation
  "E111",   # Indentation with invalid multiple
  "E114",   # Indentation with invalid multiple comment
  "E117",   # Over-indented
  "D206",   # Indent with spaces
  "D300",   # Triple single quotes
  "Q000",   # Bad quotes inline string
  "Q001",   # Bad quotes multiline string
  "Q002",   # Bad quotes docstring
  "Q003",   # Avoidable escaped quote
  "COM812", # Missing trailing comma
  "COM819", # Prohibited trailing comma
  "ISC001", # Single-line implicit string concatenation
  "ISC002", # Multi-line implicit string concatenation
]

[lint.per-file-ignores]
# Ignore some lint checks in test directory
"vegafusion-python/tests/*" = ["D", "ANN", "S", "I", "E501"]
"examples/python-examples/*" = ["D", "ANN", "S", "I", "E501"]