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Linting & Formatting


ruff​

python3 -m pip install ruff
pyproject.toml
[tool.ruff]
exclude = [
  ".bzr",
  ".direnv",
  ".eggs",
  ".git",
  ".git-rewrite",
  ".hg",
  ".mypy_cache",
  ".nox",
  ".pants.d",
  ".pytype",
  ".ruff_cache",
  ".svn",
  ".tox",
  ".venv",
  "__pypackages__",
  "_build",
  "buck-out",
  "build",
  "dist",
  "node_modules",
  "venv",
]

line-length = 100
indent-width = 4

[tool.ruff.lint]
select = ["E4", "E7", "E9", "F"]
ignore = []

fixable = ["ALL"]
unfixable = []

dummy-variable-rgx = "^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"

[tool.ruff.format]
quote-style = "double"
indent-style = "space"
skip-magic-trailing-comma = false
line-ending = "auto"
ruff format **/*.py

mypy​

python3 -m pip install mypy
pyproject.toml
[tool.mypy]

[[tool.mypy.overrides]]
# module = "<pattern>" # ex) "module.*"
# 옵션

inline 오류 무시​

부분적으로만 무시하고 싶은 경우에는 에러가 발생하는 줄에 # type: ignore[<errorCode>, ...] 주석을 추가하면 됩니다.

a: int = 1.0  # type: ignore[assignment]

pylint, black, isort​

pylint​

python3 -m pip install pylint
pylint --generate-toml-config >> pyproject.toml
pyproject.toml
[tool.pylint.main]

ignore-patterns = ["^\\.#", ".*_pb2.pyi?"]

[tool.pylint."messages control"]

disable = [
  "bad-inline-option",
  "bare-except",
  "broad-exception-caught",
  "deprecated-pragma",
  "file-ignored",
  "invalid-name",
  "line-too-long",
  "locally-disabled",
  "missing-class-docstring",
  "missing-function-docstring",
  "missing-module-docstring",
  "raw-checker-failed",
  "suppressed-message",
  "too-few-public-methods",
  "too-many-arguments",
  "too-many-return-statements",
  "useless-suppression",
  "use-implicit-booleaness-not-comparison-to-string",
  "use-implicit-booleaness-not-comparison-to-zero",
  "use-symbolic-message-instead",
]
pylint **/*.py

inline 오류 무시​

부분적으로만 무시하고 싶은 경우에는 에러가 발생하는 줄에 # pylint: disable=<errorCode> 주석을 추가하면 됩니다.

a._b = 1  # pylint: disable=protected-access

black​

python3 -m pip install black
black **/*.py
pyproject.toml
[tool.black]
exclude = '''
/(
    \.eggs
  | \.git
  | \.hg
  | \.mypy_cache
  | \.nox
  | \.tox
  | \.venv
  | _build
  | buck-out
  | build
  | dist
)/
'''
include = '\.pyi?$'
line-length = 100

isort​

python3 -m pip install isort
isort --profile black **/*.py
pyproject.toml
[tool.isort]
line_length = 100
profile = "black"
skip_gitignore = true
multi_line_output = 3