pyproject.toml

[build-system]
requires = [
    # NOTE: this needs to be kept in sync with mypy-requirements.txt
    # and build-requirements.txt, because those are both needed for
    # self-typechecking :/
    "setuptools >= 40.6.2",
    "wheel >= 0.30.0",
    # the following is from mypy-requirements.txt
    "typing_extensions>=4.1.0",
    "mypy_extensions>=1.0.0",
    "typed_ast>=1.4.0,<2; python_version<'3.8'",
    "tomli>=1.1.0; python_version<'3.11'",
    # the following is from build-requirements.txt
    "types-psutil",
    "types-setuptools",
    "types-typed-ast>=1.5.8.5,<1.6.0",
]
build-backend = "setuptools.build_meta"

[tool.black]
line-length = 99
target-version = ["py37", "py38", "py39", "py310", "py311"]
skip-magic-trailing-comma = true
force-exclude = '''
^/mypy/typeshed|
^/mypyc/test-data|
^/test-data
'''

[tool.isort]
py_version = 37
profile = "black"
line_length = 99
combine_as_imports = true
skip_gitignore = true
extra_standard_library = ["typing_extensions"]
skip_glob = [
    "mypy/typeshed/*",
    "mypyc/test-data/*",
    "test-data/*",
]

[tool.ruff]
line-length = 99
target-version = "py37"

select = [
  "E",       # pycoderstyle (error)
  "F",       # pyflakes
  "B",       # flake8-bugbear
  "RUF100",  # Unused noqa comments
  "PGH004"  # blanket noqa comments
]

ignore = [
  "B006",  # use of mutable defaults in function signatures
  "B007",  # Loop control variable not used within the loop body.
  "B011",  # Don't use assert False
  "B023",  # Function definition does not bind loop variable
  "E203",  # conflicts with black
  "E402",  # module level import not at top of file
  "E501",  # conflicts with black
  "E731",  # Do not assign a `lambda` expression, use a `def`
  "E741",  # Ambiguous variable name
]

extend-exclude = [
  "@*",
  # Sphinx configuration is irrelevant
  "docs/source/conf.py",
  "mypyc/doc/conf.py",
  # tests have more relaxed styling requirements
  # fixtures have their own .pyi-specific configuration
  "test-data/*",
  "mypyc/test-data/*",
  # typeshed has its own .pyi-specific configuration
  "mypy/typeshed/*",
]