[tool.black]
line_length = 130
target_version = ["py310"]
skip_magic_trailing_comma = true
# Exclude protobuf files because they have long line lengths
# Ideally, we could configure Black to allow longer line lengths
# for just these files, but doesn't seem possible yet.
force-exclude = ".*_pb2.pyi"

[tool.ruff]
line-length = 130
# Oldest supported Python version
target-version = "py38"
fix = true
exclude = [
    # virtual environment
    ".env",
    ".venv",
    "env",
    # cache directories, etc.:
    ".git",
    ".mypy_cache",
    ".pytype",
]

[tool.ruff.lint]
# Disable all rules on test cases by default:
# test cases often deliberately contain code
# that might not be considered idiomatic or modern.
#
# Note: some rules that are specifically useful to the test cases
# are invoked via separate runs of ruff in pre-commit:
# see our .pre-commit-config.yaml file for details
exclude = ["**/test_cases/**/*.py"]
select = [
    "B", # flake8-bugbear
    "FA", # flake8-future-annotations
    "I", # isort
    "UP", # pyupgrade
    # Only enable rules that have safe autofixes:
    "F401", # Remove unused imports
    "PYI009", # use `...`, not `pass`, in empty class bodies
    "PYI010", # function bodies must be empty
    "PYI012", # class bodies must not contain `pass`
    "PYI013", # non-empty class bodies must not contain `...`
    "PYI016", # duplicate union member
    "PYI020", # quoted annotations are always unnecessary in stubs
    "PYI025", # always alias `collections.abc.Set` as `AbstractSet` when importing it
    "PYI032", # use `object`, not `Any`, as the second parameter to `__eq__`
    "PYI055", # multiple `type[T]` usages in a union
    "PYI058", # use `Iterator` as the return type for `__iter__` methods
]
ignore = [
    # Slower and more verbose https://github.com/astral-sh/ruff/issues/7871
    "UP038", # Use `X | Y` in `isinstance` call instead of `(X, Y)`
]

[tool.ruff.lint.per-file-ignores]
"*.pyi" = [
    # Most flake8-bugbear rules don't apply for third-party stubs like typeshed.
    # B033 could be slightly useful but Ruff doesn't have per-file select
    "B", # flake8-bugbear
]

[tool.ruff.lint.isort]
split-on-trailing-comma = false
combine-as-imports = true
extra-standard-library = [
    "_typeshed",
    "typing_extensions",
    # Extra modules not recognized by Ruff/isort
    "_ast",
    "_bisect",
    "_bootlocale",
    "_codecs",
    "_collections_abc",
    "_compat_pickle",
    "_compression",
    "_csv",
    "_ctypes",
    "_curses",
    "_decimal",
    "_dummy_thread",
    "_dummy_threading",
    "_heapq",
    "_imp",
    "_json",
    "_locale",
    "_lsprof",
    "_markupbase",
    "_msi",
    "_operator",
    "_osx_support",
    "_posixsubprocess",
    "_py_abc",
    "_pydecimal",
    "_random",
    "_sitebuiltins",
    "_socket",
    "_stat",
    "_thread",
    "_threading_local",
    "_tkinter",
    "_tracemalloc",
    "_warnings",
    "_weakref",
    "_weakrefset",
    "_winapi",
    "genericpath",
    "opcode",
    "pyexpat",
]
known-first-party = ["parse_metadata", "utils"]

[tool.typeshed]
pyright_version = "1.1.350"
oldest_supported_python = "3.8"