Move from typing import TypeAlias outside if TYPE_CHECKING

setuptools/_path.py

@@ -3,13 +3,10 @@
 import contextlib
 import os
 import sys
-from typing import TYPE_CHECKING, TypeVar
+from typing import TypeAlias, TypeVar
 
 from more_itertools import unique_everseen
 
-if TYPE_CHECKING:
-    from typing import TypeAlias
-
 StrPath: TypeAlias = str | os.PathLike[str]  #  Same as _typeshed.StrPath
 StrPathT = TypeVar("StrPathT", bound=str | os.PathLike[str])
 

setuptools/_reqs.py

@@ -2,14 +2,11 @@
 
 from collections.abc import Callable, Iterable, Iterator
 from functools import lru_cache
-from typing import TYPE_CHECKING, TypeVar, overload
+from typing import TypeAlias, TypeVar, overload
 
 import jaraco.text as text
 from packaging.requirements import Requirement
 
-if TYPE_CHECKING:
-    from typing import TypeAlias
-
 _T = TypeVar("_T")
 _StrOrIter: TypeAlias = str | Iterable[str]
 

setuptools/build_meta.py

@@ -39,7 +39,7 @@
 import warnings
 from collections.abc import Iterable, Iterator, Mapping
 from pathlib import Path
-from typing import TYPE_CHECKING, NoReturn
+from typing import NoReturn, TypeAlias
 
 import setuptools
 
@@ -51,9 +51,6 @@
 import distutils
 from distutils.util import strtobool
 
-if TYPE_CHECKING:
-    from typing import TypeAlias
-
 __all__ = [
     'get_requires_for_build_sdist',
     'get_requires_for_build_wheel',

setuptools/command/bdist_egg.py

@@ -12,7 +12,7 @@
 from collections.abc import Iterator
 from sysconfig import get_path, get_platform, get_python_version
 from types import CodeType
-from typing import TYPE_CHECKING, AnyStr, Literal
+from typing import TYPE_CHECKING, AnyStr, Literal, TypeAlias
 
 from setuptools import Command
 from setuptools.extension import Library
@@ -23,8 +23,6 @@
 from distutils.dir_util import mkpath, remove_tree
 
 if TYPE_CHECKING:
-    from typing import TypeAlias
-
     from _typeshed import GenericPath
 
 # Same as zipfile._ZipFileMode from typeshed

setuptools/compat/py311.py

@@ -3,11 +3,9 @@
 import shutil
 import sys
 from collections.abc import Callable
-from typing import TYPE_CHECKING, Any
+from typing import TYPE_CHECKING, Any, TypeAlias
 
 if TYPE_CHECKING:
-    from typing import TypeAlias
-
     from _typeshed import ExcInfo, StrOrBytesPath
 
 # Same as shutil._OnExcCallback from typeshed

setuptools/config/_apply_pyprojecttoml.py

@@ -18,7 +18,7 @@
 from inspect import cleandoc
 from itertools import chain
 from types import MappingProxyType
-from typing import TYPE_CHECKING, Any, TypeVar
+from typing import TYPE_CHECKING, Any, TypeAlias, TypeVar
 
 from .. import _static
 from .._path import StrPath
@@ -27,12 +27,10 @@
 from ..warnings import SetuptoolsDeprecationWarning, SetuptoolsWarning
 
 if TYPE_CHECKING:
-    from typing import TypeAlias
-
     from setuptools._importlib import metadata
     from setuptools.dist import Distribution
 
     from distutils.dist import _OptionsList  # Comes from typeshed
 
 
 EMPTY: Mapping = MappingProxyType({})  # Immutable dict-like
@@ -405,7 +403,7 @@
     >>> _attrgetter("d")(obj) is None
     True
     """
     return partial(reduce, lambda acc, x: getattr(acc, x, None), attr.split("."))
 
 
 def _some_attrgetter(*items):

setuptools/config/setupcfg.py

@@ -18,7 +18,7 @@
 from collections import defaultdict
 from collections.abc import Callable, Iterable, Iterator
 from functools import partial, wraps
-from typing import TYPE_CHECKING, Any, ClassVar, Generic, TypeVar, cast
+from typing import TYPE_CHECKING, Any, ClassVar, Generic, TypeAlias, TypeVar, cast
 
 from packaging.markers import default_environment as marker_env
 from packaging.requirements import InvalidRequirement, Requirement
@@ -31,8 +31,6 @@
 from . import expand
 
 if TYPE_CHECKING:
-    from typing import TypeAlias
-
     from setuptools.dist import Distribution
 
     from distutils.dist import DistributionMetadata

setuptools/dist.py

@@ -10,7 +10,7 @@
 from collections.abc import Iterable, Iterator, MutableMapping, Sequence
 from glob import glob
 from pathlib import Path
-from typing import TYPE_CHECKING, Any
+from typing import TYPE_CHECKING, Any, TypeAlias
 
 from more_itertools import partition, unique_everseen
 from packaging.markers import InvalidMarker, Marker
@@ -43,10 +43,6 @@
 from distutils.fancy_getopt import translate_longopt
 from distutils.util import strtobool
 
-if TYPE_CHECKING:
-    from typing import TypeAlias
-
-
 __all__ = ['Distribution']
 
 _sequence = tuple, list

setuptools/warnings.py

@@ -12,10 +12,7 @@
 from datetime import date
 from inspect import cleandoc
 from textwrap import indent
-from typing import TYPE_CHECKING
-
-if TYPE_CHECKING:
-    from typing import TypeAlias
+from typing import TypeAlias
 
 _DueDate: TypeAlias = tuple[int, int, int]  # time tuple
 _INDENT = 8 * " "