Merge branch 'main' into update-ruff

Author: AlexWaygood

.github/workflows/main.yml

@@ -63,6 +63,9 @@ jobs:
         - platform: ubuntu-latest
           python: "3.10"
           distutils: stdlib
+        # TODO: Re-evaluate the need for the following workaround
+        exclude:
+        - {python: "3.9", platform: "macos-latest"}  # actions/setup-python#981
     runs-on: ${{ matrix.platform }}
     continue-on-error: ${{ matrix.python == '3.14' }}
     env:

docs/userguide/quickstart.rst

@@ -199,7 +199,7 @@ Package discovery
 -----------------
 For projects that follow a simple directory structure, ``setuptools`` should be
 able to automatically detect all :term:`packages <package>` and
-:term:`namespaces <namespace>`. However, complex projects might include
+:term:`namespaces <namespace package>`. However, complex projects might include
 additional folders and supporting files that not necessarily should be
 distributed (or that can confuse ``setuptools`` auto discovery algorithm).
 

mypy.ini

@@ -58,16 +58,16 @@ ignore_missing_imports = True
 
 #  - wheel: does not intend on exposing a programmatic API https://github.com/pypa/wheel/pull/610#issuecomment-2081687671
 [mypy-wheel.*]
-ignore_missing_imports = True
+follow_untyped_imports = True
 # - The following are not marked as py.typed:
 #  - jaraco: Since mypy 1.12, the root name of the untyped namespace package gets called-out too
 #  - jaraco.develop: https://github.com/jaraco/jaraco.develop/issues/22
 #  - jaraco.envs: https://github.com/jaraco/jaraco.envs/issues/7
 #  - jaraco.packaging: https://github.com/jaraco/jaraco.packaging/issues/20
 #  - jaraco.path: https://github.com/jaraco/jaraco.path/issues/2
 #  - jaraco.text: https://github.com/jaraco/jaraco.text/issues/17
-[mypy-jaraco,jaraco.develop,jaraco.envs,jaraco.packaging.*,jaraco.path,jaraco.text]
-ignore_missing_imports = True
+[mypy-jaraco,jaraco.develop.*,jaraco.envs,jaraco.packaging.*,jaraco.path,jaraco.text]
+follow_untyped_imports = True
 
 # Even when excluding a module, import issues can show up due to following import
 # https://github.com/python/mypy/issues/11936#issuecomment-1466764006

newsfragments/4478.feature.rst

@@ -0,0 +1 @@
+Synced with pypa/distutils@c97a3db2f including better support for free threaded Python on Windows (pypa/distutils#310), improved typing support, and linter accommodations.

pyproject.toml

@@ -44,7 +44,7 @@ test = [
 	"packaging>=24.2",
 	"jaraco.envs>=2.2",
 	"pytest-xdist>=3", # Dropped dependency on pytest-fork and py
-	"jaraco.path>=3.2.0",
+	"jaraco.path>=3.7.2", # Typing fixes
 	"build[virtualenv]>=1.0.3",
 	"filelock>=3.4.0",
 	"ini2toml[lite]>=0.14",
@@ -102,7 +102,7 @@ core = [
 
 	# for distutils
 	"jaraco.collections",
-	"jaraco.functools>=4",
+	"jaraco.functools >= 4",
 	"packaging",
 	"more_itertools",
 ]
@@ -135,7 +135,7 @@ type = [
 	# pin mypy version so a new version doesn't suddenly cause the CI to fail,
 	# until types-setuptools is removed from typeshed.
 	# For help with static-typing issues, or mypy update, ping @Avasam
-	"mypy>=1.12,<1.14",
+	"mypy==1.14.*",
 	# Typing fixes in version newer than we require at runtime
 	"importlib_metadata>=7.0.2; python_version < '3.10'",
 	# Imported unconditionally in tools/finalize.py
@@ -210,6 +210,10 @@ exclude = [
 ]
 namespaces = true
 
+[tool.setuptools.exclude-package-data]
+# Remove ruff.toml when installing vendored packages (#4652)
+"*" = ["ruff.toml"]
+
 [tool.distutils.sdist]
 formats = "zip"
 

setuptools/_distutils/cmd.py

@@ -4,15 +4,21 @@
 in the distutils.command package.
 """
 
+from __future__ import annotations
+
 import logging
 import os
 import re
 import sys
+from collections.abc import Callable
+from typing import Any, ClassVar, TypeVar, overload
 
 from . import _modified, archive_util, dir_util, file_util, util
 from ._log import log
 from .errors import DistutilsOptionError
 
+_CommandT = TypeVar("_CommandT", bound="Command")
+
 
 class Command:
     """Abstract base class for defining command classes, the "worker bees"
@@ -44,7 +50,14 @@ class Command:
     # 'sub_commands' is usually defined at the *end* of a class, because
     # predicates can be unbound methods, so they must already have been
     # defined.  The canonical example is the "install" command.
-    sub_commands = []
+    sub_commands: ClassVar[  # Any to work around variance issues
+        list[tuple[str, Callable[[Any], bool] | None]]
+    ] = []
+
+    user_options: ClassVar[
+        # Specifying both because list is invariant. Avoids mypy override assignment issues
+        list[tuple[str, str, str]] | list[tuple[str, str | None, str]]
+    ] = []
 
     # -- Creation/initialization methods -------------------------------
 
@@ -305,7 +318,17 @@ def get_finalized_command(self, command, create=True):
 
     # XXX rename to 'get_reinitialized_command()'? (should do the
     # same in dist.py, if so)
-    def reinitialize_command(self, command, reinit_subcommands=False):
+    @overload
+    def reinitialize_command(
+        self, command: str, reinit_subcommands: bool = False
+    ) -> Command: ...
+    @overload
+    def reinitialize_command(
+        self, command: _CommandT, reinit_subcommands: bool = False
+    ) -> _CommandT: ...
+    def reinitialize_command(
+        self, command: str | Command, reinit_subcommands=False
+    ) -> Command:
         return self.distribution.reinitialize_command(command, reinit_subcommands)
 
     def run_command(self, command):

setuptools/_distutils/command/bdist.py

@@ -5,6 +5,7 @@
 
 import os
 import warnings
+from typing import ClassVar
 
 from ..core import Command
 from ..errors import DistutilsOptionError, DistutilsPlatformError
@@ -23,7 +24,7 @@ def show_formats():
     pretty_printer.print_help("List of available distribution formats:")
 
 
-class ListCompat(dict):
+class ListCompat(dict[str, tuple[str, str]]):
     # adapter to allow for Setuptools compatibility in format_commands
     def append(self, item):
         warnings.warn(
@@ -70,7 +71,7 @@ class bdist(Command):
     ]
 
     # The following commands do not take a format option from bdist
-    no_format_option = ('bdist_rpm',)
+    no_format_option: ClassVar[tuple[str, ...]] = ('bdist_rpm',)
 
     # This won't do in reality: will need to distinguish RPM-ish Linux,
     # Debian-ish Linux, Solaris, FreeBSD, ..., Windows, Mac OS.

setuptools/_distutils/command/build.py

@@ -113,7 +113,8 @@ def finalize_options(self):  # noqa: C901
             self.build_temp = os.path.join(self.build_base, 'temp' + plat_specifier)
         if self.build_scripts is None:
             self.build_scripts = os.path.join(
-                self.build_base, 'scripts-%d.%d' % sys.version_info[:2]
+                self.build_base,
+                f'scripts-{sys.version_info.major}.{sys.version_info.minor}',
             )
 
         if self.executable is None and sys.executable:

setuptools/_distutils/command/build_clib.py

@@ -16,6 +16,7 @@
 
 import os
 from distutils._log import log
+from typing import ClassVar
 
 from ..core import Command
 from ..errors import DistutilsSetupError
@@ -31,7 +32,7 @@ def show_compilers():
 class build_clib(Command):
     description = "build C/C++ libraries used by Python extensions"
 
-    user_options = [
+    user_options: ClassVar[list[tuple[str, str, str]]] = [
         ('build-clib=', 'b', "directory to build C/C++ libraries to"),
         ('build-temp=', 't', "directory to put temporary build by-products"),
         ('debug', 'g', "compile with debugging information"),
@@ -138,8 +139,7 @@ def check_library_list(self, libraries):
 
             if '/' in name or (os.sep != '/' and os.sep in name):
                 raise DistutilsSetupError(
-                    f"bad library name '{lib[0]}': "
-                    "may not contain directory separators"
+                    f"bad library name '{lib[0]}': may not contain directory separators"
                 )
 
             if not isinstance(build_info, dict):

setuptools/_distutils/command/build_ext.py

@@ -23,7 +23,7 @@
 )
 from ..extension import Extension
 from ..sysconfig import customize_compiler, get_config_h_filename, get_python_version
-from ..util import get_platform, is_mingw
+from ..util import get_platform, is_freethreaded, is_mingw
 
 # An extension name is just a dot-separated list of Python NAMEs (ie.
 # the same as a fully-qualified module name).
@@ -333,6 +333,12 @@ def run(self):  # noqa: C901
         if os.name == 'nt' and self.plat_name != get_platform():
             self.compiler.initialize(self.plat_name)
 
+        # The official Windows free threaded Python installer doesn't set
+        # Py_GIL_DISABLED because its pyconfig.h is shared with the
+        # default build, so define it here (pypa/setuptools#4662).
+        if os.name == 'nt' and is_freethreaded():
+            self.compiler.define_macro('Py_GIL_DISABLED', '1')
+
         # And make sure that any compile/link-related options (which might
         # come from the command-line or from the setup script) are set in
         # that CCompiler object -- that way, they automatically apply to
@@ -437,8 +443,7 @@ def check_extensions_list(self, extensions):  # noqa: C901
                 for macro in macros:
                     if not (isinstance(macro, tuple) and len(macro) in (1, 2)):
                         raise DistutilsSetupError(
-                            "'macros' element of build info dict "
-                            "must be 1- or 2-tuple"
+                            "'macros' element of build info dict must be 1- or 2-tuple"
                         )
                     if len(macro) == 1:
                         ext.undef_macros.append(macro[0])
@@ -666,8 +671,7 @@ def find_swig(self):
                 return "swig.exe"
         else:
             raise DistutilsPlatformError(
-                "I don't know how to find (much less run) SWIG "
-                f"on platform '{os.name}'"
+                f"I don't know how to find (much less run) SWIG on platform '{os.name}'"
             )
 
     # -- Name generators -----------------------------------------------