Merge typeshed return annotations

setuptools/__init__.py

@@ -108,11 +108,12 @@ def _fetch_build_eggs(dist: Distribution):
         raise
 
 
-def setup(**attrs):
+def setup(**attrs) -> Distribution:
     logging.configure()
     # Make sure we have any requirements needed to interpret 'attrs'.
     _install_setup_requires(attrs)
-    return distutils.core.setup(**attrs)
+    # Override return type of distutils.core.Distribution with setuptools.dist.Distribution
+    return distutils.core.setup(**attrs)  # type: ignore[return-value]
 
 
 setup.__doc__ = distutils.core.setup.__doc__
@@ -176,14 +177,14 @@ def __init__(self, dist: Distribution, **kw) -> None:
     @overload
     def reinitialize_command(
         self, command: str, reinit_subcommands: bool = False, **kw
-    ) -> _Command: ...
+    ) -> Command: ...  # override distutils.cmd.Command with setuptools.Command
     @overload
     def reinitialize_command(
         self, command: _CommandT, reinit_subcommands: bool = False, **kw
     ) -> _CommandT: ...
     def reinitialize_command(
         self, command: str | _Command, reinit_subcommands: bool = False, **kw
-    ) -> _Command:
+    ) -> Command | _Command:
         cmd = _Command.reinitialize_command(self, command, reinit_subcommands)
         vars(cmd).update(kw)
         return cmd  # pyright: ignore[reportReturnType] # pypa/distutils#307

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, Union
+from typing import TYPE_CHECKING, NoReturn, Union
 
 import setuptools
 
@@ -74,14 +74,14 @@ def __init__(self, specifiers) -> None:
 
 
 class Distribution(setuptools.dist.Distribution):
-    def fetch_build_eggs(self, specifiers):
+    def fetch_build_eggs(self, specifiers) -> NoReturn:
         specifier_list = list(parse_strings(specifiers))
 
         raise SetupRequirementsError(specifier_list)
 
     @classmethod
     @contextlib.contextmanager
-    def patch(cls):
+    def patch(cls) -> Iterator[None]:
         """
         Replace
         distutils.dist.Distribution with this class
@@ -304,7 +304,7 @@ def _get_build_requires(
 
         return requirements
 
-    def run_setup(self, setup_script: str = 'setup.py'):
+    def run_setup(self, setup_script: str = 'setup.py') -> None:
         # Note that we can reuse our build directory between calls
         # Correctness comes first, then optimization later
         __file__ = os.path.abspath(setup_script)
@@ -327,10 +327,14 @@ def run_setup(self, setup_script: str = 'setup.py'):
                 "setup-py-deprecated.html",
             )
 
-    def get_requires_for_build_wheel(self, config_settings: _ConfigSettings = None):
+    def get_requires_for_build_wheel(
+        self, config_settings: _ConfigSettings = None
+    ) -> list[str]:
         return self._get_build_requires(config_settings, requirements=[])
 
-    def get_requires_for_build_sdist(self, config_settings: _ConfigSettings = None):
+    def get_requires_for_build_sdist(
+        self, config_settings: _ConfigSettings = None
+    ) -> list[str]:
         return self._get_build_requires(config_settings, requirements=[])
 
     def _bubble_up_info_directory(
@@ -361,7 +365,7 @@ def _find_info_directory(self, metadata_directory: StrPath, suffix: str) -> Path
 
     def prepare_metadata_for_build_wheel(
         self, metadata_directory: StrPath, config_settings: _ConfigSettings = None
-    ):
+    ) -> str:
         sys.argv = [
             *sys.argv[:1],
             *self._global_args(config_settings),
@@ -417,7 +421,7 @@ def build_wheel(
         wheel_directory: StrPath,
         config_settings: _ConfigSettings = None,
         metadata_directory: StrPath | None = None,
-    ):
+    ) -> str:
         def _build(cmd: list[str]):
             with suppress_known_deprecation():
                 return self._build_with_temp_dir(
@@ -442,7 +446,7 @@ def _build(cmd: list[str]):
 
     def build_sdist(
         self, sdist_directory: StrPath, config_settings: _ConfigSettings = None
-    ):
+    ) -> str:
         return self._build_with_temp_dir(
             ['sdist', '--formats', 'gztar'], '.tar.gz', sdist_directory, config_settings
         )
@@ -459,7 +463,7 @@ def build_editable(
         wheel_directory: StrPath,
         config_settings: _ConfigSettings = None,
         metadata_directory: StrPath | None = None,
-    ):
+    ) -> str:
         # XXX can or should we hide our editable_wheel command normally?
         info_dir = self._get_dist_info_dir(metadata_directory)
         opts = ["--dist-info-dir", info_dir] if info_dir else []
@@ -469,12 +473,14 @@ def build_editable(
                 cmd, ".whl", wheel_directory, config_settings
             )
 
-    def get_requires_for_build_editable(self, config_settings: _ConfigSettings = None):
+    def get_requires_for_build_editable(
+        self, config_settings: _ConfigSettings = None
+    ) -> list[str]:
         return self.get_requires_for_build_wheel(config_settings)
 
     def prepare_metadata_for_build_editable(
         self, metadata_directory: StrPath, config_settings: _ConfigSettings = None
-    ):
+    ) -> str:
         return self.prepare_metadata_for_build_wheel(
             metadata_directory, config_settings
         )
@@ -492,7 +498,7 @@ class _BuildMetaLegacyBackend(_BuildMetaBackend):
     and will eventually be removed.
     """
 
-    def run_setup(self, setup_script: str = 'setup.py'):
+    def run_setup(self, setup_script: str = 'setup.py') -> None:
         # In order to maintain compatibility with scripts assuming that
         # the setup.py script is in a directory on the PYTHONPATH, inject
         # '' into sys.path. (pypa/setuptools#1642)

setuptools/command/bdist_egg.py

@@ -9,19 +9,21 @@
 import re
 import sys
 import textwrap
+from collections.abc import Iterator
 from sysconfig import get_path, get_platform, get_python_version
 from types import CodeType
-from typing import TYPE_CHECKING, Literal
+from typing import TYPE_CHECKING, AnyStr, Literal
 
 from setuptools import Command
 from setuptools.extension import Library
 
-from .._path import StrPathT, ensure_directory
+from .._path import StrPath, StrPathT, ensure_directory
 
 from distutils import log
 from distutils.dir_util import mkpath, remove_tree
 
 if TYPE_CHECKING:
+    from _typeshed import GenericPath
     from typing_extensions import TypeAlias
 
 # Same as zipfile._ZipFileMode from typeshed
@@ -40,7 +42,9 @@ def strip_module(filename):
     return filename
 
 
-def sorted_walk(dir):
+def sorted_walk(
+    dir: GenericPath[AnyStr],
+) -> Iterator[tuple[AnyStr, list[AnyStr], list[AnyStr]]]:
     """Do os.walk in a reproducible way,
     independent of indeterministic filesystem readdir order
     """
@@ -161,7 +165,7 @@ def call_command(self, cmdname, **kw):
         self.run_command(cmdname)
         return cmd
 
-    def run(self):  # noqa: C901  # is too complex (14)  # FIXME
+    def run(self) -> None:  # noqa: C901  # is too complex (14)  # FIXME
         # Generate metadata first
         self.run_command("egg_info")
         # We run install_lib before install_data, because some data hacks
@@ -232,7 +236,7 @@ def run(self):  # noqa: C901  # is too complex (14)  # FIXME
             self.egg_output,
             archive_root,
             verbose=self.verbose,
-            dry_run=self.dry_run,
+            dry_run=self.dry_run,  # type: ignore[arg-type] # Is an actual boolean in vendored _distutils
             mode=self.gen_header(),
         )
         if not self.keep_temp:
@@ -245,7 +249,7 @@ def run(self):  # noqa: C901  # is too complex (14)  # FIXME
             self.egg_output,
         ))
 
-    def zap_pyfiles(self):
+    def zap_pyfiles(self) -> None:
         log.info("Removing .py files from temporary directory")
         for base, dirs, files in walk_egg(self.bdist_dir):
             for name in files:
@@ -260,6 +264,8 @@ def zap_pyfiles(self):
 
                     pattern = r'(?P<name>.+)\.(?P<magic>[^.]+)\.pyc'
                     m = re.match(pattern, name)
+                    # We shouldn't find any non-pyc files in __pycache__
+                    assert m is not None
                     path_new = os.path.join(base, os.pardir, m.group('name') + '.pyc')
                     log.info(f"Renaming file from [{path_old}] to [{path_new}]")
                     try:
@@ -323,7 +329,7 @@ def get_ext_outputs(self):
 NATIVE_EXTENSIONS: dict[str, None] = dict.fromkeys('.dll .so .dylib .pyd'.split())
 
 
-def walk_egg(egg_dir):
+def walk_egg(egg_dir: StrPath) -> Iterator[tuple[str, list[str], list[str]]]:
     """Walk an unpacked egg's contents, skipping the metadata directory"""
     walker = sorted_walk(egg_dir)
     base, dirs, files = next(walker)
@@ -409,7 +415,7 @@ def scan_module(egg_dir, base, name, stubs):
     return safe
 
 
-def iter_symbols(code):
+def iter_symbols(code: CodeType) -> Iterator[str]:
     """Yield names and strings used by `code` and its nested code objects"""
     yield from code.co_names
     for const in code.co_consts:

setuptools/command/build_ext.py

@@ -90,7 +90,7 @@ class build_ext(_build_ext):
     editable_mode = False
     inplace = False
 
-    def run(self):
+    def run(self) -> None:
         """Build extensions in build directory, then copy if --inplace"""
         old_inplace, self.inplace = self.inplace, False
         _build_ext.run(self)
@@ -220,7 +220,7 @@ def finalize_options(self) -> None:
         if self.editable_mode:
             self.inplace = True
 
-    def setup_shlib_compiler(self):
+    def setup_shlib_compiler(self) -> None:
         compiler = self.shlib_compiler = new_compiler(
             compiler=self.compiler, dry_run=self.dry_run, force=self.force
         )

setuptools/command/build_py.py

@@ -41,7 +41,7 @@ class build_py(orig.build_py):
     editable_mode: bool = False
     existing_egg_info_dir: StrPath | None = None  #: Private API, internal use only.
 
-    def finalize_options(self):
+    def finalize_options(self) -> None:
         orig.build_py.finalize_options(self)
         self.package_data = self.distribution.package_data
         self.exclude_package_data = self.distribution.exclude_package_data or {}
@@ -93,7 +93,7 @@ def _get_data_files(self):
         self.analyze_manifest()
         return list(map(self._get_pkg_data_files, self.packages or ()))
 
-    def get_data_files_without_manifest(self):
+    def get_data_files_without_manifest(self) -> list[tuple[str, str, str, list[str]]]:
         """
         Generate list of ``(package,src_dir,build_dir,filenames)`` tuples,
         but without triggering any attempt to analyze or build the manifest.
@@ -103,7 +103,7 @@ def get_data_files_without_manifest(self):
         self.__dict__.setdefault('manifest_files', {})
         return list(map(self._get_pkg_data_files, self.packages or ()))
 
-    def _get_pkg_data_files(self, package):
+    def _get_pkg_data_files(self, package: str) -> tuple[str, str, str, list[str]]:
         # Locate package source directory
         src_dir = self.get_package_dir(package)
 
@@ -272,7 +272,7 @@ def initialize_options(self):
         self.editable_mode = False
         self.existing_egg_info_dir = None
 
-    def get_package_dir(self, package):
+    def get_package_dir(self, package: str) -> str:
         res = orig.build_py.get_package_dir(self, package)
         if self.distribution.src_root is not None:
             return os.path.join(self.distribution.src_root, res)

setuptools/command/develop.py

@@ -1,6 +1,7 @@
 import site
 import subprocess
 import sys
+from typing import cast
 
 from setuptools import Command
 from setuptools.warnings import SetuptoolsDeprecationWarning
@@ -27,18 +28,20 @@ class develop(Command):
     prefix = None
     index_url = None
 
-    def run(self):
-        cmd = (
+    def run(self) -> None:  # type: ignore[override] # Not including easy_install's show_deprecation argument
+        # Casting because mypy doesn't understand bool mult conditionals
+        cmd = cast(
+            list[str],
             [sys.executable, '-m', 'pip', 'install', '-e', '.', '--use-pep517']
             + ['--target', self.install_dir] * bool(self.install_dir)
             + ['--no-deps'] * self.no_deps
             + ['--user'] * self.user
             + ['--prefix', self.prefix] * bool(self.prefix)
-            + ['--index-url', self.index_url] * bool(self.index_url)
+            + ['--index-url', self.index_url] * bool(self.index_url),
         )
         subprocess.check_call(cmd)
 
-    def initialize_options(self):
+    def initialize_options(self) -> None:
         DevelopDeprecationWarning.emit()
 
     def finalize_options(self) -> None:

setuptools/command/egg_info.py

@@ -2,6 +2,8 @@
 
 Create a distribution's .egg-info directory and contents"""
 
+from __future__ import annotations
+
 import functools
 import os
 import re
@@ -196,11 +198,11 @@ def initialize_options(self):
     # allow the 'tag_svn_revision' to be detected and
     # set, supporting sdists built on older Setuptools.
     @property
-    def tag_svn_revision(self) -> None:
+    def tag_svn_revision(self) -> int | None:
         pass
 
     @tag_svn_revision.setter
-    def tag_svn_revision(self, value):
+    def tag_svn_revision(self, value) -> None:
         pass
 
     ####################################

setuptools/command/sdist.py

@@ -3,6 +3,7 @@
 import contextlib
 import os
 import re
+from collections.abc import Iterator
 from itertools import chain
 from typing import ClassVar
 
@@ -16,7 +17,7 @@
 _default_revctrl = list
 
 
-def walk_revctrl(dirname=''):
+def walk_revctrl(dirname='') -> Iterator:
     """Find all files under revision control"""
     for ep in metadata.entry_points(group='setuptools.file_finders'):
         yield from ep.load()(dirname)
@@ -195,7 +196,7 @@ def _manifest_is_not_generated(self):
             first_line = fp.readline()
         return first_line != b'# file GENERATED by distutils, do NOT edit\n'
 
-    def read_manifest(self):
+    def read_manifest(self) -> None:
         """Read the manifest file (named by 'self.manifest') and use it to
         fill in 'self.filelist', the list of files to include in the source
         distribution.

setuptools/command/setopt.py

@@ -27,7 +27,7 @@ def config_file(kind="local"):
     raise ValueError("config_file() type must be 'local', 'global', or 'user'", kind)
 
 
-def edit_config(filename, settings, dry_run=False):
+def edit_config(filename, settings, dry_run=False) -> None:
     """Edit a configuration file to include `settings`
 
     `settings` is a dictionary of dictionaries or ``None`` values, keyed by
@@ -88,7 +88,7 @@ def initialize_options(self):
         self.user_config = None
         self.filename = None
 
-    def finalize_options(self):
+    def finalize_options(self) -> None:
         filenames = []
         if self.global_config:
             filenames.append(config_file('global'))