Runtime typing fixes for typeshed return type merge (#4753

setuptools/build_meta.py

@@ -91,11 +91,11 @@ def patch(cls):
         for the duration of this context.
         """
         orig = distutils.core.Distribution
-        distutils.core.Distribution = cls
+        distutils.core.Distribution = cls  # type: ignore[misc] # monkeypatching
         try:
             yield
         finally:
-            distutils.core.Distribution = orig
+            distutils.core.Distribution = orig  # type: ignore[misc] # monkeypatching
 
 
 @contextlib.contextmanager

setuptools/command/bdist_egg.py

@@ -277,7 +277,7 @@ def zip_safe(self):
         log.warn("zip_safe flag not set; analyzing archive contents...")
         return analyze_egg(self.bdist_dir, self.stubs)
 
-    def gen_header(self) -> str:
+    def gen_header(self) -> Literal["w"]:
         return 'w'
 
     def copy_metadata_to(self, target_dir) -> None:

setuptools/command/bdist_wheel.py

@@ -218,7 +218,7 @@ class bdist_wheel(Command):
 
     def initialize_options(self) -> None:
         self.bdist_dir: str | None = None
-        self.data_dir: str | None = None
+        self.data_dir = ""
         self.plat_name: str | None = None
         self.plat_tag: str | None = None
         self.format = "zip"

setuptools/command/build_ext.py

@@ -95,7 +95,7 @@ class build_ext(_build_ext):
 
     def run(self):
         """Build extensions in build directory, then copy if --inplace"""
-        old_inplace, self.inplace = self.inplace, 0
+        old_inplace, self.inplace = self.inplace, False
         _build_ext.run(self)
         self.inplace = old_inplace
         if old_inplace:
@@ -248,7 +248,7 @@ def setup_shlib_compiler(self):
             compiler.set_link_objects(self.link_objects)
 
         # hack so distutils' build_extension() builds a library instead
-        compiler.link_shared_object = link_shared_object.__get__(compiler)
+        compiler.link_shared_object = link_shared_object.__get__(compiler)  # type: ignore[method-assign]
 
     def get_export_symbols(self, ext):
         if isinstance(ext, Library):

setuptools/command/build_py.py

@@ -39,15 +39,14 @@ class build_py(orig.build_py):
 
     distribution: Distribution  # override distutils.dist.Distribution with setuptools.dist.Distribution
     editable_mode: bool = False
-    existing_egg_info_dir: str | None = None  #: Private API, internal use only.
+    existing_egg_info_dir: StrPath | None = None  #: Private API, internal use only.
 
     def finalize_options(self):
         orig.build_py.finalize_options(self)
         self.package_data = self.distribution.package_data
         self.exclude_package_data = self.distribution.exclude_package_data or {}
         if 'data_files' in self.__dict__:
             del self.__dict__['data_files']
-        self.__updated_files = []
 
     def copy_file(  # type: ignore[override] # No overload, no bytes support
         self,
@@ -89,12 +88,6 @@ def __getattr__(self, attr: str):
             return self.data_files
         return orig.build_py.__getattr__(self, attr)
 
-    def build_module(self, module, module_file, package):
-        outfile, copied = orig.build_py.build_module(self, module, module_file, package)
-        if copied:
-            self.__updated_files.append(outfile)
-        return outfile, copied
-
     def _get_data_files(self):
         """Generate list of '(package,src_dir,build_dir,filenames)' tuples"""
         self.analyze_manifest()
@@ -178,17 +171,17 @@ def build_package_data(self) -> None:
             _outf, _copied = self.copy_file(srcfile, target)
             make_writable(target)
 
-    def analyze_manifest(self):
-        self.manifest_files = mf = {}
+    def analyze_manifest(self) -> None:
+        self.manifest_files: dict[str, list[str]] = {}
         if not self.distribution.include_package_data:
             return
-        src_dirs = {}
+        src_dirs: dict[str, str] = {}
         for package in self.packages or ():
             # Locate package source directory
             src_dirs[assert_relative(self.get_package_dir(package))] = package
 
         if (
-            getattr(self, 'existing_egg_info_dir', None)
+            self.existing_egg_info_dir
             and Path(self.existing_egg_info_dir, "SOURCES.txt").exists()
         ):
             egg_info_dir = self.existing_egg_info_dir
@@ -217,9 +210,11 @@ def analyze_manifest(self):
                     importable = check.importable_subpackage(src_dirs[d], f)
                     if importable:
                         check.warn(importable)
-                mf.setdefault(src_dirs[d], []).append(path)
+                self.manifest_files.setdefault(src_dirs[d], []).append(path)
 
-    def _filter_build_files(self, files: Iterable[str], egg_info: str) -> Iterator[str]:
+    def _filter_build_files(
+        self, files: Iterable[str], egg_info: StrPath
+    ) -> Iterator[str]:
         """
         ``build_meta`` may try to create egg_info outside of the project directory,
         and this can be problematic for certain plugins (reported in issue #3500).

setuptools/command/easy_install.py

@@ -238,7 +238,7 @@ def _render_version():
         print(f'setuptools {dist.version} from {dist.location} (Python {ver})')
         raise SystemExit
 
-    def finalize_options(self):  # noqa: C901  # is too complex (25)  # FIXME
+    def finalize_options(self) -> None:  # noqa: C901  # is too complex (25)  # FIXME
         self.version and self._render_version()
 
         py_version = sys.version.split()[0]
@@ -354,7 +354,7 @@ def finalize_options(self):  # noqa: C901  # is too complex (25)  # FIXME
                 "No urls, filenames, or requirements specified (see --help)"
             )
 
-        self.outputs = []
+        self.outputs: list[str] = []
 
     @staticmethod
     def _process_site_dirs(site_dirs):

setuptools/command/editable_wheel.py

@@ -779,12 +779,12 @@ def _empty_dir(dir_: _P) -> _P:
 
 
 class _NamespaceInstaller(namespaces.Installer):
-    def __init__(self, distribution, installation_dir, editable_name, src_root):
+    def __init__(self, distribution, installation_dir, editable_name, src_root) -> None:
         self.distribution = distribution
         self.src_root = src_root
         self.installation_dir = installation_dir
         self.editable_name = editable_name
-        self.outputs = []
+        self.outputs: list[str] = []
         self.dry_run = False
 
     def _get_nspkg_file(self):

setuptools/command/egg_info.py

@@ -7,6 +7,7 @@
 import re
 import sys
 import time
+from collections.abc import Callable
 
 import packaging
 import packaging.requirements
@@ -330,15 +331,15 @@ def __init__(
         super().__init__(warn, debug_print)
         self.ignore_egg_info_dir = ignore_egg_info_dir
 
-    def process_template_line(self, line):
+    def process_template_line(self, line) -> None:
         # Parse the line: split it up, make sure the right number of words
         # is there, and return the relevant words.  'action' is always
         # defined: it's the first word of the line.  Which of the other
         # three are defined depends on the action; it'll be either
         # patterns, (dir and patterns), or (dir_pattern).
         (action, patterns, dir, dir_pattern) = self._parse_template_line(line)
 
-        action_map = {
+        action_map: dict[str, Callable] = {
             'include': self.include,
             'exclude': self.exclude,
             'global-include': self.global_include,

setuptools/command/install_egg_info.py

@@ -20,13 +20,13 @@ class install_egg_info(namespaces.Installer, Command):
     def initialize_options(self):
         self.install_dir = None
 
-    def finalize_options(self):
+    def finalize_options(self) -> None:
         self.set_undefined_options('install_lib', ('install_dir', 'install_dir'))
         ei_cmd = self.get_finalized_command("egg_info")
         basename = f"{ei_cmd._get_egg_basename()}.egg-info"
         self.source = ei_cmd.egg_info
         self.target = os.path.join(self.install_dir, basename)
-        self.outputs = []
+        self.outputs: list[str] = []
 
     def run(self) -> None:
         self.run_command('egg_info')

setuptools/command/saveopts.py

@@ -6,9 +6,9 @@ class saveopts(option_base):
 
     description = "save supplied options to setup.cfg or other config file"
 
-    def run(self):
+    def run(self) -> None:
         dist = self.distribution
-        settings = {}
+        settings: dict[str, dict[str, str]] = {}
 
         for cmd in dist.command_options:
             if cmd == 'saveopts':

setuptools/command/sdist.py

@@ -202,10 +202,10 @@ def read_manifest(self):
         """
         log.info("reading manifest file '%s'", self.manifest)
         manifest = open(self.manifest, 'rb')
-        for line in manifest:
+        for bytes_line in manifest:
             # The manifest must contain UTF-8. See #303.
             try:
-                line = line.decode('UTF-8')
+                line = bytes_line.decode('UTF-8')
             except UnicodeDecodeError:
                 log.warn("%r not UTF-8 decodable -- skipping" % line)
                 continue

setuptools/command/setopt.py

@@ -37,7 +37,7 @@ def edit_config(filename, settings, dry_run=False):
     """
     log.debug("Reading configuration from %s", filename)
     opts = configparser.RawConfigParser()
-    opts.optionxform = lambda x: x
+    opts.optionxform = lambda optionstr: optionstr  # type: ignore[method-assign] # overriding method
     _cfg_read_utf8_with_fallback(opts, filename)
 
     for section, options in settings.items():

setuptools/dist.py

@@ -904,7 +904,7 @@ def _parse_command_opts(self, parser, args):
 
         return nargs
 
-    def get_cmdline_options(self):
+    def get_cmdline_options(self) -> dict[str, dict[str, str | None]]:
         """Return a '{cmd: {opt:val}}' map of all command-line options
 
         Option names are all long, but do not include the leading '--', and
@@ -914,9 +914,10 @@ def get_cmdline_options(self):
         Note that options provided by config files are intentionally excluded.
         """
 
-        d = {}
+        d: dict[str, dict[str, str | None]] = {}
 
         for cmd, opts in self.command_options.items():
+            val: str | None
             for opt, (src, val) in opts.items():
                 if src != "command line":
                     continue

setuptools/monkey.py

@@ -73,7 +73,7 @@ def patch_all():
     import setuptools
 
     # we can't patch distutils.cmd, alas
-    distutils.core.Command = setuptools.Command
+    distutils.core.Command = setuptools.Command  # type: ignore[misc,assignment] # monkeypatching
 
     _patch_distribution_metadata()
 
@@ -82,8 +82,8 @@ def patch_all():
         module.Distribution = setuptools.dist.Distribution
 
     # Install the patched Extension
-    distutils.core.Extension = setuptools.extension.Extension
-    distutils.extension.Extension = setuptools.extension.Extension
+    distutils.core.Extension = setuptools.extension.Extension  # type: ignore[misc,assignment] # monkeypatching
+    distutils.extension.Extension = setuptools.extension.Extension  # type: ignore[misc,assignment] # monkeypatching
     if 'distutils.command.build_ext' in sys.modules:
         sys.modules[
             'distutils.command.build_ext'

setuptools/msvc.py

@@ -426,7 +426,7 @@ def find_reg_vs_vers(self):
                             vs_vers.append(ver)
         return sorted(vs_vers)
 
-    def find_programdata_vs_vers(self):
+    def find_programdata_vs_vers(self) -> dict[float, str]:
         r"""
         Find Visual studio 2017+ versions from information in
         "C:\ProgramData\Microsoft\VisualStudio\Packages\_Instances".
@@ -436,7 +436,7 @@ def find_programdata_vs_vers(self):
         dict
             float version as key, path as value.
         """
-        vs_versions = {}
+        vs_versions: dict[float, str] = {}
         instances_dir = r'C:\ProgramData\Microsoft\VisualStudio\Packages\_Instances'
 
         try:
@@ -607,7 +607,7 @@ def WindowsSdkLastVersion(self):
         return self._use_last_dir_name(os.path.join(self.WindowsSdkDir, 'lib'))
 
     @property
-    def WindowsSdkDir(self):  # noqa: C901  # is too complex (12)  # FIXME
+    def WindowsSdkDir(self) -> str | None:  # noqa: C901  # is too complex (12)  # FIXME
         """
         Microsoft Windows SDK directory.
 
@@ -616,7 +616,7 @@ def WindowsSdkDir(self):  # noqa: C901  # is too complex (12)  # FIXME
         str
             path
         """
-        sdkdir = ''
+        sdkdir: str | None = ''
         for ver in self.WindowsSdkVersion:
             # Try to get it from registry
             loc = os.path.join(self.ri.windows_sdk, 'v%s' % ver)

setuptools/unicode_utils.py

@@ -1,6 +1,6 @@
 import sys
 import unicodedata
-from configparser import ConfigParser
+from configparser import RawConfigParser
 
 from .compat import py39
 from .warnings import SetuptoolsDeprecationWarning
@@ -65,10 +65,10 @@ def _read_utf8_with_fallback(file: str, fallback_encoding=py39.LOCALE_ENCODING)
 
 
 def _cfg_read_utf8_with_fallback(
-    cfg: ConfigParser, file: str, fallback_encoding=py39.LOCALE_ENCODING
+    cfg: RawConfigParser, file: str, fallback_encoding=py39.LOCALE_ENCODING
 ) -> None:
     """Same idea as :func:`_read_utf8_with_fallback`, but for the
-    :meth:`ConfigParser.read` method.
+    :meth:`RawConfigParser.read` method.
 
     This method may call ``cfg.clear()``.
     """