Fix all mypy notes

setuptools/command/build_py.py

@@ -174,7 +174,7 @@ def build_package_data(self) -> None:
             _outf, _copied = self.copy_file(srcfile, target)
             make_writable(target)
 
-    def analyze_manifest(self):
+    def analyze_manifest(self) -> None:
         self.manifest_files: dict[str, list[str]] = {}
         if not self.distribution.include_package_data:
             return
@@ -215,7 +215,9 @@ def analyze_manifest(self):
                         check.warn(importable)
                 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]

setuptools/command/editable_wheel.py

@@ -779,7 +779,7 @@ 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

setuptools/command/egg_info.py

@@ -331,7 +331,7 @@ 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

setuptools/command/install_egg_info.py

@@ -20,7 +20,7 @@ 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"

setuptools/command/saveopts.py

@@ -6,7 +6,7 @@ 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: dict[str, dict[str, str]] = {}
 

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

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".
@@ -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.