ANN204 (missing return type for special methods) autofixes (#4736)

Author: abravalheri

_distutils_hack/__init__.py

@@ -90,7 +90,7 @@ def do_override():
 
 
 class _TrivialRe:
-    def __init__(self, *patterns):
+    def __init__(self, *patterns) -> None:
         self._patterns = patterns
 
     def match(self, string):

pkg_resources/tests/test_resources.py

@@ -32,7 +32,7 @@ def pairwise(iterable):
 class Metadata(pkg_resources.EmptyProvider):
     """Mock object to return metadata as if from an on-disk distribution"""
 
-    def __init__(self, *pairs):
+    def __init__(self, *pairs) -> None:
         self.metadata = dict(pairs)
 
     def has_metadata(self, name) -> bool:

pkg_resources/tests/test_working_set.py

@@ -56,7 +56,7 @@ def parse_distributions(s):
 
 
 class FakeInstaller:
-    def __init__(self, installable_dists):
+    def __init__(self, installable_dists) -> None:
         self._installable_dists = installable_dists
 
     def __call__(self, req):

setuptools/__init__.py

@@ -60,7 +60,7 @@ class MinimalDistribution(distutils.core.Distribution):
         fetch_build_eggs interface.
         """
 
-        def __init__(self, attrs: Mapping[str, object]):
+        def __init__(self, attrs: Mapping[str, object]) -> None:
             _incl = 'dependency_links', 'setup_requires'
             filtered = {k: attrs[k] for k in set(_incl) & set(attrs)}
             super().__init__(filtered)
@@ -167,7 +167,7 @@ class Command(_Command):
     command_consumes_arguments = False
     distribution: Distribution  # override distutils.dist.Distribution with setuptools.dist.Distribution
 
-    def __init__(self, dist: Distribution, **kw):
+    def __init__(self, dist: Distribution, **kw) -> None:
         """
         Construct the command for dist, updating
         vars(self) with any keyword parameters.

setuptools/build_meta.py

@@ -72,7 +72,7 @@
 
 
 class SetupRequirementsError(BaseException):
-    def __init__(self, specifiers):
+    def __init__(self, specifiers) -> None:
         self.specifiers = specifiers
 
 

setuptools/command/develop.py

@@ -185,7 +185,7 @@ class VersionlessRequirement:
     'foo'
     """
 
-    def __init__(self, dist):
+    def __init__(self, dist) -> None:
         self.__dist = dist
 
     def __getattr__(self, name: str):

setuptools/command/easy_install.py

@@ -1612,7 +1612,7 @@ def get_exe_prefixes(exe_filename):
 class PthDistributions(Environment):
     """A .pth file with Distribution paths in it"""
 
-    def __init__(self, filename, sitedirs=()):
+    def __init__(self, filename, sitedirs=()) -> None:
         self.filename = filename
         self.sitedirs = list(map(normalize_path, sitedirs))
         self.basedir = normalize_path(os.path.dirname(self.filename))

setuptools/command/editable_wheel.py

@@ -392,7 +392,7 @@ def __exit__(
 
 
 class _StaticPth:
-    def __init__(self, dist: Distribution, name: str, path_entries: list[Path]):
+    def __init__(self, dist: Distribution, name: str, path_entries: list[Path]) -> None:
         self.dist = dist
         self.name = name
         self.path_entries = path_entries
@@ -436,7 +436,7 @@ def __init__(
         name: str,
         auxiliary_dir: StrPath,
         build_lib: StrPath,
-    ):
+    ) -> None:
         self.auxiliary_dir = Path(auxiliary_dir)
         self.build_lib = Path(build_lib).resolve()
         self._file = dist.get_command_obj("build_py").copy_file
@@ -496,7 +496,7 @@ def __exit__(
 
 
 class _TopLevelFinder:
-    def __init__(self, dist: Distribution, name: str):
+    def __init__(self, dist: Distribution, name: str) -> None:
         self.dist = dist
         self.name = name
 

setuptools/command/egg_info.py

@@ -324,7 +324,9 @@ def find_sources(self) -> None:
 class FileList(_FileList):
     # Implementations of the various MANIFEST.in commands
 
-    def __init__(self, warn=None, debug_print=None, ignore_egg_info_dir: bool = False):
+    def __init__(
+        self, warn=None, debug_print=None, ignore_egg_info_dir: bool = False
+    ) -> None:
         super().__init__(warn, debug_print)
         self.ignore_egg_info_dir = ignore_egg_info_dir
 

setuptools/config/expand.py

@@ -52,7 +52,7 @@
 class StaticModule:
     """Proxy to a module object that avoids executing arbitrary code."""
 
-    def __init__(self, name: str, spec: ModuleSpec):
+    def __init__(self, name: str, spec: ModuleSpec) -> None:
         module = ast.parse(pathlib.Path(spec.origin).read_bytes())  # type: ignore[arg-type] # Let it raise an error on None
         vars(self).update(locals())
         del self.self
@@ -383,7 +383,7 @@ class EnsurePackagesDiscovered:
     and those might not have been processed yet.
     """
 
-    def __init__(self, distribution: Distribution):
+    def __init__(self, distribution: Distribution) -> None:
         self._dist = distribution
         self._called = False
 
@@ -430,7 +430,7 @@ class LazyMappingProxy(Mapping[_K, _V_co]):
     'other value'
     """
 
-    def __init__(self, obtain_mapping_value: Callable[[], Mapping[_K, _V_co]]):
+    def __init__(self, obtain_mapping_value: Callable[[], Mapping[_K, _V_co]]) -> None:
         self._obtain = obtain_mapping_value
         self._value: Mapping[_K, _V_co] | None = None