Extract common pattern to remove dir if exists to setuptools._shutil

setuptools/_shutil.py

@@ -39,3 +39,8 @@ def _auto_chmod(func: Callable[..., _T], arg: str, exc: BaseException) -> _T:
 
 def rmtree(path, ignore_errors=False, onexc=_auto_chmod):
     return py311.shutil_rmtree(path, ignore_errors, onexc)
+
+
+def rmdir(path, **opts):
+    if os.path.isdir(path):
+        rmtree(path, **opts)

setuptools/command/dist_info.py

@@ -10,6 +10,7 @@
 from typing import cast
 
 from .. import _normalization
+from .._shutil import rmdir as _rm
 from .egg_info import egg_info as egg_info_cls
 
 from distutils import log
@@ -100,8 +101,3 @@ def run(self) -> None:
         # TODO: if bdist_wheel if merged into setuptools, just add "keep_egg_info" there
         with self._maybe_bkp_dir(egg_info_dir, self.keep_egg_info):
             bdist_wheel.egg2dist(egg_info_dir, self.dist_info_dir)
-
-
-def _rm(dir_name, **opts):
-    if os.path.isdir(dir_name):
-        shutil.rmtree(dir_name, **opts)