Restore vendored wheel code and add a dry_run property for temporary compatibility.

Author: jaraco

Diff for: setuptools/__init__.py

@@ -167,6 +167,12 @@ class Command(_Command):
     command_consumes_arguments = False
     distribution: Distribution  # override distutils.dist.Distribution with setuptools.dist.Distribution
 
+    dry_run = False
+    """
+    For compatibility with vendored bdist_wheel.
+    https://github.com/pypa/setuptools/pull/4872/files#r1986395142
+    """
+
     def __init__(self, dist: Distribution, **kw) -> None:
         """
         Construct the command for dist, updating

Diff for: setuptools/_vendor/wheel/bdist_wheel.py

@@ -440,10 +440,11 @@ def run(self):
 
         if not self.keep_temp:
             log.info(f"removing {self.bdist_dir}")
-            if sys.version_info < (3, 12):
-                rmtree(self.bdist_dir, onerror=remove_readonly)
-            else:
-                rmtree(self.bdist_dir, onexc=remove_readonly_exc)
+            if not self.dry_run:
+                if sys.version_info < (3, 12):
+                    rmtree(self.bdist_dir, onerror=remove_readonly)
+                else:
+                    rmtree(self.bdist_dir, onexc=remove_readonly_exc)
 
     def write_wheelfile(
         self, wheelfile_base, generator="bdist_wheel (" + wheel_version + ")"