Issue #4616: TarFile.utime(): Restore directory times on Windows.

Lib/tarfile.py

@@ -2284,10 +2284,6 @@ class TarFile(object):
         """
         if not hasattr(os, 'utime'):
             return
-        if sys.platform == "win32" and tarinfo.isdir():
-            # According to msdn.microsoft.com, it is an error (EACCES)
-            # to use utime() on directories.
-            return
         try:
             os.utime(targetpath, (tarinfo.mtime, tarinfo.mtime))
         except EnvironmentError, e:

Lib/test/test_tarfile.py

@@ -256,16 +256,13 @@ class MiscReadTest(ReadTest):
     def test_extractall(self):
         # Test if extractall() correctly restores directory permissions
         # and times (see issue1735).
-        if sys.platform == "win32":
-            # Win32 has no support for utime() on directories or
-            # fine grained permissions.
-            return
-
         tar = tarfile.open(tarname, encoding="iso8859-1")
         directories = [t for t in tar if t.isdir()]
         tar.extractall(TEMPDIR, directories)
         for tarinfo in directories:
             path = os.path.join(TEMPDIR, tarinfo.name)
+            if sys.platform != "win32":
+                # Win32 has no support for fine grained permissions.
                 self.assertEqual(tarinfo.mode & 0777, os.stat(path).st_mode & 0777)
             self.assertEqual(tarinfo.mtime, os.path.getmtime(path))
         tar.close()

Misc/NEWS

@@ -74,6 +74,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #4616: TarFile.utime(): Restore directory times on Windows.
+
 - Issue #4084: Fix max, min, max_mag and min_mag Decimal methods to
   give correct results in the case where one argument is a quiet NaN
   and the other is a finite number that requires rounding.