diff --git a/Lib/shutil.py b/Lib/shutil.py --- a/Lib/shutil.py +++ b/Lib/shutil.py @@ -405,8 +405,9 @@ except os.error: onerror(os.unlink, fullname, sys.exc_info()) -_use_fd_functions = (os.unlink in os.supports_dir_fd and - os.open in os.supports_dir_fd) +_use_fd_functions = ({os.listdir, os.open, os.stat, os.unlink, os.rmdir} <= + os.supports_dir_fd and + os.stat in os.supports_follow_symlinks) def rmtree(path, ignore_errors=False, onerror=None): """Recursively delete a directory tree. diff --git a/Lib/test/test_shutil.py b/Lib/test/test_shutil.py --- a/Lib/test/test_shutil.py +++ b/Lib/test/test_shutil.py @@ -524,7 +524,10 @@ self.assertFalse(os.path.islink(dst)) def test_rmtree_uses_safe_fd_version_if_available(self): - if os.unlink in os.supports_dir_fd and os.open in os.supports_dir_fd: + _use_fd_functions = ({os.listdir, os.open, os.stat, os.unlink, + os.rmdir} <= os.supports_dir_fd and + os.stat in os.supports_follow_symlinks) + if _use_fd_functions: self.assertTrue(shutil._use_fd_functions) self.assertTrue(shutil.rmtree.avoids_symlink_attacks) tmp_dir = self.mkdtemp()