Remove hardcoded libpython binaries and add debug step

venv/lib/python3.12/site-packages/setuptools/tests/test_shutil_wrapper.py

@@ -0,0 +1,23 @@
+import stat
+import sys
+from unittest.mock import Mock
+
+from setuptools import _shutil
+
+
+def test_rmtree_readonly(monkeypatch, tmp_path):
+    """Verify onerr works as expected"""
+
+    tmp_dir = tmp_path / "with_readonly"
+    tmp_dir.mkdir()
+    some_file = tmp_dir.joinpath("file.txt")
+    some_file.touch()
+    some_file.chmod(stat.S_IREAD)
+
+    expected_count = 1 if sys.platform.startswith("win") else 0
+    chmod_fn = Mock(wraps=_shutil.attempt_chmod_verbose)
+    monkeypatch.setattr(_shutil, "attempt_chmod_verbose", chmod_fn)
+
+    _shutil.rmtree(tmp_dir)
+    assert chmod_fn.call_count == expected_count
+    assert not tmp_dir.is_dir()