[3.12] bpo-26791: Update shutil.move() to provide the same symlink move behavior as the mv shell when moving a symlink into a directory that is the target of the symlink (GH-21759) by miss-islington · Pull Request #113517 · python/cpython
# bpo-26791: Check that a symlink to a directory can # be moved into that directory. @mock_rename def _test_move_symlink_to_dir_into_dir(self, dst): src = os.path.join(self.src_dir, 'linktodir') dst_link = os.path.join(self.dst_dir, 'linktodir') os.symlink(self.dst_dir, src, target_is_directory=True) shutil.move(src, dst) self.assertTrue(os.path.islink(dst_link)) self.assertTrue(os.path.samefile(self.dst_dir, dst_link)) self.assertFalse(os.path.exists(src))
# Repeat the move operation with the destination # symlink already in place (should raise shutil.Error). os.symlink(self.dst_dir, src, target_is_directory=True) with self.assertRaises(shutil.Error): shutil.move(src, dst) self.assertTrue(os.path.samefile(self.dst_dir, dst_link)) self.assertTrue(os.path.exists(src))
@os_helper.skip_unless_symlink def test_move_symlink_to_dir_into_dir(self): self._test_move_symlink_to_dir_into_dir(self.dst_dir)
@os_helper.skip_unless_symlink def test_move_symlink_to_dir_into_symlink_to_dir(self): dst = os.path.join(self.src_dir, 'otherlinktodir') os.symlink(self.dst_dir, dst, target_is_directory=True) self._test_move_symlink_to_dir_into_dir(dst)
@os_helper.skip_unless_dac_override @unittest.skipUnless(hasattr(os, 'lchflags')