codekingpro/portable-devtools

1import contextlib2 3from .py39 import import_helper4 5 6@contextlib.contextmanager7def isolated_modules():8    """9    Save modules on entry and cleanup on exit.10    """11    (saved,) = import_helper.modules_setup()12    try:13        yield14    finally:15        import_helper.modules_cleanup(saved)16 17 18vars(import_helper).setdefault('isolated_modules', isolated_modules)19