from dataclasses import replace from typing import Any def recursive_replace(root_obj: Any, replace_str: str, replace_with: Any): split_str = replace_str.split(".") if len(split_str) == 1: return replace(root_obj, **{split_str[0]: replace_with}) sub_obj = recursive_replace(getattr(root_obj, split_str[0]), ".".join(split_str[1:]), replace_with) return replace(root_obj, **{split_str[0]: sub_obj})