methodtools_lru_cache_decorator_for_instance_methods.py

1from methodtools import lru_cache
2
3class MyClass(object):
4    @lru_cache()
5    def cached_method(self, arg):
6        print(f"Calculating for {arg}...")
7        return arg
8
9obj = MyClass()
10print(obj.cached_method(1))  # Calculates and returns 1
11print(obj.cached_method(1))  # Returns 1 from cache