cached_property_decorator_for_class_property_memoization.py

1from cached_property import cached_property
2
3class Sample(object):
4
5    @cached_property
6    def value(self):
7        print("Computing value...")
8        return 42
9
10s = Sample()
11print(s.value)  # Computes and prints "Computing value..." then 42
12print(s.value)  # Returns cached 42 without re-computing