You can directly hash the code using inspect: https://docs.python.org/3/library/inspect.html#inspect.getsource https://docs.python.org/3/library/inspect.html#in

You can directly hash the code using inspect: https://docs.python.org/3/library/inspect.html#inspect.getsource https://docs.python.org/3/library/inspect.html#inspect.getso... And do something similar for the arguments (maybe pickling to get a bytes object you can hash without relying on specific types). Using just the hash function could come with footguns for mutable objects