Callable Objects
Explore how to make instances of Python classes callable by defining the __call__ method. Understand the difference between functions and callable objects, and learn how callable objects can maintain state to optimize performance and functionality.
Overview
Just as functions are objects that can have attributes set on them, it is possible to create an object that can be called as though it were a function. Any object can be made callable by giving it a __call__() method that accepts the required arguments.
Example
Let’s make our Repeater class (Repeater_2), from the timer example, a little ...