Method __init_subclass__

example_code/item_065.py:273–278

(cls)

print("Example 17")
class Workflow:
    def __init_subclass__(cls):
        steps = []
        for key, value in cls.__dict__.items():
            if callable(value) and hasattr(value, "_is_step"):
                steps.append(key)
        cls.steps = tuple(steps)


    print("Example 18")