methodnamedispatcher.py

class MethodNameDispatcherThing(object):
    def __init__(self, target, types_to_method_names):
        self.target = target
        self.types_to_method_names = types_to_method_names

    def __call__(self, intent):
        method_name = self.types_to_method_names.get(type(intent), None)
        if method_name is not None:
            return getattr(self.target, method_name)