class ActionNotFound(Exception):
    pass


class Dispatcher:
    def __init__(self, actions: list):
        self._actions = actions

    def __call__(self, task):
        try:
            choosen_action = self._actions[task.action]
        except KeyError:
            raise ActionNotFound(f"The action {task.action} is not in {self._actions.keys()}")

        return choosen_action(
            args=task.args,
            deps=task.deps,
            output=task.output
        )

def fake_worker(args, deps, output):
    yield f"FAKE - {args} - {deps} - {output}"