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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def hook(*hook_patterns):
 """ Register the decorated function to run when the current hook matches any of the ``hook_patterns``. This decorator is generally deprecated and should only be used when absolutely necessary. supported by :func:`~charms.reactive.bus.any_hook`. Note that hook decorators **cannot** be combined with :func:`when` or :func:`when_not` decorators. """

    def _register(action):
        def arg_gen():
            # use a generator to defer calling of hookenv.relation_type, for tests
            rel = endpoint_from_name(hookenv.relation_type())
            if rel:
                yield rel

        handler = Handler.get(action)
        handler.add_predicate(partial(_hook, hook_patterns))
        handler.add_args(arg_gen())
        return action
    return _register