4.4. Global Transition

transitions = {
    'state': 'start',
    '`Hi there, how are you doing today?`': {
        '[{good, fantastic}]': {
            'state': 'good',
            '`Glad to hear that.` #WHAT_ELSE': {
                '[#LEM(movie)]': 'movie',
                '[music]': 'music',
                'error': {
                    'state': 'goodbye',
                    '`Goodbye!`': 'end'
                }
            }
        },
        'error': 'goodbye'
    }
}

music_transitions = {
    'state': 'music',
    '`My favorite song is "Raining Tacos"! What\'s yours?`': {
        'error': 'good'
    }
}

movie_transitions = {
    'state': 'movie',
    '`My favorite movie is "Spider-Man: Homecoming"! What\'s yours?`': {
        'error': 'good'
    }
}

macros = {
    'WHAT_ELSE': MacroWhatElse()
}

class MacroWhatElse(Macro):
    def run(self, ngrams: Ngrams, vars: Dict[str, Any], args: List[Any]):
        vn = 'HAVE_TALK'
        if vn in vars and vars[vn]:
            return 'What else do you want to talk about?'
        else:
            vars[vn] = True
            return 'What do you want to talk about?'

df = DialogueFlow('start', end_state='end')
df.load_transitions(transitions)
df.load_transitions(music_transitions)
df.load_transitions(movie_transitions)
df.add_macros(macros)

gloabl_transitions = {
    '[{covid, corona, virus}]': {
        '`I hope you are OK.`': 'good'
    },
    '[{birthday}]': {
        '`Happy birthday to you!`': 'good'
    }
}

df.load_global_nlu(gloabl_transitions)

gloabl_transitions = {
    '[{covid, corona, virus}]': {
        'score': 0.5,
        '`I hope you are OK.`': 'good'
    },
    '[{birthday}]': {
        'score': 0.5,
        '`Happy birthday to you!`': 'good'
    }
}