20 lines
455 B
Python
20 lines
455 B
Python
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import typing
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T_JSON_DICT = typing.Dict[str, typing.Any]
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_event_parsers = dict()
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def event_class(method):
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''' A decorator that registers a class as an event class. '''
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def decorate(cls):
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_event_parsers[method] = cls
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return cls
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return decorate
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def parse_json_event(json: T_JSON_DICT) -> typing.Any:
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''' Parse a JSON dictionary into a CDP event. '''
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return _event_parsers[json['method']].from_json(json['params'])
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