import json
import keyword

class UpdateObject:
    def __init__(self, dict):
        vars(self).update(dict)
        for i in vars(self).keys():
            if keyword.iskeyword(i):
                upd_i = 'upd_' + i
                vars(self)[upd_i] = vars(self).pop(i)


class Bot:
    def __init__(self, update, uid):
        upd_obj = json.loads(update, object_hook= UpdateObject)
        self.process_update(upd_obj)

    def process_update(self, update):
        if hasattr(update, 'message'):
            message = Message(update.message)
        if hasattr(update.message, 'chat'):
            chat = Chat(update.message.chat)
        if hasattr(update.message, 'upd_from'):
            user = User(update.message.upd_from)


class Message:
    def __init__ (self, message):
        self = message
        print(vars(self))


class Chat:
     def __init__ (self, chat):
        self = chat
        print(vars(self))


class User:
    def __init__ (self, user):
        self = user
        print(vars(user))


data = b'{"update_id":68063223,\n"message":{"message_id":456,"from":{"id":1144234,"is_bot":false,"first_name":"SOKOLOV","username":"S0K0L0V","language_code":"ru"},"chat":{"id":-1001331469539,"title":"asker-bot-test-chat","username":"asker_bot_test","type":"supergroup"},"date":1566481244,"text":"fdfq"}}'
b = Bot(data, 112233)