def set(self, model, property_name, value):
        """
        Set model property to value. Use setter if possible.
        :param model: model object or dict
        :param property_name: str, name on the model
        :param value: mixed, a value to set
        :return: None
        """
        if type(model) is dict:
            model[property_name] = value
        elif hasattr(model, 'set_' + property_name):
            setter = getattr(model, 'set_' + property_name)
            setter(value)
        else:
            try:
                setattr(model, property_name, value)
            except AttributeError:
                pass