Device component:

class DriverFactory:

    def __init__(self, drivers : List[Tuple[type, List[Dict[FilterFieldEnum, Any]]]]) -> None:

        self.__indices : Dict[str, Dict[str, Set[_Driver]]] = {} # Dict{field_name => Dict{field_value => Set{Driver}}}

        # Dict{field_name => Dict{field_value => Set{Driver}}}

        self.__indices : Dict[str, Dict[str, Set[_Driver]]] = dict()

        for driver_class,filter_field_sets in drivers:

            for filter_fields in filter_field_sets:

        if len(candidate_driver_classes) == 0: raise UnsatisfiedFilterException(filter_fields)

        candidate_driver_classes = sorted(candidate_driver_classes.items(), key=operator.itemgetter(1), reverse=True)

        MSG = '[get_driver_class] candidate_driver_classes={:s}'

        LOGGER.debug(MSG.format(str(candidate_driver_classes)))

        return candidate_driver_classes[0][0]