def dtype(self, value):
        for (dtype, string) in self._all:
            if string == value:
                return dtype

        return None
Helper to return the first IPv4 address of a node as its router ID.
dataset/ETHPy150Open datalyze-solutions/pandas-qt/pandasqt/models/SupportedDtypes.py/SupportedDtypesTranslator.dtype--crossover with--dataset/ETHPy150Open coreemu/core/daemon/core/services/quagga.py/QuaggaService.routerid