def get_instance(self, interface):
        cls = INTERFACE_CLASS_MAP.get(interface[0:2]) or BaseInterface
        if cls in self._instances:
            instance = self._instances[cls]
        else:
            instance = cls(self.node)
            self._instances[cls] = instance
        return instance
dataset/ETHPy150Open arista-eosplus/pyeapi/pyeapi/api/interfaces.py/Interfaces.get_instance/original