How to get all device driver types and driver name by script?

As title, I’d like to add device by script system.device.addDevice - Ignition User Manual 8.1 - Ignition Documentation ( manually, I don’t know what driver types avaiable on hand.
Driver types and names as following

We are allowed to access gateway by

from com.inductiveautomation.ignition.gateway import IgnitionGateway
gateway = IgnitionGateway.get()

I have no idea what method to call next

Any ideas will be appreciated.

These are internal details of the OPC Server implementation. I doubt you will be able to make this work for anything but the documented devices.