I couldn't find any direct API documentation that allows you to automate this specific function either. i ran in this a few times with other stuff. You could try using ansible's shell module to execute a command that uploads the RADIUS vendor attribu...
I dont have a way to test this right now, try this
from ydk.models.Cisco_IOS_XE_native import Cisco_IOS_XE_native as xe_native
from ydk.errors import YServiceProviderError
provider = NetconfServiceProvider(address='192.168.2.2',
...
The ISE one is hosted on the Cisco SE repo, which is owned by the Cisco SE team, i think you are safe with this one. I do not know enough about the other one, which is community built, however i do know the creator and know them to be a trusted sourc...
When you reserve a sandbox you will get an email with the DST to enter here - further instructions can be found here https://developer.cisco.com/docs/sandbox/faqs/
Hope this helps.
I found these two https://pypi.org/project/ciscoaxl/ and https://github.com/CiscoISE/ciscoisesdk - i am not sure how/if these are supported, versions or status. Please check this.