YDK 0.8.0 for Python is now out with gNMI support!! Packages available at Pypi.org ydk-py has also been updated at GitHub.
Released on 2018-12-18, version 0.8.0
Here is a list of new features in the release:
Bundle improvements
* Updated cisco-ios-xr bundle to include previously missing action models in Cisco IOS XR 6.5.1 release
* Released cisco-nx-os bundle to support Cisco NX OS 9.2.2 release
gNMI protocol (protobuf version 0.4.0)
* New service provider (gNMIServiceProvider) for gNMI
* New gNMI service (gNMIService) with support Capabilities, Set, Get and Subscribe RPCs
* Updated CRUD service with support for gNMI service provider
NETCONF Improvements
* Added support for certificate-based authentication for multiple servers
Check out the documentation at ydk.cisco.com