Device component - gNMI OpenConfig Driver:

            PATH_TMPL  = '/network-instances/network-instance[name={:s}]/protocols'

            PATH_TMPL += '/protocol[identifier={:s}][name={:s}]/static-routes/static[prefix={:s}]'

            str_path = PATH_TMPL.format(ni_name, identifier, proto_name, prefix)

            root_node : libyang.DContainer = yang_handler.get_data_path(

                '/openconfig-network-instance:network-instances'

            )

            yang_ni_pr_sr_path = root_node.find_path('/'.join([

                '', # add slash at the beginning

                'openconfig-network-instance:network-instances',

                'network-instance[name="{:s}"]'.format(ni_name),

                'protocols',

                'protocol[identifier="{:s}"][name="{:s}"]'.format(identifier, proto_name),

                'static-routes',

                'static[prefix="{:s}"]'.format(prefix)

            ]))

            if yang_ni_pr_sr_path is not None:

                yang_ni_pr_sr_path.unlink()

                yang_ni_pr_sr_path.free()

            str_data = json.dumps({})

            return str_path, str_data