+ elif isinstance(nodegroup_filter, int):
+ nodegroup_filter = Filter(NodeGroup.fields, {'nodegroup_id': nodegroup_filter})
+ sql += " AND (%s) %s" % nodegroup_filter.sql(api, "AND")
+ elif isinstance(nodegroup_filter, str):
+ nodegroup_filter = Filter(NodeGroup.fields, {'groupname': nodegroup_filter})
+ sql += " AND (%s) %s" % nodegroup_filter.sql(api, "AND")
+ else:
+ raise PLCInvalidArgument("Wrong node group filter %r"%nodegroup_filter)