+from core.models import *
+
+def object_to_filter(model_name, pk):
+ filter_dict = {
+ 'Slice':[Slice, 'tenant_id', 'project_id'],
+ 'Sliver':[Sliver, 'instance_id', 'resource_id'],
+ 'Site':[Site, 'tenant_id', 'project_id']
+ }
+
+ mod,field,tag = filter_dict[model_name]
+ obj = mod.objects.get(pk=pk)
+ return '%s=%s'%(tag,mod[field])
+