From: Tony Mack <tmack@paris.CS.Princeton.EDU>
Date: Thu, 9 Feb 2012 00:40:25 +0000 (-0500)
Subject: get_rspec() should return an empty rspec when the slice has no nodes
X-Git-Tag: sfa-2.1-3~10^2~16
X-Git-Url: http://git.onelab.eu/?a=commitdiff_plain;h=cb264fca8adcf75383e86acffd78f853b50345c2;p=sfa.git

get_rspec() should return an empty rspec when the slice has no nodes
---

diff --git a/sfa/plc/plaggregate.py b/sfa/plc/plaggregate.py
index 1cace7a9..55e6291e 100644
--- a/sfa/plc/plaggregate.py
+++ b/sfa/plc/plaggregate.py
@@ -136,6 +136,11 @@ class PlAggregate:
         return (slice, slivers)
 
     def get_nodes_and_links(self, slice=None,slivers=[], options={}):
+        # if we are dealing with a slice that has no node just return 
+        # and empty list    
+        if slice is not None and not slice['node_ids']:
+            return ([],[])
+
         filter = {}
         tags_filter = {}
         if slice and 'node_ids' in slice and slice['node_ids']: