fix for smooth federation between 4.2 and 4.3

[plcapi.git] / PLC / Nodes.py

diff --git a/PLC/Nodes.py b/PLC/Nodes.py
index 679254a..8e06fad 100644 (file)
--- a/PLC/Nodes.py
+++ b/PLC/Nodes.py
@@ -247,11 +247,15 @@ class Node(Row):
         """
 
         assert 'node_id' in self
-       assert 'interface_ids' in self
 
        # we need to clean up InterfaceTags, so handling interfaces as part of join_tables does not work
-       for interface in Interfaces(self.api,self['interface_ids']):
-           interface.delete()
+        # federated nodes don't have interfaces though so for smooth transition from 4.2 to 4.3
+        if 'peer_id' in self and self['peer_id']:
+            pass
+        else:
+            assert 'interface_ids' in self
+            for interface in Interfaces(self.api,self['interface_ids']):
+                interface.delete()
 
         # Clean up miscellaneous join tables
         for table in self.join_tables: