X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Frspecs%2Fversions%2Fpgv2.py;h=21183bf79e7d2b5d4d9f643ed6f5683194134aaa;hb=4a2337e7f70cef81a8de37829aa63fc941c4b96e;hp=cfe1eaeefe8c9f3299153113c25581e475f118c4;hpb=ed21507f990ecf9c49887283fb44e9c92a8624f9;p=sfa.git

diff --git a/sfa/rspecs/versions/pgv2.py b/sfa/rspecs/versions/pgv2.py
index cfe1eaee..21183bf7 100644
--- a/sfa/rspecs/versions/pgv2.py
+++ b/sfa/rspecs/versions/pgv2.py
@@ -103,7 +103,8 @@ class PGv2(RSpecVersion):
     def add_default_sliver_attribute(self, name, value, network=None):
         pass
 
-    def add_slivers(self, hostnames, attributes=[], sliver_urn=None, append=False):
+    def add_slivers(self, hostnames, attributes=None, sliver_urn=None, append=False):
+        if attributes is None: attributes=[]
         # all nodes hould already be present in the rspec. Remove all
         # nodes that done have slivers
         for hostname in hostnames:
@@ -182,6 +183,14 @@ class PGv2(RSpecVersion):
     def add_leases(self, leases, network = None, no_dupes=False):
         PGv2Lease.add_leases(self.xml, leases)
 
+    # Spectrum
+
+    def get_channels(self, filter=None):
+        return []
+
+    def add_channels(self, channels, network = None, no_dupes=False):
+        pass
+
     # Utility
 
     def merge(self, in_rspec):