X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=sidebyside;f=sfa%2Frspecs%2Fversions%2Fsfav1.py;h=6e973e7e1b514077f3f4489c378ce21f080b1b7f;hb=4a2337e7f70cef81a8de37829aa63fc941c4b96e;hp=fa5f9d4b914141d46fb7fa6089b7dc8f8f19ab45;hpb=ed21507f990ecf9c49887283fb44e9c92a8624f9;p=sfa.git

diff --git a/sfa/rspecs/versions/sfav1.py b/sfa/rspecs/versions/sfav1.py
index fa5f9d4b..6e973e7e 100644
--- a/sfa/rspecs/versions/sfav1.py
+++ b/sfa/rspecs/versions/sfav1.py
@@ -59,7 +59,8 @@ class SFAv1(RSpecVersion):
 
     # Slivers
    
-    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=[]
         # add slice name to network tag
         network_tags = self.xml.xpath('//network')
         if network_tags:
@@ -225,6 +226,14 @@ class SFAv1(RSpecVersion):
     def add_leases(self, leases, network = None, no_dupes=False):
         SFAv1Lease.add_leases(self.xml, leases)
 
+    # Spectrum
+
+    def get_channels(self, filter=None):
+        return []
+
+    def add_channels(self, channels, network = None, no_dupes=False):
+        pass
+
 if __name__ == '__main__':
     from sfa.rspecs.rspec import RSpec
     from sfa.rspecs.rspec_elements import *