ensure 'rspec_version' option is specified

diff --git a/sfa/methods/ListResources.py b/sfa/methods/ListResources.py
index 65fd819..c13baa7 100644 (file)
--- a/sfa/methods/ListResources.py
+++ b/sfa/methods/ListResources.py
@@ -3,7 +3,7 @@ import zlib
 from sfa.util.xrn import urn_to_hrn
 from sfa.util.method import Method
 from sfa.util.sfatablesRuntime import run_sfatables
-
+from sfa.util.faults import InvalidRSpecVersion
 from sfa.trust.credential import Credential
 
 from sfa.storage.parameter import Parameter, Mixed
@@ -25,7 +25,11 @@ class ListResources(Method):
 
     def call(self, creds, options={}):
         self.api.logger.info("interface: %s\tmethod-name: %s" % (self.api.interface, self.name))
-        
+       
+        # client must specify a version
+        if not options.get('rspec_version'):
+            raise InvalidRSpecVersion('Must specify an rspec version option. rspec_version cannot be null')
+ 
         # get slice's hrn from options    
         xrn = options.get('geni_slice_urn', '')
         (hrn, _) = urn_to_hrn(xrn)