def index(self, accepted=False, *args):
   results =None
   index = 0; count=20
   try:
     index = int(self.params.index)
     count = int(self.params.count)
   except:
     pass
   nextIndex = index+count;
   previousIndex = index<=0 and -1 or (index-count>0 and 0 or index-count) 
   result = {'InvitationList': Invitation.all().filter('Accepted = ', accepted).fetch(limit=count, offset=index)}
   result.update(locals())
   return result
 def delete(self, *args):
   Invitation.get(self.params.key).delete()
   return {'message':'Item is deleted'}