code: def system_multicall(self, call_list):
          
  
          results = []
          for call in call_list:
              method_name = call['methodName']
              params = call['params']
  
              try:
                  # XXX A marshalling error in any response will fail the entire
                  # multicall. If someone cares they should fix this.
                  results.append([self._dispatch(method_name, params)])
              except Fault as fault:
                  results.append(
                      {'faultCode' : fault.faultCode,
                       'faultString' : fault.faultString}
                      )
              except:
                  exc_type, exc_value, exc_tb = sys.exc_info()
                  results.append(
                      {'faultCode' : 1,
                       'faultString' : "%s:%s" % (exc_type, exc_value)}
                      )
          return results
docs: system.multicall([{'methodName': 'add', 'params': [2, 2]}, ...]) => \
  [[4], ...]
  
          Allows the caller to package multiple XML-RPC calls into a single
          request.
  
          See http://www.xmlrpc.com/discuss/msgReader$1208