Get prefix data from NIPAP

def get_prefixes(self, query):
        """ Get prefix data from NIPAP
        """
        try:
            res = Prefix.smart_search(query, {})
        except socket.error:
            print >> sys.stderr, "Connection refused, please check hostname & port"
            sys.exit(1)
        except xmlrpclib.ProtocolError:
            print >> sys.stderr, "Authentication failed, please check your username / password"
            sys.exit(1)

        for p in res['result']:
            p.prefix_ipy = IPy.IP(p.prefix)
            self.prefixes.append(p)