pythonチャネルステータスの取得

import sys
import os
import pymqi
import time

if len(sys.argv) != 5:
    print sys.argv[0] + ' ' + 'queue_manager' + ' ' + 'channel' + ' ' + 'host' + ' ' + 'port'
else:
    queue_manager = sys.argv[1]
    channel = sys.argv[2]
    host = sys.argv[3]
    port = sys.argv[4]
    conn_info = "%s(%s)" % (host, port)
    prefix = "*"
    args = {pymqi.CMQCFC.MQCACH_CHANNEL_NAME: prefix}
    print '-----------------------------------------'
    print args
    print '-----------------------------------------'
    qmgr = pymqi.connect(queue_manager, channel, conn_info)
    pcf = pymqi.PCFExecute(qmgr)
    response = pcf.MQCMD_INQUIRE_CHANNEL_STATUS(args)
    code={0:'MQCHS_INACTIVE',1:'MQCHS_BINDING',2:'MQCHS_STARTING',3:'MQCHS_RUNNING',4:'MQCHS_STOPPING ',5:'MQCHS_RETRYING',6:'MQCHS_STOPPED',7:'MQCHS_REQUESTING',8:'MQCHS_PAUSED',13:'MQCHS_INITIALIZING'}
    for channel_info in response:
        channelname = channel_info[3501]
        channelstatus = code[channel_info[1527]]
        print channelname.strip()+'->'+channelstatus
qmgr.disconnect()