Redis pubsub viewer

redisviewer.py

import redis
import sys

host = sys.argv[1]
room = sys.argv[2]
print "-- connect to redis"
client = redis.Redis(host=host)
pubsub = client.pubsub()
pubsub.subscribe(room)
print "-- listen to {}".format(room)
for item in pubsub.listen():
    print item