Python script: delete all Redis keys older than 6 hours

purge_redis_expired.py

# pip install redis
# python purge_redis_expired.py

#!/usr/bin/env python
import redis
r = redis.StrictRedis(host='localhost', port=6379, db=0)
for key in r.scan_iter("*"):
    idle = r.object("idletime", key)
    # idle time is in seconds. This is 6h
    if idle > 21600:
        r.delete(key)