python-redisGet Redis key size

r = redis.Redis()
size = r.debug_object('test')['serializedlength']ctrl + cgithub

`redis.Redis` connect to Redis server	`debug_object` return Redis system info on specified key
`test` key to get size of	`serializedlength` will return size of the value of specified key

import redis

r = redis.Redis()
size = r.debug_object('test')['serializedlength']

print(size)