Random Redis Command Execution Example

This function uses the redis library to execute a random redis command, such as setting a value, getting a value, incrementing, decrementing, setting an expiration time, executing multiple commands with pipelining, publishing a message, or subscribing to a channel.

Technology Stack : Python, redis

Code Type : Python Function

Code Difficulty : Intermediate

                
                    
import random
import redis

def random_redis_command():
    commands = {
        'set': lambda key, value: r.set(key, value),
        'get': lambda key: r.get(key),
        'incr': lambda key: r.incr(key),
        'decr': lambda key: r.decr(key),
        'expire': lambda key, time: r.expire(key, time),
        'pipelining': lambda commands: r.pipelining(lambda x: x, commands),
        'publish': lambda channel, message: r.publish(channel, message),
        'subscribe': lambda channel: r.subscribe(channel)
    }
    command = random.choice(list(commands.keys()))
    func = commands[command]
    key = 'key'
    value = 'value'
    time = 10
    channel = 'channel'
    if command == 'pipelining':
        commands = [random.choice(list(commands.keys())) for _ in range(5)]
    elif command == 'subscribe':
        key = 'news'
    else:
        value = 'hello'
    return func(key, value) if command != 'pipelining' else func([commands])

def redis_example_function():
    r = redis.Redis(host='localhost', port=6379, db=0)
    result = random_redis_command()
    return result