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Questions tagged [redis-py]

A Python interface to the Redis key-value store.

A Python interface to the Redis key-value store.

redis-py is developed and maintained by Andy McCurdy (sedrik@gmail.com).

It can be installed in your python environment using pip install redis or if you download the source from above link you can run python setup.py install

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Redis Python - how to delete all keys according to a specific pattern In python, without python iterating

I'm writing a django management command to handle some of our redis caching. Basically, I need to choose all keys, that confirm to a certain pattern (for example: "prefix:*") and delete them. I know I can use the cli to do that: redis-cli KEYS…
alonisser
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redis-python db=0 parameter used for?

I have read the redis-python document and searched online, I can not find anything about the db parameter for Redis(). What is it use for?
kun
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Is non-blocking Redis pubsub possible?

I want to use redis' pubsub to transmit some messages, but don't want be blocked using listen, like the code below: import redis rc = redis.Redis() ps = rc.pubsub() ps.subscribe(['foo', 'bar']) rc.publish('foo', 'hello world') for item in…
limboy
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What are equivalent functions of MULTI and EXEC commands in redis-py?

I tested all the transaction commands (MULTI, EXEC, WATCH, DISCARD) in redis-cli. But when i tried with redis-py the following error occurred: AttributeError: 'Redis' object has no attribute 'multi' I have tried the following code snippet: import…
Ahsanul Haque
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redis-py and hgetall behavior

I played around with flask microframework, and wanted to cache some stats in redis. Let's say I have this dict: mydict = {} mydict["test"] = "test11" I saved it to redis with redis.hmset("test:key", mydict) However after restore stored =…
Tommi
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How to use sadd with multiple elements in Redis using Python API?

Please consider the following example >>import redis >>redis_db_url = '127.0.0.1' >>r = redis.StrictRedis(host = redis_db_url,port = 6379,db = 0) >>r.sadd('a',1) >>r.sadd('a',2) >>r.sadd('a',3) >>r.smembers('a') [+] output: set(['1', '3',…
Sourav Sarkar
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How to set the redis timeout waiting for the response with pipeline in redis-py?

In the code below, is the pipeline timeout 2 seconds? client = redis.StrictRedis(host=host, port=port, db=0, socket_timeout=2) pipe = client.pipeline(transaction=False) for name in namelist: key = "%s-%s-%s-%s" % (key_sub1, key_sub2, name,…
hupantingxue
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Redis-python setting multiple key/values in one operation

Currently I use the basic mset feature to store a key/value; from common.redis_client import get_redis_client cache = get_redis_client() for k,v in some_dict.items(): kw = {'key': value} cache.mset(kw) #later: cache.get('key') I store…
alonisser
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redis python psubscribe to event with callback, without calling .listen()

I'm trying to subscribe to keyspace event in redis using python. I hope to NOT use the for-loop with .listen() after calling .psubscribe(). Is this possible? I have enabled all keyspace events with KEA. def subscribe(self, key, handler): #…
Keven Wang
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redis.exceptions.ConnectionError: Error -2 connecting to localhost:6379. Name or service not known

I have this error when I run my code in server, my env is debian, and Python2.7.3 Traceback (most recent call last): File "fetcher.py", line 4, in import mirad.fetcher_tasks as tasks File…
Vahid Kharazi
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redis locking: redispy vs python-redis-lock

Except that python-redis-lock module provides contextmanager for the lock object - what are the differences when compared to the lock object you get from redispy module? what is so special about python-redis-lock? rc =…
Murali Mopuru
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How to insert Billion of data to Redis efficiently?

I have around 2 billion key-value pairs and I want to load them into Redis efficiently. I am currently using Python and used Pipe as documented by the redis-py. How can I speed the following approach up? import redis def load(pdt_dict): """ …
John Deep
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Correct Way of using Redis Connection Pool in Python

How should two different modules foo.py and bar.py get a connection from a Redis connection pool? In other words, how should we structure the app? I believe the goal is to have just a single connection pool for all modules to get a connection…
Nyxynyx
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Does the redis-py module work with Redis in Cluster mode?

I'm trying to use redis-py with redis in cluster mode, but I can't get it to work. I see that redis-py-cluster works, but I have a preference for redis-py as I have been using it and it's a recommended client.
pettinato
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pythonic way deal with DataError: Invalid input of type: 'dict'. Convert to a bytes, string, int or float first.?

redis veersion 3.4.1 must be use hash, can't use str or other data type data: { '_anno': { 'ctp': 'list', 'dt': [], 'ml': 0, 'na': 'apple', 'pos': -1, 'rel': '', 'st_var': '', 'tp':…
xin.chen
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