redis-py guide (Python)
Connect your Python application to a Redis database
redis-py is the Python client for Redis. The sections below explain how to install redis-py
and connect your application to a Redis database.
redis-py
requires a running Redis Community Edition server. See Getting started for Redis installation instructions.
You can also access Redis with an object-mapping client interface. See RedisOM for Python for more information.
Install
To install redis-py
, enter:
pip install redis
For faster performance, install Redis with hiredis
support. This provides a compiled response parser, and for most cases requires zero code changes. By default, if hiredis
>= 1.0 is available, redis-py
attempts to use it for response parsing.
distutils
packaging scheme is no longer part of Python 3.12 and greater. If you're having difficulties getting redis-py
installed in a Python 3.12 environment, consider updating to a recent release of redis-py
.pip install redis[hiredis]
Connect and test
Connect to localhost on port 6379, set a value in Redis, and retrieve it. All responses are returned as bytes in Python. To receive decoded strings, set decode_responses=True
. For more connection options, see these examples.
r=redis.Redis(host='localhost',port=6379,decode_responses=True)
Store and retrieve a simple string.
r.set('foo','bar')# Truer.get('foo')# bar
Store and retrieve a dict.
r.hset('user-session:123',mapping={'name':'John',"surname":'Smith',"company":'Redis',"age":29})# Truer.hgetall('user-session:123')# {'surname': 'Smith', 'name': 'John', 'company': 'Redis', 'age': '29'}
More information
The redis-py
website has a command reference and some tutorials for various tasks. There are also some examples in the GitHub repository for redis-py
.
See also the other pages in this section for more information and examples: