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asyncio (PEP 3156) Redis support

Project description

asyncio (PEP 3156) Redis client library.


hiredis parser Yes
Pure-python parser Yes
Low-level & High-level APIs Yes
Connections Pool Yes
Pipelining support Yes
Pub/Sub support Yes
SSL/TLS support Yes
Sentinel support Yes [1]
Redis Cluster support WIP
Trollius (python 2.7) No
Tested CPython versions 3.5, 3.6 [2]
Tested PyPy3 versions 5.9.0
Tested for Redis server 2.6, 2.8, 3.0, 3.2, 4.0
Support for dev Redis server through low-level API
[1]Sentinel support is available in master branch. This feature is not yet stable and may have some issues.
[2]For Python 3.3, 3.4 support use aioredis v0.3.

Usage examples

Simple low-level interface:

import asyncio
import aioredis

loop = asyncio.get_event_loop()

async def go():
    conn = await aioredis.create_connection(
        'redis://localhost', loop=loop)
    await conn.execute('set', 'my-key', 'value')
    val = await conn.execute('get', 'my-key')
    await conn.wait_closed()
# will print 'value'

Simple high-level interface:

import asyncio
import aioredis

loop = asyncio.get_event_loop()

async def go():
    redis = await aioredis.create_redis(
        'redis://localhost', loop=loop)
    await redis.set('my-key', 'value')
    val = await redis.get('my-key')
    await redis.wait_closed()
# will print 'value'

Connections pool:

import asyncio
import aioredis

loop = asyncio.get_event_loop()

async def go():
    pool = await aioredis.create_pool(
        minsize=5, maxsize=10,
    await pool.execute('set', 'my-key', 'value')
    print(await pool.execute('get', 'my-key'))
    # graceful shutdown
    await pool.wait_closed()




hiredis is preferred requirement. Pure-python protocol parser is implemented as well and can be used through parser parameter.


Benchmarks can be found here:

Discussion list

aio-libs google group:!forum/aio-libs

Or gitter room:


The aioredis is offered under MIT license.


1.0.0 (2017-11-17)


  • Important! Drop Python 3.3, 3.4 support; (see #321, #323 and #326);
  • Important! Connections pool has been refactored; now create_redis function will yield Redis instance instead of RedisPool (see #129);
  • Important! Change sorted set commands reply format: return list of tuples instead of plain list for commands accepting withscores argument (see #334);
  • Important! Change hscan command reply format: return list of tuples instead of mixed key-value list (see #335);
  • Implement Redis URI support as supported address argument value (see #322);
  • Dropped create_reconnecting_redis, create_redis_pool should be used instead;
  • Implement custom StreamReader (see #273);
  • Implement Sentinel support (see #181);
  • Implement pure-python parser (see #212);
  • Add migrate_keys command (see #187);
  • Add zrevrangebylex command (see #201);
  • Add command, command_count, command_getkeys and command_info commands (see #229);
  • Add ping support in pubsub connection (see #264);
  • Add exist parameter to zadd command (see #288);
  • Add MaxClientsError and implement ReplyError specialization (see #325);
  • Add encoding parameter to sorted set commands (see #289);


  • Fix CancelledError in conn._reader_task (see #301);
  • Fix pending commands cancellation with CancelledError, use explicit exception instead of calling cancel() method (see #316);
  • Correct error message on Sentinel discovery of master/slave with password (see #327);
  • Fix bytearray support as command argument (see #329);
  • Fix critical bug in patched asyncio.Lock (see #256);
  • Fix Multi/Exec transaction canceled error (see #225);
  • Add missing arguments to create_redis and create_redis_pool;
  • Fix deprecation warning (see #191);
  • Make correct __aiter__() (see #192);
  • Backward compatibility fix for with (yield from pool) as conn: (see #205);
  • Fixed pubsub receiver stop() (see #211);


  • Multiple test fixes;
  • Add PyPy3 to build matrix;
  • Update dependencies versions;
  • Add missing Python 3.6 classifier;

0.3.5 (2017-11-08)


  • Fix for indistinguishable futures cancellation with asyncio.CancelledError (see #316), cherry-picked from master;

0.3.4 (2017-10-25)


  • Fix time command result decoding when using connection-wide encoding setting (see #266);

0.3.3 (2017-06-30)


  • Critical bug fixed in patched asyncio.Lock (see #256);

0.3.2 (2017-06-21)


  • Added zrevrangebylex command (see #201), cherry-picked from master;
  • Add connection timeout (see #221), cherry-picked from master;


  • Fixed pool close warning (see #239 and #236), cherry-picked from master;
  • Fixed asyncio Lock deadlock issue (see #231 and #241);

0.3.1 (2017-05-09)


  • Fix pubsub Receiver missing iter() method (see #203);

0.3.0 (2017-01-11)


  • Pub/Sub connection commands accept Channel instances (see #168);
  • Implement new Pub/Sub MPSC (multi-producers, single-consumer) Queue – aioredis.pubsub.Receiver (see #176);
  • Add module providing abstract base classes defining interface for basic lib components; (see #176);
  • Implement Geo commands support (see #177 and #179);


  • Minor tests fixes;


  • Update examples and docs to use async/await syntax also keeping yield from examples for history (see #173);
  • Reflow Travis CI configuration; add Python 3.6 section (see #170);
  • Add AppVeyor integration to run tests on Windows (see #180);
  • Update multiple development requirements;

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