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aioredis

asyncio (3156) Redis client library.

The library is intended to provide simple and clear interface to Redis based on asyncio.

Features

Feature	Supported
hiredis parser	✅
Pure-python parser	✅
Low-level & High-level APIs	✅
Pipelining support	✅
Multi/Exec support	✅
Connections Pool	✅
Pub/Sub support	✅
Sentinel support	✅
ACL support	✅
Streams support	✅
Redis Cluster support	🚫
Tested Python versions	3.6, 3.7, 3.8, 3.9, 3.10
Tested for Redis servers	5.0, 6.0
Support for dev Redis server	through low-level API

Installation

The easiest way to install aioredis is by using the package on PyPi:

pip install aioredis

Recommended with hiredis for performance and stability reasons:

pip install hiredis

Requirements

• Python 3.6+
• hiredis (Optional but recommended)
• async-timeout
• typing-extensions

Benchmarks

Benchmarks can be found here:

Contribute

• Issue Tracker:
• Google Group:
• Gitter:
• Source Code:
• Contributor's guide: devel

Feel free to file an issue or make pull request if you find any bugs or have some suggestions for library improvement.

License

The aioredis is offered under a MIT License.

Changelog

2.0.1 - (2021-12-20)

Features

• Added Python 3.10 to CI & Updated the Docs (see #1160)
• Enable mypy in CI (see #1101)
• Synchronized reading the responses from a connection (see #1106)

Fixes

• Remove del from Redis (Fixes #1115) (see #1227)
• fix socket.error raises (see #1129)
• Fix buffer is closed error when using PythonParser class (see #1213)

2.0.0 - (2021-03-18)

Features

• Port redis-py's client implementation to aioredis.
  (see #891)

• Make hiredis an optional dependency.
  (see #917)

1.3.1 (2019-12-02)

Bugfixes

• Fix transaction data decoding
  (see #657)
• Fix duplicate calls to pool.wait_closed() upon create_pool() exception.
  (see #671)

Deprecations and Removals

• Drop explicit loop requirement in API. Deprecate loop argument. Throw warning in Python 3.8+ if explicit loop is passed to methods.
  (see #666)

Misc

• (#643, #646, #648)

1.3.0 (2019-09-24)

Features

• Added xdel and xtrim method which missed in commands/streams.py & also added unit test code for them
  (see #438)
• Add count argument to spop command
  (see #485)
• Add support for zpopmax and zpopmin redis commands
  (see #550)
• Add towncrier: change notes are now stored in CHANGES.txt
  (see #576)
• Type hints for the library
  (see #584)
• A few additions to the sorted set commands:
• the blocking pop commands: BZPOPMAX and BZPOPMIN
• the CH and INCR options of the ZADD command
  (see #618)
• Added no_ack parameter to xread_group streams method in commands/streams.py
  (see #625)

Bugfixes

• Fix for sensitive logging
  (see #459)
• Fix slow memory leak in wait_closed implementation
  (see #498)
• Fix handling of instances were Redis returns null fields for a stream message (see #605)

Improved Documentation

• Rewrite "Getting started" documentation.
  (see #641)

Misc

• #585, #611, #612, #619, #620, #642)

1.2.0 (2018-10-24)

Features

• Implemented new Stream command support
  (see #299)
• Reduce encode_command() cost about 60%
  (see #397)

Bugfixes

• Fix pipeline commands buffering was causing multiple sendto syscalls
  (see #464) and #473)
• Python 3.7 compatibility fixes
  (see #426)
• Fix typos in documentation
  (see #400)
• Fix INFO command result parsing
  (see #405)
• Fix bug in ConnectionsPool._drop_closed method
  (see #461)

Miscellaneous

• Update dependencies versions
• Multiple tests improvements

1.1.0 (2018-02-16)

Features

• Implement new commands: wait, touch, swapdb, unlink
  (see #376)
• Add async_op argument to flushall and flushdb commands
  (see #364, #370)

Bugfixes

• Important! Fix Sentinel sentinel client with pool minsize greater than 1
  (see #380)
• Fix SentinelPool.discover_timeout usage
  (see #379)
• Fix Receiver hang on disconnect
  (see #354, #366)
• Fix an issue with subscribe/psubscribe with empty pool
  (see #351, #355)
• Fix an issue when StreamReader's feed_data is called before set_parser
  (see #347)

Miscellaneous

• Update dependencies versions
• Multiple test fixes

1.0.0 (2017-11-17)

Features

• Important! Drop Python 3.3, 3.4 support
  (see #321, #323, #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)

Bugfixes

• 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)

Miscellaneous

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

0.3.5 (2017-11-08)

Bugfixes

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

0.3.4 (2017-10-25)

Bugfixes

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

0.3.3 (2017-06-30)

Bugfixes

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

0.3.2 (2017-06-21)

Features

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

Bugfixes

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

0.3.1 (2017-05-09)

Bugfixes

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

0.3.0 (2017-01-11)

Features

• 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 aioredis.abc module providing abstract base classes defining interface for basic lib components (see #176)
• Implement Geo commands support
  (see #177, #179)

Bugfixes

• Minor tests fixes

Miscellaneous

• 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

0.2.9 (2016-10-24)

Features

• Allow multiple keys in EXISTS command
  (see #156, #157)

Bugfixes

• Close RedisPool when connection to Redis failed
  (see #136)
• Add simple INFO command argument validation
  (see #140)
• Remove invalid uses of next()

Miscellaneous

• Update devel.rst docs; update Pub/Sub Channel docs (cross-refs)
• Update MANIFEST.in to include docs, examples and tests in source bundle

0.2.8 (2016-07-22)

Features

• Add hmset_dict command
  (see #130)
• Add RedisConnection.address property
• RedisPool minsize/maxsize must not be None
• Implement close()/wait_closed()/closed interface for pool
  (see #128)

Bugfixes

• Add test for hstrlen
• Test fixes

Miscellaneous

• Enable Redis 3.2.0 on Travis
• Add spell checking when building docs
  (see #132)
• Documentation updated

0.2.7 (2016-05-27)

• create_pool() minsize default value changed to 1
• Fixed cancellation of wait_closed
  (see #118)
• Fixed time() conversion to float
  (see #126)
• Fixed hmset() method to return bool instead of b'OK'
  (see [#12))
• Fixed multi/exec + watch issue (changed watch variable was causing tr.execute() to fail)
  (see #121)
• Replace asyncio.Future uses with utility method
  (get ready to Python 3.5.2 loop.create_future())
• Tests switched from unittest to pytest (see [#12))
• Documentation updates

0.2.6 (2016-03-30)

• Fixed Multi/Exec transactions cancellation issue
  (see #110, #114)
• Fixed Pub/Sub subscribe concurrency issue
  (see #113, #115)
• Add SSL/TLS support
  (see #116)
• aioredis.ConnectionClosedError raised in execute_pubsub as well
  (see #108)
• Redis.slaveof() method signature changed: now to disable replication one should call redis.slaveof(None) instead of redis.slaveof()
• More tests added

0.2.5 (2016-03-02)

• Close all Pub/Sub channels on connection close
  (see #88)
• Add iter() method to aioredis.Channel allowing to use it with async for
  (see #89)
• Inline code samples in docs made runnable and downloadable
  (see #92)
• Python 3.5 examples converted to use async/await syntax
  (see #93)
• Fix Multi/Exec to honor encoding parameter
  (see #94, #97)
• Add debug message in create_connection
  (see #90)
• Replace asyncio.async calls with wrapper that respects asyncio version
  (see #101)
• Use NODELAY option for TCP sockets
  (see #105)
• New aioredis.ConnectionClosedError exception added. Raised if connection to Redis server is lost
  (see #108, #109)
• Fix RedisPool to close and drop connection in subscribe mode on release
• Fix aioredis.util.decode to recursively decode list responses
• More examples added and docs updated
• Add google groups link to README
• Bump year in LICENSE and docs

0.2.4 (2015-10-13)

• Python 3.5 async support:

  • New scan commands API (iscan, izscan, ihscan)
  • Pool made awaitable (allowing with await pool: ... and async with pool.get() as conn: constructs)

• Fixed dropping closed connections from free pool
  (see #83)

• Docs updated

0.2.3 (2015-08-14)

• Redis cluster support work in progress
• Fixed pool issue causing pool growth over max size & acquire call hangs
  (see #71)
• info server command result parsing implemented
• Fixed behavior of util functions
  (see #70)
• hstrlen command added
• Few fixes in examples
• Few fixes in documentation

0.2.2 (2015-07-07)

• Decoding data with encoding parameter now takes into account list (array) replies
  (see #68)

• encoding parameter added to following commands:

  • generic commands: keys, randomkey
  • hash commands: hgetall, hkeys, hmget, hvals
  • list commands: blpop, brpop, brpoplpush, lindex, lpop, lrange, rpop, rpoplpush
  • set commands: smembers, spop, srandmember
  • string commands: getrange, getset, mget

• Backward incompatibility:

  ltrim command now returns bool value instead of 'OK'

• Tests updated

0.2.1 (2015-07-06)

• Logging added (aioredis.log module)
• Fixed issue with wait_message in pub/sub
  (see #66)

0.2.0 (2015-06-04)

• Pub/Sub support added
• Fix in zrevrangebyscore command
  (see #62)
• Fixes/tests/docs

0.1.5 (2014-12-09)

• AutoConnector added
• wait_closed method added for clean connections shutdown
• zscore command fixed
• Test fixes

0.1.4 (2014-09-22)

• Dropped following Redis methods -- Redis.multi(), Redis.exec(), Redis.discard()

• Redis.multi_exec hack'ish property removed

• Redis.multi_exec() method added

• High-level commands implemented:

  • generic commands (tests)
  • transactions commands (api stabilization).

• Backward incompatibilities:

  • Following sorted set commands' API changed:

    zcount, zrangebyscore, zremrangebyscore, zrevrangebyscore

  • set string command' API changed

0.1.3 (2014-08-08)

• RedisConnection.execute refactored to support commands pipelining
  (see #33)

• Several fixes

• WIP on transactions and commands interface

• High-level commands implemented and tested:

  • hash commands
  • hyperloglog commands
  • set commands
  • scripting commands
  • string commands
  • list commands

0.1.2 (2014-07-31)

• create_connection, create_pool, create_redis functions updated: db and password arguments made keyword-only
  (see #26)
• Fixed transaction handling
  (see #32)
• Response decoding
  (see #16)

0.1.1 (2014-07-07)

• Transactions support (in connection, high-level commands have some issues)
• Docs & tests updated.

0.1.0 (2014-06-24)

• Initial release
• RedisConnection implemented
• RedisPool implemented
• Docs for RedisConnection & RedisPool
• WIP on high-level API.