uvloop

Fast implementation of asyncio event loop on top of libuv

These details have been verified by PyPI

Maintainers

edgedb-ci Elvis.Pranskevichus magicstack-ci yselivanov

These details have not been verified by PyPI

Project links

github

Project description

https://img.shields.io/github/actions/workflow/status/MagicStack/uvloop/tests.yml?branch=master

https://img.shields.io/pypi/v/uvloop.svg

uvloop is a fast, drop-in replacement of the built-in asyncio event loop. uvloop is implemented in Cython and uses libuv under the hood.

The project documentation can be found here. Please also check out the wiki.

Performance

uvloop makes asyncio 2-4x faster.

The above chart shows the performance of an echo server with different message sizes. The sockets benchmark uses loop.sock_recv() and loop.sock_sendall() methods; the streams benchmark uses asyncio high-level streams, created by the asyncio.start_server() function; and the protocol benchmark uses loop.create_server() with a simple echo protocol. Read more about uvloop in a blog post about it.

Installation

uvloop requires Python 3.8 or greater and is available on PyPI. Use pip to install it:

$ pip install uvloop

Note that it is highly recommended to upgrade pip before installing uvloop with:

$ pip install -U pip

Using uvloop

As of uvloop 0.18, the preferred way of using it is via the uvloop.run() helper function:

import uvloop

async def main():
    # Main entry-point.
    ...

uvloop.run(main())

uvloop.run() works by simply configuring asyncio.run() to use uvloop, passing all of the arguments to it, such as debug, e.g. uvloop.run(main(), debug=True).

With Python 3.11 and earlier the following alternative snippet can be used:

import asyncio
import sys

import uvloop

async def main():
    # Main entry-point.
    ...

if sys.version_info >= (3, 11):
    with asyncio.Runner(loop_factory=uvloop.new_event_loop) as runner:
        runner.run(main())
else:
    uvloop.install()
    asyncio.run(main())

Building From Source

To build uvloop, you’ll need Python 3.8 or greater:

Clone the repository:

$ git clone --recursive git@github.com:MagicStack/uvloop.git
$ cd uvloop

Create a virtual environment and activate it:

$ python3 -m venv uvloop-dev
$ source uvloop-dev/bin/activate

Install development dependencies:
```
$ pip install -e .[dev]
```
Build and run tests:
```
$ make
$ make test
```

License

uvloop is dual-licensed under MIT and Apache 2.0 licenses.

Project details

These details have been verified by PyPI

Maintainers

edgedb-ci Elvis.Pranskevichus magicstack-ci yselivanov

These details have not been verified by PyPI

Project links

github

Release history Release notifications | RSS feed

0.21.0

Oct 14, 2024

0.21.0b1 pre-release

Sep 3, 2024

This version

0.20.0

Aug 15, 2024

0.19.0

Oct 22, 2023

0.18.0

Oct 13, 2023

0.17.0

Sep 14, 2022

0.16.0

Aug 10, 2021

0.15.3

Jul 13, 2021

0.15.2

Feb 19, 2021

0.15.1 yanked

Feb 15, 2021

0.15.0 yanked

Feb 10, 2021

0.14.0

Nov 5, 2019

0.14.0rc2 pre-release

Oct 29, 2019

0.14.0rc1 pre-release

Oct 25, 2019

0.13.0

Aug 14, 2019

0.13.0rc1 pre-release

Apr 25, 2019

0.12.2

Mar 20, 2019

0.12.1

Feb 12, 2019

0.12.0

Jan 21, 2019

0.12.0rc1 pre-release

Oct 31, 2018

0.11.3

Oct 31, 2018

0.11.2

Aug 7, 2018

0.11.1

Aug 2, 2018

0.11.0

Jul 4, 2018

0.10.3

Aug 7, 2018

0.10.2

Jun 25, 2018

0.10.1

Jun 1, 2018

0.10.0

May 30, 2018

0.9.1

Nov 29, 2017

0.9.0

Nov 26, 2017

0.8.1

Sep 12, 2017

0.8.0

Feb 9, 2017

0.7.2

Jan 5, 2017

0.7.1

Jan 2, 2017

0.7.0

Dec 24, 2016

0.6.8

Dec 23, 2016

0.6.7

Nov 28, 2016

0.6.6

Nov 28, 2016

0.6.5

Nov 10, 2016

0.6.1

Nov 10, 2016

0.6.0

Nov 6, 2016

0.5.5

Nov 6, 2016

0.5.4

Oct 5, 2016

0.5.3

Aug 24, 2016

0.5.2

Aug 11, 2016

0.5.1

Aug 10, 2016

0.5.0

Jul 19, 2016

0.4.34

Jul 12, 2016

0.4.33

Jul 5, 2016

0.4.32

Jul 4, 2016

0.4.31

Jun 28, 2016

0.4.30

Jun 9, 2016

0.4.29

May 29, 2016

0.4.28

May 23, 2016

0.4.27

May 23, 2016

0.4.26

May 21, 2016

0.4.25

May 19, 2016

0.4.24

May 16, 2016

0.4.23

May 14, 2016

0.4.22

May 14, 2016

0.4.21

May 13, 2016

0.4.20

May 13, 2016

0.4.19

May 11, 2016

0.4.18

May 11, 2016

0.4.17

May 11, 2016

0.4.16

May 9, 2016

0.4.15

May 9, 2016

0.4.14

May 7, 2016

0.4.13

May 5, 2016

0.4.12

May 5, 2016

0.4.11

May 4, 2016

0.4.10

May 4, 2016

0.4.9

Apr 28, 2016

0.4.8

Apr 28, 2016

0.4.7

Apr 19, 2016

0.4.6

Apr 14, 2016

0.4.5

Apr 14, 2016

0.4.4

Apr 12, 2016

0.4.3

Apr 12, 2016

0.4.2

Apr 12, 2016

0.4.1

Apr 12, 2016

0.4.0

Apr 12, 2016

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uvloop 0.20.0

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BLAKE2b-256	`da6f1a7c814fd36320a7ca9cb362fae24178098f7c7cb1f972b1079889571ae6`

Algorithm	Hash digest
SHA256	`265a99a2ff41a0fd56c19c3838b29bf54d1d177964c300dad388b27e84fd7847`
MD5	`ad95b1dfd8ba6ef5e882e7cabe126f17`
BLAKE2b-256	`e9e944586b2a9a9dc9e44bead5a2428b8f6ccd0a434f6371e2933e5964e107d0`

Algorithm	Hash digest
SHA256	`fee6044b64c965c425b65a4e17719953b96e065c5b7e09b599ff332bb2744bdf`
MD5	`26c88c0952e1659ea54010e46776d5ff`
BLAKE2b-256	`10ba28491355f7a276ae0600768388ef59e66b06a4508cf5f82a420d89190e48`

Algorithm	Hash digest
SHA256	`f0e94b221295b5e69de57a1bd4aeb0b3a29f61be6e1b478bb8a69a73377db7ba`
MD5	`7a2c44db9301389146bedb3c46f7f4ef`
BLAKE2b-256	`9b6c120ab71f684bfcd68e1ce550d27064a52f48bec14cee0670f18b368e03e0`