uvloop 0,5,3,0,5,2,82,0 travis-ci python

Ultra fast implementation of asyncio event loop on top of libuv.

.. image:: https://travis-ci.org/MagicStack/uvloop.svg?branch=master :target: https://travis-ci.org/MagicStack/uvloop

.. image:: https://img.shields.io/pypi/v/uvloop.svg :target: https://pypi.python.org/pypi/uvloop

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 <http://uvloop.readthedocs.org/>. Please also check out the wiki <https://github.com/MagicStack/uvloop/wiki>.

Performance

uvloop makes asyncio 2-4x faster.

.. image:: performance.png :target: http://magic.io/blog/uvloop-blazing-fast-python-networking/

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 performance <http://magic.io/blog/uvloop-blazing-fast-python-networking/>_.

Installation

uvloop requires Python 3.5 and is available on PyPI. Use pip to install it::

$ pip install uvloop

Using uvloop

To make asyncio use uvloop, you can install the uvloop event loop policy:

.. code:: python

import asyncio
import uvloop
asyncio.set_event_loop_policy(uvloop.EventLoopPolicy())

Alternatively, you can create an instance of the loop manually, using:

.. code:: python

loop = uvloop.new_event_loop()
asyncio.set_event_loop(loop)

Development of uvloop

To build uvloop, you'll need Cython and Python 3.5. The best way is to create a virtual env, so that you'll have cython and python commands pointing to the correct tools.

  1. git clone --recursive [email protected]:MagicStack/uvloop.git

  2. cd uvloop

  3. make

  4. make test

License

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

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