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Metadata-Version: 2.1
Name: uvloop
Version: 0.21.0
Summary: Fast implementation of asyncio event loop on top of libuv
Author-email: Yury Selivanov <yury@magic.io>
License: MIT License
Project-URL: github, https://github.com/MagicStack/uvloop
Keywords: asyncio,networking
Classifier: Development Status :: 5 - Production/Stable
Classifier: Framework :: AsyncIO
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved :: Apache Software License
Classifier: License :: OSI Approved :: MIT License
Classifier: Operating System :: POSIX
Classifier: Operating System :: MacOS :: MacOS X
Classifier: Programming Language :: Python :: 3 :: Only
Classifier: Programming Language :: Python :: 3.8
Classifier: Programming Language :: Python :: 3.9
Classifier: Programming Language :: Python :: 3.10
Classifier: Programming Language :: Python :: 3.11
Classifier: Programming Language :: Python :: 3.12
Classifier: Programming Language :: Python :: 3.13
Classifier: Programming Language :: Python :: Implementation :: CPython
Classifier: Topic :: System :: Networking
Requires-Python: >=3.8.0
Description-Content-Type: text/x-rst
License-File: LICENSE-APACHE
License-File: LICENSE-MIT
Provides-Extra: dev
Requires-Dist: setuptools>=60; extra == "dev"
Requires-Dist: Cython~=3.0; extra == "dev"
Provides-Extra: docs
Requires-Dist: Sphinx~=4.1.2; extra == "docs"
Requires-Dist: sphinxcontrib-asyncio~=0.3.0; extra == "docs"
Requires-Dist: sphinx-rtd-theme~=0.5.2; extra == "docs"
Provides-Extra: test
Requires-Dist: aiohttp>=3.10.5; extra == "test"
Requires-Dist: flake8~=5.0; extra == "test"
Requires-Dist: psutil; extra == "test"
Requires-Dist: pycodestyle~=2.9.0; extra == "test"
Requires-Dist: pyOpenSSL~=23.0.0; extra == "test"
Requires-Dist: mypy>=0.800; extra == "test"
.. image:: https://img.shields.io/github/actions/workflow/status/MagicStack/uvloop/tests.yml?branch=master
:target: https://github.com/MagicStack/uvloop/actions/workflows/tests.yml?query=branch%3Amaster
.. image:: https://img.shields.io/pypi/v/uvloop.svg
:target: https://pypi.python.org/pypi/uvloop
.. image:: https://pepy.tech/badge/uvloop
:target: https://pepy.tech/project/uvloop
:alt: PyPI - Downloads
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:: https://raw.githubusercontent.com/MagicStack/uvloop/master/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 in a
`blog post <http://magic.io/blog/uvloop-blazing-fast-python-networking/>`_
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:
.. code:: python
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:
.. code:: python
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:
1. Clone the repository:
.. code::
$ git clone --recursive git@github.com:MagicStack/uvloop.git
$ cd uvloop
2. Create a virtual environment and activate it:
.. code::
$ python3 -m venv uvloop-dev
$ source uvloop-dev/bin/activate
3. Install development dependencies:
.. code::
$ pip install -e .[dev]
4. Build and run tests:
.. code::
$ make
$ make test
License
-------
uvloop is dual-licensed under MIT and Apache 2.0 licenses.