uvloop makes asyncio 2-4x faster.
blog post about it.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
As of uvloop 0.18, the preferred way of using it is via the
uvloop.run() helper function:
</code> and
<code>loop.sock_sendall()</code> methods; the <em>streams</em> benchmark uses asyncio
high-level streams, created by the <code>asyncio.start_server()</code> function;
and the <em>protocol</em> benchmark uses <code>loop.create_server()</code> with a simple
echo protocol. Read more about uvloop in a
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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())
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
uvloop is dual-licensed under MIT and Apache 2.0 licenses.
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