A ASGI Server based on Hyper libraries and inspired by Gunicorn.
Hypercorn is an ASGI web server based on the sans-io hyper, h11, h2, and wsproto libraries and inspired by Gunicorn. Hypercorn supports HTTP/1, HTTP/2, WebSockets (over HTTP/1 and HTTP/2), ASGI/2, and ASGI/3 specifications. Hypercorn can utilise asyncio, uvloop, or trio worker types.
Hypercorn can optionally serve the current draft of the HTTP/3 specification using the aioquic library. To enable this install the h3 optional extra, pip install hypercorn[h3] and then choose a quic binding e.g. hypercorn --quic-bind localhost:4433 ....
Hypercorn was initially part of Quart before being separated out into a standalone ASGI server. Hypercorn forked from version 0.5.0 of Quart.
Hypercorn can be installed via pip,
$ pip install hypercorn
and requires Python 3.7.0 or higher.
With hypercorn installed ASGI frameworks (or apps) can be served via Hypercorn via the command line,
$ hypercorn module:app
Alternatively Hypercorn can be used programatically,
import asyncio from hypercorn.config import Config from hypercorn.asyncio import serve from module import app asyncio.run(serve(app, Config()))
learn more (including a Trio example of the above) in the API usage docs.
Hypercorn is developed on GitLab. If you come across an issue, or have a feature request please open an issue. If you want to contribute a fix or the feature-implementation please do (typo fixes welcome), by proposing a merge request.
The best way to test Hypercorn is with Tox,
$ pipenv install tox $ tox
this will check the code style and run the tests.
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