Hypercorn
=========
.. image:: https://assets.gitlab-static.net/pgjones/hypercorn/raw/main/artwork/logo.png
:alt: Hypercorn logo
|Build Status| |docs| |pypi| |http| |python| |license|
Hypercorn is an `ASGI
<https://github.com/django/asgiref/blob/main/specs/asgi.rst>`_ web
server based on the sans-io hyper, `h11
<https://github.com/python-hyper/h11>`_, `h2
<https://github.com/python-hyper/hyper-h2>`_, and `wsproto
<https://github.com/python-hyper/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
<https://github.com/aiortc/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
<https://gitlab.com/pgjones/quart>`_ before being separated out into a
standalone ASGI server. Hypercorn forked from version 0.5.0 of Quart.
Quickstart
----------
Hypercorn can be installed via `pip
<https://docs.python.org/3/installing/index.html>`_,
.. code-block:: console
$ 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,
.. code-block:: console
$ hypercorn module:app
Alternatively Hypercorn can be used programatically,
.. code-block:: python
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
<https://pgjones.gitlab.io/hypercorn/how_to_guides/api_usage.html>`_
docs.
Contributing
------------
Hypercorn is developed on `GitLab
<https://gitlab.com/pgjones/hypercorn>`_. If you come across an issue,
or have a feature request please open an `issue
<https://gitlab.com/pgjones/hypercorn/issues>`_. If you want to
contribute a fix or the feature-implementation please do (typo fixes
welcome), by proposing a `merge request
<https://gitlab.com/pgjones/hypercorn/merge_requests>`_.
Testing
~~~~~~~
The best way to test Hypercorn is with `Tox
<https://tox.readthedocs.io>`_,
.. code-block:: console
$ pipenv install tox
$ tox
this will check the code style and run the tests.
Help
----
The Hypercorn `documentation <https://pgjones.gitlab.io/hypercorn/>`_
is the best place to start, after that try searching stack overflow,
if you still can't find an answer please `open an issue
<https://gitlab.com/pgjones/hypercorn/issues>`_.
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:target: https://gitlab.com/pgjones/hypercorn/commits/main
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.. |pypi| image:: https://img.shields.io/pypi/v/hypercorn.svg
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.. |http| image:: https://img.shields.io/badge/http-1.0,1.1,2-orange.svg
:target: https://en.wikipedia.org/wiki/Hypertext_Transfer_Protocol
.. |python| image:: https://img.shields.io/pypi/pyversions/hypercorn.svg
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