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https://github.com/jonashaag/bjoern

A screamingly fast Python 2/3 WSGI server written in C.
https://github.com/jonashaag/bjoern

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A screamingly fast Python 2/3 WSGI server written in C.

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bjoern: Fast And Ultra-Lightweight HTTP/1.1 WSGI Server
=======================================================

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A screamingly fast, ultra-lightweight WSGI_ server for CPython 2 and CPython 3,
written in C using Marc Lehmann's high performance libev_ event loop and
Ryan Dahl's http-parser_.

Why It's Cool
~~~~~~~~~~~~~
bjoern is the *fastest*, *smallest* and *most lightweight* WSGI server out there,
featuring

* ~ 1000 lines of C code
* Memory footprint ~ 600KB
* Python 2 and Python 3 support (thanks @yanghao!)
* Single-threaded and without coroutines or other crap
* Can bind to TCP `host:port` addresses and Unix sockets (thanks @k3d3!)
* Full persistent connection ("*keep-alive*") support in both HTTP/1.0 and 1.1,
including support for HTTP/1.1 chunked responses

Installation
~~~~~~~~~~~~
``pip install bjoern``. See `wiki `_ for details.

Usage
~~~~~

Flask example
-------------

.. code-block:: python

from flask import Flask

app = Flask(__name__)

@app.route("/")
def hello_world():
return "Hello, World!"

if __name__ == "__main__":
import bjoern

bjoern.run(app, "127.0.0.1", 8000)

Advanced usage
--------------

.. code-block:: python

# Bind to TCP host/port pair:
bjoern.run(wsgi_application, host, port)

# TCP host/port pair, enabling SO_REUSEPORT if available.
bjoern.run(wsgi_application, host, port, reuse_port=True)

# Bind to Unix socket:
bjoern.run(wsgi_application, 'unix:/path/to/socket')

# Bind to abstract Unix socket: (Linux only)
bjoern.run(wsgi_application, 'unix:@socket_name')

# Enable statsd metrics. See instrumentation.md for details.
bjoern.run(wsgi_application, host, port, statsd=...)

Alternatively, the mainloop can be run separately:

.. code-block:: python

bjoern.listen(wsgi_application, host, port)
bjoern.run()

# With metrics. See instrumentation.md for details.
bjoern.listen(wsgi_application, host, port)
bjoern.run(statsd=...)

You can also simply pass a Python socket(-like) object. Note that you are responsible
for initializing and cleaning up the socket in that case.

.. code-block:: python

bjoern.server_run(socket_object, wsgi_application)
bjoern.server_run(filedescriptor_as_integer, wsgi_application)

# This needs manual compilation with `WANT_STATSD=yes`
bjoern.server_run(socket_object, wsgi_application, enable_statsd=True)

.. _WSGI: http://www.python.org/dev/peps/pep-0333/
.. _libev: http://software.schmorp.de/pkg/libev.html
.. _http-parser: https://github.com/joyent/http-parser