cogen is a crossplatform library for network oriented, coroutine based programming using the enhanced generators from python 2.5. The project aims to provide a simple straightforward programming model similar to threads but without all the problems and costs.

Features

• wsgi server with coroutine extensions - enabling asynchronous wsgi apps in a regular wsgi stack
• fast network multiplexing with epoll, kqueue, select, poll or io completion ports (on windows)
• epoll/kqueue support via the wrappers in the python 2.6's stdlib or separate modules py-kqueue, py-epoll
• iocp support via ctypes wrappers or pywin32
• sendfile/TransmitFile support (the wsgi server also uses this for wsgi.file_wrapper)
• timeouts for socket calls, signal waits etc
• various mechanisms to work with (signals, joins, a Queue with the same features as the stdlib one) and some other stuff you can find in the docs :)

Documentation

Docs are available at:

• 0.2.1: http://cogen.googlecode.com/svn/tags/0.2.1/docs/build/index.html
• 0.2.0: http://cogen.googlecode.com/svn/tags/0.2.0/docs/build/index.html
• 0.1.9: http://cogen.googlecode.com/svn/tags/0.1.9/docs/cogen.html
• 0.1.8: http://cogen.googlecode.com/svn/tags/0.1.8/docs/cogen.html

Download

cogen is available for download at PYPI:

http://pypi.python.org/pypi/cogen/

easy_install cogen

But the code in trunk is usually the best code.

Development

Latest and Greatest.

Subversion access:

svn co http://cogen.googlecode.com/svn/trunk/ cogen

Also, you can use easy_install to install a development snapshot from svn:

easy_install cogen==dev

You can run the test suite with: python setup.py test

Similar projects

• multitask - http://o2s.csail.mit.edu/o2s-wiki/multitask
• chiral - http://chiral.j4cbo.com/trac
• eventlet - http://wiki.secondlife.com/wiki/Eventlet
• spawning wsgi server (based on eventlet) - http://pypi.python.org/pypi/Spawning
• asynwsgi - http://trac.wiretooth.com/public/wiki
• friendlyflow - http://code.google.com/p/friendlyflow
• weightless - http://weightless.io/weightless
• fibra - http://code.google.com/p/fibra/
• concurrence - http://code.google.com/p/concurrence/
• circuits.web - http://trac.softcircuit.com.au/circuits/
• diesel - http://dieselweb.org/lib/

Plug