Intermission: using Twisted to serve Django via wsgi

and now, while on break from our ongoing tutorial (table of contents).

are you tired of starting django and twisted via two separate processes, possibly having them run in two different shells for debugging purposes? i know i am.

fortunately, django and twisted can inter-operate – Django supports the Python wsgi interface, and twisted can be used to serve wsgi applications. this is actually the ideal method for having the two interact with each other (and is the first post in this tutorial that runs 100% counter to my disclaimer)

detailed documentation for this process is available at the twisted documentation site http://twistedmatrix.com/documents/current/web/howto/web-in-60/wsgi.html

give a shot to modifying your current tutorial code to make this work.


there are two components required to properly serve the django portions of this tutorial as wsgi resources:

  • configuring Django to work as twisted wsgi resource
  • serving the static components of django through twisted

this is slightly more complicated than it sounds, since, in newer versions, django dynamically searches through an ordered list of directories when serving its static components. using twisted to mimic that same functionality can take some work. i opted to use a custom directory scanning twisted resource

there aren’t very many decisions to make here; most of the work has to do with reading the documentation, and figuring out how to access the specific, relevant interfaces. if you’re stuck, you can find a clear example here; this basic resource might help, too.

 


tried it? given up? since i’ll be relying on this work when expanding the tutorial, it might be worth your time to see how i did it (and see if it makes sense to you). take a look at this commit/diff to get a list of the specific changes i made – let me know if it makes sense (or if i made a mistake/have a typo)


the git repository for the ongoing chat tutorial has this completed step tagged as v.0.2.1 – if you’ve already cloned the git repo, you can check out a clean version like so:

git checkout v0.2.1

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