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Django on JythonChris McAvoy & Matt Dorn

DjangoConSeptember 10th, 2009

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Who are we?

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The Goal

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Some History

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Why?

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Maturity

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“Rails Needs to Mature” From my notes Dave Thomas’ Keynote at

Railsconf 2006

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“It turns out that writing the app is now the easy part; managing the rest of the stack you need for successful deployment can be nearly

impossible. In other words, we’re all ops people now.” Jacob Kaplan Moss - Sept 4th 2009

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“We’re growing, but we’re not mainstream” Ted, 15

minutes ago

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“Reign in the Cowboy” Simon Willison - Tuesday

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The Market

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root

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Our Project

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How?

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Pieces✴ Jython 2.5.0

✴ django-jython

‣ Provides support for Postgres & Sqlite3

‣ Build WAR files

‣ pip install django-jython

✴ zxJDBC

✴ Modjy

‣ Implements WSGI

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Dev Environment

✴ Install Jython

✴ Install setuptools & virtualenv

✴ Create virtualenv

✴ Install pip

✴ Install Django 1.1

✴ Install and patch django-jython

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Quirk Matrix

Django 1.0.x Django 1.1

Jython 2.5 Delete settings$py.class

Patch django-jython Postgres backend

✴ http://bit.ly/django-jython-fix

Jython 2.5rc1 Delete settings$py.class

Patch django-jython Postgres backend

✴ http://bit.ly/django-jython-fix

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✴ http://bit.ly/django-jython-fix

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No CWhich means, no PIL, which means no models.ImageField

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Questions?✴ http://www.psclistens.com

✴ Chris McAvoy

‣ cmcavoy@psclistens.com

‣ http://lonelylion.com

‣ @cmcavoy (mostly about kites and toddlers)

✴ Matt Dorn

‣ mdorn@psclistens.com

‣ http://mattdorn.com

‣ @mattdorn (but really, he’s a twitter-hater)