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Backbone.js + Django

Talk given by Leah Culver from Convore, PyCodeConf 2011

Outline

  • Intro
    • Works at convore
    • Worked on a app for Django Dash 2009 called Leafy Chat
    • Screenshot for web app that uses IRC
    • Grove - IRC for your company
  • Chat UIs compared
    • Leafy Chat - pure Javascript
      • Minimal library usage - jQuery only
      • Message send - includes HTML in the JS
      • Four steps for message submission
        • Handle form submit
        • Create new message
        • Display message in List
        • POST message via AJAX
    • Grove - using backbone
      • Same interface - better code
      • Based on backbone.js
      • Provides MVC for your JS
  • Tips
    • When using Backbone, need to be careful about stomping on your Django templating
    • include_raw is helpful
    • Sync: default AJAX behaviors by specifying in your models a specific URL
    • Backbone always POSTs as JSON data - decode in Django with simplejson
    • Events: you can bind functions to any event (e.g. Model change, message added, etc)
    • Router: pretty cool because they support push state, can add function for these events

Questions

  • What was the ratio of JS to Django code in Grove?
    • One Django view - 10x that in JS
  • Does it bother you as a Django developer that your app is now a JS app
    • I think this is the way things are going in the future. There is a trend that they will be a little more realtime.

References