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AJAX utility functions for Django

Project Description

AJAX utility functions for Django that can be accessed via a single URL (ala WordPress admin-ajax.php)

About Bambu AJAX

Bambu AJAX lets you write utility functions for your Django apps that can be called via AJAX, without having to specify a separate URL pattern and view for each one.

About Bambu Tools 2.0

This is part of a toolset called Bambu Tools. It’s being moved from a namespace of bambu to its own ‘root-level’ package, along with all the other tools in the set. If you’re upgrading from a version prior to 2.0, please make sure to update your code to use bambu_ajax rather than bambu.ajax.

Installation

Install the package via Pip:

pip install bambu-ajax

Add it to your INSTALLED_APPS list:

INSTALLED_APPS = (
    ...
    'bambu_ajax'
)

Add bambu_ajax.urls to your URLconf:

urlpatterns = patterns('',
    ...
    url(r'^ajax/', include('bambu_ajax.urls')),
)

Basic usage

Create a file called ajax.php within your Django app, and import the necessary module from the bambu-ajax package, like so:

from bambu_ajax import site

@site.register
def my_ajax_function(request):
    return [
        'a', 'list', 'of', 'things'
    ]

Using the site.register decorator registers your AJAX function with the bambu_ajax view.

To leverage this function from within a Django template, use the ajaxurl template tag, like so:

{% load ajax %}
<script>
    $.getJSON('{% ajaxurl 'my_project.my_app.my_ajax_function' %}&callback=?',
        function(data) {
            console.log(data);
        }
    );
</script>

Here, my_project should refer to the name of your Django project, my_app should be the name of the app you put your ajax.py file in, and my_ajax_function is the name of the function you defined within ajax.py.

The notation is similar to that used when referring to Django models, in that you always skip the common portion ajax from the naming convention.

Shortcut

Make your life easier by including the utility library in your template:

<script src="{% url 'ajax_utility' %}"></script>
<script>
    bambu.ajax.get('my_project.my_app.my_ajax_function',
        function(data) {
            console.log(data);
        }
    );
</script>

This achieves the same result, but in a much cleaner way.

Dynamically updating page content

As well as returning JSON-serialisable data per the examples above, you can also use AJAX functions just like views, in that they can return an HttpResponse object.

Using that method, the example above would print out the HTML (or other data) returned in the HTTP response.

Additional decorators

You can of course add other decorators, just as you would with normal views.

Todo

  • Add a dedicated login_required decorator that returns a more helpful response for anonymous users
  • Look into integrating this with Plunja, my dynamic JavaScript templating library.

Questions or suggestions?

Find me on Twitter (@iamsteadman) or visit my blog.

Release History

Release History

This version
History Node

2.0

History Node

0.1

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
bambu-ajax-2.0.tar.gz (5.2 kB) Copy SHA256 Checksum SHA256 Source May 3, 2014

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