By Julia Elman, Mark Lavin
ISBN-10: 149194630X
ISBN-13: 9781491946305
How will you benefit from the Django framework to combine complicated client-side interactions and real-time positive aspects into your internet functions? via a chain of quick software improvement tasks, this hands-on e-book exhibits skilled Django builders find out how to contain leisure APIs, WebSockets, and client-side MVC frameworks comparable to Backbone.js into new or current projects.
Learn the way to utilize Django's decoupled layout through picking out the elements you want to construct the light-weight functions you will want. when you end this booklet, you'll understand how to construct single-page purposes that reply to interactions in genuine time. If you're acquainted with Python and JavaScript, you're strong to go.
•Learn a light-weight procedure for beginning a brand new Django project
•Break reusable purposes into smaller prone that converse with one another
•Create a static, swift prototyping web site as a scaffold for web pages and applications
•Build a leisure API with django-rest-framework
•Learn the best way to use Django with the Backbone.js MVC framework
•Create a single-page internet program on most sensible of your leisure API
•Integrate real-time gains with WebSockets and the twister networking library
•Use the book's code-driven examples on your personal projects
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Extra resources for Lightweight Django
Sample text
With our placeholder view ready, let’s go back and build out our home page view to complete our application. Creating the Home Page View The home page will render a basic HTML template to explain how the project works and include some sample images. Up to this point, Django has not been configured to render templates. It also has not been configured to serve static resources, such as Java‐ Script, CSS, and templates. Let’s add the necessary settings to serve those static resources: TEMPLATES and STATICFILES_DIRS.
Html template to our pages folder to test out our application. py runserver Performing system checks... System check identified no issues (0 silenced). 1:8000/ Quit the server with CONTROL-C. 1:8000 in your browser, you should see the screen shown in Figure 3-2. Figure 3-2. Welcome page You can now easily add as many pages as you like to the pages folder to help build out the prototypes. In the next section, we’ll add some basic styles and layouts as we continue to build out our project. Basic Styling As mentioned earlier, this process is meant to get you started in building out your projects.
Adding Caching The placeholder image view currently regenerates the image and serves it each time the view is requested. Since the width and height of the image are set via the original, we are constantly making unnecessary requests to our server. One way to avoid this repetition is to use caching. There are two options to think about when you’re determining how to utilize caching for this service: server-side and clientside. For server-side caching, you can easily use Django’s cache utilities.