Django 2 by Example

Setting the cart into the request context

Let's create a context processor to set the current cart into the request context. We will be able to access the cart in any template.

Create a new file inside the cart application directory and name it context_processors.py. Context processors can reside anywhere in your code, but creating them here will keep your code well organized. Add the following code to the file:

from .cart import Cartdef cart(request):    return {'cart': Cart(request)}

A context processor is a function that receives the request object as a parameter and returns a dictionary of objects that will be available to all the templates rendered using RequestContext. In our context processor, we instantiate the cart using the request ...