Flask Framework Cookbook - Second Edition

How to do it...

To write a custom context processor, follow the required steps.

Let's first display the descriptive name of the product in the format Category / Product-name. Afterwards, add the method to my_app/product/views.py, as follows:

@product_blueprint.context_processordef product_name_processor(): 
    def full_name(product): 
        return '{0} / {1}'.format(product['category'],            product['name']) 
    return {'full_name': full_name} 

A context is simply a dictionary that can be modified to add or remove values. Any method decorated with @product_blueprint.context_processor should return a dictionary that updates the actual context. We can use the preceding context processor as follows:

{{ full_name(product) }} 

We can add the preceding code to our ...