Using Non-ORM data sources with Tastypie in Django

Source: http://www.inquisitr.com/183142/state-department-to-reject-keystone-xl-pipeline-reroute/

Recently, I’ve worked with Tastypie which is my first introduction to tastypie. Tastypie itself is wonderful and very easy to work. However, my first catch was that I’ve to use it in a scenario where data source is not django’s ORM. My goal is to expose some API endpoints but the data will come from some other external API. Confusing? Let’s discuss about the implementation not about the wisdom of use cases. If you do not have introduction to the Tastypie, please have a look at their documentation.

Generally, when we create a Tastypie resource, our class inherits ModelResource. ModelResource is actually provides django’s ORM specific accesses as the resource is created on top of Django models. The fact is that, ModelResource is a thin wrapper on top of it’s Resource class and overrides few methods. If we want to use our custom data sources, we will have to override some methods of this Resource class based on our requirements. The methods we have to override are:

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