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Discover how to easily implement pagination in Django's TemplateView, even when you aren't using a queryset. Learn step-by-step with our guide!
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This video is based on the question https://stackoverflow.com/q/64890126/ asked by the user 'Aditi Singh' ( https://stackoverflow.com/u/9592666/ ) and on the answer https://stackoverflow.com/a/64891107/ provided by the user 'Haris M E' ( https://stackoverflow.com/u/5205375/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Implementing Pagination in Django's TemplateView

Pagination is an essential feature in web applications that allows users to navigate through large sets of data conveniently. In this guide, we will explore how to implement pagination using Django's TemplateView, especially when you do not have a queryset to work with. This is common when pulling data from an external API or when the data structure doesn't involve Django models.

Understanding the Problem

When working with Django views, you may often prefer using the TemplateView for rendering templates. However, this can become tricky when you want to paginate content, especially if your data does not come from a Django model. So how can you achieve pagination with TemplateView?

In our example, we have a classView which extends TemplateView to list out networks fetched from an external API. We can't use ListView since it relies on querysets, and in this case, we just have a list of data (networks).

Step-by-Step Solution

To implement pagination with TemplateView, follow these steps:

1. Set Up the View

First, we'll define our view class, and in it, specify the template_name and create a get_context_data() method.

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2. Implement Pagination Logic

In the get_context_data() method, you can implement the pagination logic. Here’s how to do it:

Define Page Size and Create Paginator

You will need to import the Paginator from Django’s core and set up the paginator within the get_context_data() method.

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3. Update the Template for Display

After setting up the view, the next step is to update the HTML template to display the paginated content and navigation links.

Here’s an example of how to show the pagination controls in your view_network.html:

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Conclusion

By following the steps outlined above, you can successfully implement pagination within Django's TemplateView, even in scenarios where you are not making use of models or querysets. This approach not only simplifies the display of large datasets but also enhances user experience by making navigation seamless.

Don't forget to test your implementation and ensure that your pagination controls behave as expected!