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Hands-On RESTful Python Web Services

You're reading from   Hands-On RESTful Python Web Services Develop RESTful web services or APIs with modern Python 3.7

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Product type Paperback
Published in Dec 2018
Publisher
ISBN-13 9781789532227
Length 500 pages
Edition 2nd Edition
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Author (1):
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Gaston C. Hillar Gaston C. Hillar
Author Profile Icon Gaston C. Hillar
Gaston C. Hillar
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Table of Contents (14) Chapters Close

Preface 1. Developing RESTful APIs and Microservices with Flask 1.0.2 FREE CHAPTER 2. Working with Models, SQLAlchemy, and Hyperlinked APIs in Flask 3. Improving Our API and Adding Authentication to it with Flask 4. Testing and Deploying an API in a Microservice with Flask 5. Developing RESTful APIs with Django 2.1 6. Working with Class-Based Views and Hyperlinked APIs in Django 2.1 7. Improving Our API and Adding Authentication to it with Django 8. Throttling, Filtering, Testing, and Deploying an API with Django 2.1 9. Developing RESTful APIs with Pyramid 1.10 10. Developing RESTful APIs with Tornado 5.1.1 11. Working with Asynchronous Code, Testing, and Deploying an API with Tornado 12. Assessment 13. Other Books You May Enjoy

Customizing pagination classes


The rest_framework.pagination.LimitOffsetPagination class that we are using to provide paginated responses declares a max_limit class attribute that defaults to None. This attribute allows us to indicate the maximum allowable limit that can be specified by using the limit query parameter. With the default setting, there is no limit, and we will be able to process requests that specify a value for 1000000 for the limit query parameter.

We definitely don't want our API to be able to generate a response with a million player scores or players with a single request. Unluckily, there is no configuration setting that allows us to change the value that the class assigns to the max_limit class attribute. Thus, we are forced to create our customized version of the limit/offset pagination style provided by Django REST Framework.

 

 

Create a new Python file named max_limit_pagination.py within the games_service/games folder and enter the following code that declares the...

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