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Django Design Patterns and Best Practices. - Second Edition

You're reading from Django Design Patterns and Best Practices. - Second Edition

Product type Book

Published in May 2018

Publisher Packt

ISBN-13 9781788831345

Pages 282 pages

Edition 2nd Edition

Languages

Concepts

Design Patterns

Author (1):

Arun Ravindran

Table of Contents (21) Chapters

Title Page

Copyright and Credits

PacktPub.com

Contributors

Preface

1. Django and Patterns

2. Application Design

3. Models

4. Views and URLs

5. Templates

6. Admin Interface

7. Forms

8. Working Asynchronously

9. Creating APIs

10. Dealing with Legacy Code

11. Testing and Debugging

12. Security

13. Production-Ready

1. Python 2 Versus Python 3

2. Other Books You May Enjoy

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Index

Structural patterns

This section contains several design patterns that can help you design and structure your models. Structural patterns mentioned here would help you realize the relationships between models more effectively.

Patterns — normalized models

Problem: By design, model instances have duplicated data that causes data inconsistencies.

Solution: Break down your models into smaller models through normalization. Connect these models with logical relationships between them.

Problem details

Imagine if someone designed our post table (omitting certain columns) in the following way:

Superhero Name	Message	Posted on
Captain Temper	Has this posted yet?	2012/07/07 07:15
Professor English	It should be Is not Has.	2012/07/07 07:17
Captain Temper	Has this posted yet?	2012/07/07 07:18
Capt. Temper	Has this posted yet?	2012/07/07 07:19

I hope you noticed the inconsistent superhero names in the first column (and captain's consistent lack of patience).

If we were to look at the first column, we are not sure which spelling...

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Authors (1)

Arun Ravindran

Arun Ravindran is an avid speaker and blogger who has been tinkering with Django since 2007 for projects ranging from intranet applications to social networks. He is a long-time open source enthusiast and Python developer. His articles and screencasts have been invaluable to the rapidly growing Django community. He is currently a developer member of the Django Software Foundation. Arun is also a movie buff and loves graphic novels and comics.

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