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Flask Framework Cookbook

You're reading from   Flask Framework Cookbook Over 80 proven recipes and techniques for Python web development with Flask

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Product type Paperback
Published in Jul 2019
Publisher
ISBN-13 9781789951295
Length 302 pages
Edition 2nd Edition
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Author (1):
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Shalabh Aggarwal Shalabh Aggarwal
Author Profile Icon Shalabh Aggarwal
Shalabh Aggarwal
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Table of Contents (15) Chapters Close

Preface 1. Flask Configurations 2. Templating with Jinja2 FREE CHAPTER 3. Data Modeling in Flask 4. Working with Views 5. Webforms with WTForms 6. Authenticating in Flask 7. RESTful API Building 8. Admin Interface for Flask Apps 9. Internationalization and Localization 10. Debugging, Error Handling, and Testing 11. Deployment and Post-Deployment 12. Microservices and Containers 13. Other Tips and Tricks 14. Other Books You May Enjoy

Creating a common forms set

An application can have loads of forms, depending on the design and purpose. Many of these forms will have common fields with common validators. Many of us may think: Why not have common forms parts and then reuse them as and when needed? In this recipe, we will see that this is certainly possible with the class structure for forms' definition provided by WTForms.

How to do it...

In our catalog application, we can have two forms, one each for the Product and Category models. These forms will have a common field called Name. We can create a common form for this field, and then the separate forms for the Product and Category models can use this form, instead of having a Name field in each of...

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