You can create all type of records from XML files, but sometimes it is difficult to generate data that includes some business logic. You might want to modify records when a user installs a dependent module in production. For example, let's say you want to create a module to display books online. The my_library module already has an image-cover field. Imagine that, in the new module, you implemented logic to reduce the size of the image and stored it in the new thumbnail field. Now, when the user installs this module, they might already have books and images. It is not possible to generate thumbnails from the <record> tags in the XML file. In this case, you can invoke the model method through the <function> tag.

Odoo 12 Development Cookbook
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Odoo 12 Development Cookbook
By:
Overview of this book
Odoo is a powerful framework known for rapid application development. Its latest release, Odoo 12, introduces tons of new features. With this book, you’ll learn how to develop powerful Odoo applications from scratch, using all the latest features.
This Odoo cookbook starts by covering Odoo installation and deployment on the server. Next, you’ll explore the Odoo framework with real-world examples. You’ll create a new Odoo module from the ground up and progress to advanced framework concepts. You’ll also learn how to modify existing applications, including Point of Sale (POS). This book is not just limited to backend development; the advanced JavaScript recipes for creating new views and widgets will help you build beautiful UI elements. As you move forward, you’ll gain insights into website development and become a quality Odoo developer by studying performance optimization, debugging, and automated tests. Finally, you’ll learn the latest concepts like multi-website, In-App Purchasing (IAP), Odoo.sh, and IoT Box.
By the end of the book, you’ll have all the knowledge you need to build powerful Odoo applications. The development best practices used in this book will undoubtedly come handy when you are working with the Odoo framework.
Table of Contents (26 chapters)
Preface
Installing the Odoo Development Environment
Managing Odoo Server Instances
Server Deployment
Creating Odoo Add-On Modules
Application Models
Basic Server-Side Development
Module Data
Debugging
Advanced Server-Side Development Techniques
Backend Views
Access Security
Internationalization
Automation, Workflows, and Printouts
Web Server Development
CMS Website Development
Web Client Development
In-App Purchasing with Odoo
Automated Test Cases
Managing, Deploying, and Testing with Odoo.sh
Remote Procedure Calls in Odoo
Performance Optimization
Point of Sale
Manage Emails in Odoo
IoT Box
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