Book Image

Odoo 12 Development Essentials - Fourth Edition

By : Daniel Reis
Book Image

Odoo 12 Development Essentials - Fourth Edition

By: Daniel Reis

Overview of this book

Odoo is one of the best platforms for open source ERP and CRM. Its latest version, Odoo 12, brings with it new features and updates in Python packages to develop more customizable applications with additional cloud capabilities. The book begins by covering the development essentials for building business applications. You will start your journey by learning how to install and configure Odoo, and then transition from having no specific knowledge of Odoo to being ready for application development. You will develop your first Odoo application and understand topics such as models and views. Odoo 12 Development Essentials will also guide you in using server APIs to add business logic, helping you lay a solid foundation for advanced topics. As you progress through the chapters, you will be equipped to build and customize your applications and explore the new features in Odoo 12, such as cloud integration, to scale your business applications. You will get insights into building business logic and integrating various APIs into your application. By the end of the book, you will be able to build a business application from scratch by using the latest version of Odoo.
Table of Contents (22 chapters)
Title Page
Packt Upsell
Foreword
Contributors
Preface
Index

Chapter 4. Extending Modules

One of Odoo's most powerful features is its ability to add features without directly modifying the underlying objects.

This is achieved through inheritance mechanisms, which function as modification layers on top of existing objects. These modifications can happen at every level—Models, Views, and business logic. Instead of directly modifying an existing module, we create a new module so that we can add the intended modifications.

The previous chapter guided us through creating a new app from scratch. In this chapter, we will learn how to create modules that extend existing apps or modules by leveraging existing core or community features.

To achieve this, we will discuss the following topics:

  • In-place Model extension, to add features to existing Models
  • Modifying data records to extend Views, and adding features or modifying data to change data records that have been created by other modules
  • More Model inheritance mechanisms, such as delegation inheritance and mixin...