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  • Book Overview & Buying Odoo 10 Development Essentials
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Odoo 10 Development Essentials

Odoo 10 Development Essentials

By : Daniel Reis
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Odoo 10 Development Essentials

Odoo 10 Development Essentials

5 (1)
By: Daniel Reis

Overview of this book

Odoo is one of the fastest growing open source, business application development software products available. With announcement of Odoo 10, there are many new features added to Odoo and the face of business applications developed with Odoo has changed. This book will not only teach you how to build and customize business applications with Odoo, but it also covers all the new features that Odoo has to offer. This book is the latest resource on developing and customizing Odoo 10 applications. It comes packed with much more and refined content than its predecessor. It will start with building business applications from scratch and will cover topics such as module extensions, inheritance, working with data, user interfaces, and so on. The book also covers the latest features of Odoo 10, in addition to front end development, testing and debugging techniques. The book will also talk about Odoo Community and Odoo Enterprise.
Table of Contents (14 chapters)
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Relationships between models


Looking again at our module design, we have these relationships:

  • Each Task has a Stage. That's a many-to-one relationship, also known as a foreign key. The inverse is a one-to-many relationship, meaning that each Stage can have many Tasks.
  • Each Task can have many Tags. That's a many-to-many relationship. The inverse relationship, of course, is also a many-to-many, since each Tag can be in many Tasks.

The following Entity Relationship Diagram can help visualizing the relationships we are about to create on the model. The lines ending with a triangle represent a many sides of the relationships:

Let's add the corresponding relationship fields to the to-do tasks in our todo_model.py file:

class TodoTask(models.Model): 
    _inherit = 'todo.task' 
    stage_id = fields.Many2one('todo.task.stage', 'Stage') 
    tag_ids = fields.Many2many('todo.task.tag', string='Tags') 

The preceding code shows the basic syntax of these fields, setting the related...

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