Lets Start Odoo Module Development

Odoo is one of the most powerful open-source business management platforms available today. With its modular architecture, businesses can tailor Odoo to fit their unique needs, whether it's through building a custom module from scratch or tweaking existing features. In this blog, we’ll explore what Odoo module development and customisation  are all about, and how they can help your business thrive.

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What Is an Odoo Module?

An Odoo module is a collection of files and logic that extends the core functionality of the platform. Modules can add new features, automate business workflows, or modify how existing components behave. Everything from Sales and Inventory to Accounting and CRM in Odoo is built on modules.

Modules are organised  and installed like plugins. You can use official Odoo apps, community modules, or develop your own based on your business logic.

Why Customise  Odoo?

Every business has unique processes. While Odoo is highly configurable out of the box, sometimes the default options may not fully align with specific operational requirements. That’s where customisation  comes in.

Here are some common reasons to customise  Odoo:

• Add new business fields or logic
• Modify existing workflows (e.g., purchase approval chains)
• Integrate with external systems (e.g., payment gateways, CRMs)
• Change reports or UI elements
• Enhance user experience with automation

Developing a Custom Odoo Module: The Basics

Creating a module in Odoo typically involves Python, XML, and occasionally JavaScript or QWeb for frontend components. Here are the core steps:

1. Set Up Your Development Environment

Start with a development-friendly environment using tools like Docker or a local Odoo install. Make sure you have PostgreSQL, Python (version aligned with your Odoo version), and dependencies installed.

2. Create a New Module Structure

Use the Odoo scaffold command:

odoo-bin scaffold my_custom_module addons/

This generates a boilerplate module you can start editing.

3. Define Models and Fields

Create or extend models using Python. For example:

class CustomModel(models.Model):
    _name = 'custom.model'
    name = fields.Char(string="Name")

4. Design Views and Menus

Use XML to build form views, tree views, and add menus:

<record id="view_custom_form" model="ir.ui.view">
    <field name="model">custom.model</field>
    <field name="arch" type="xml">
        <form>
            <field name="name"/>
        </form>
    </field>
</record>

5. Add Access Rights

Define security rules and access controls using CSV files.

6. Test and Deploy

Use Odoo’s logging and testing tools to ensure stability. Once tested, your module can be installed from the Odoo interface or loaded automatically.