Product Code/Name Generator in odoo :-

Navigate to Inventory > Configuration > Product Categories.

In category, you can add the Code which will be displayed in product Internal Reference.

User can Set all configuration as per need.

An Attribute Section would be visible in category form view from where you can add attributes you need to show in Product Code/Name which resides in specific category.

Along with attribute you can set either to display attribute in name or code or viceversa.

There is also a sequence in attribute lines from which you can provide sequence in which order the code/name has to be added to product internal reference.

Attributes Configuration :-

Navigate to Sales > Configuration > Attributes.

Create new Attributes form here.

Set Attribute name and add attribute values as per your need.

In Attribute values you can set attribute code that will be shown in Internal Reference of the product.

Product Configuration :-

When you create new product add particular category whose code is needed for generation of internal reference.

Add Attribute and Variant Configuration.

In Product list when you select products and click on "GENERATE PRODUCT CODE" Your product code will be Generated

Add variants for multi variants products.

Navigate to product > Product variant

Select product variants and "GENERATE PRODUCT CODE" it will generate code for all variants