Odoo is the world's easiest all-in-one management software. It includes hundreds of business apps:
CRM | e-Commerce | Accounting | Inventory | PoS | Project management | MRP | etc.
As my question said, I would like to know if there is a better or an "automatic" way to do this kind of behavior.
Actually I do this in my code :
# When the field has been hidden for some reason my_visible_field = default_value