How to preserve some files against the updates?

Question

I made changes in the FormView of res.partner.form and it works like I want.
After that, I updated modules from launchpad and the changes was gone!
How can I update modules without loss the changes I made? I must redo it again every time?
I know now that the file XML where is stored the form also can be 'updated' but I'm sure it must be a way to work with no pain.
All the changes I made only add 'attrs' ( required and visible ) to some fields to make it required or not and visible or not if is_c

Pablo Manuel Rizzo · Answer

Miguel, you should never change an OpenERP source file, you should develop a custom module which inherits and modify the view.

This post is rather old but a simple valid example: https://simahawk.wordpress.com/2010/10/04/openerp-how-to-add-a-custom-field-to-an-object/ [1]

Best regards.

[1] https://simahawk.wordpress.com/2010/10/04/openerp-how-to-add-a-custom-field-to-an-object/

Andreas Brueckl · Answer

If you do not want to write a module for that you can create a new view which inherits the original view.

Here is an example of the XML architecture of a new view if you want to change the field standard_price in product.product:

               <field name="standard_price" position="replace">
                   <field name="standard_price" invisible="1"/>
               </field>

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