Hi Experts,

  While I thought I had nailed it by extending the field and view in product.template by writing a module, I could not figured out why the change was not reflected when making operation under the inventory module.

Version used: 10 CE

What I did - Wrote an custom addons module as below: model.py

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     # -*- coding: utf-8 -*-

from odoo import fields, models, api, exceptions

class EditProductTemplate(models.Model):

    _name = 'product.template'

    _inherit = ['product.template']

# add new fields

    car_brand = fields.Char('Brand',store=True,index=True,track_visibility="on_change")

    car_color = fields.Char('Color',store=True) 

    luxury = fields.Boolean('Luxury Car?', default=False,help="Specify if the product is newfield003.")

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And the related abstract from views.xml:

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<record id= "product_template_form_view_inherited" model= "ir.ui.view">

        <field name="inherit_id" ref="product.product_template_only_form_view"/>

        <field name="model">product.template</field>

        <field name="arch" type= "xml">

              <field name="barcode" position="attributes">

                          <attribute name="invisible">1</attribute>

              </field>

              <field name ="type" position="after">

                <field name="luxury"/>

              </field>

          <field name="categ_id" position="after">

                  <field name="car_brand" attrs="{'invisible': ['|',('type', '!=', 'product'),('luxury, '=', False)],'required': [('type', '=', 'product'),('luxury', '=', True)]}"/>

              </field> 

            </field>

          </record>

<record id= "view_template_property_form_inherited" model= "ir.ui.view">

       <field name="inherit_id" ref="stock.view_template_property_form" />

       <field name="model">product.template</field >

       <field name="arch" type= "xml">

           <group name="group_lots_and_weight">

              <field name="car_color"/>

           </group>

       </field>

     </record>

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What I had observed:

1. Click on "products" menu item to either create or view ( under sales, inventory, manufacturing, etc)

2. Launch the products form > look under the "general information" tab.

- The barcode is hidden from the form (Great!)

- New boolean "luxury?" appeared below the "Product Type"

- select product type as "stockable" AND mark the "luxury".

- the "car_brand" field column appeared due to fulfilled conditions (above)! (so far so good ;) 

Look under the "inventory" tab:

- yes, the "car_color" is added.  (Great!)

But wait,  what i also observed:

- if i click on "inventory > operations > all transfers > click create

- Then attempt to add a product:  product >click "add an item" > dropdown then click "create and edit"

- a form popup ---  No!! The barcode is still there, the "luxury" and "car_brand" were not.  

( I attempted to figure out whether this is indeed a different form, but I could not resolve it because I was not able to use the debug "edit formview" in this case .  I tried delete & recreated the db, installed modules at different orders, moved my fields under different sequence in the module.py and xml, etc)

- And by the way, the "car_color" is OK in the latter case.  It worked.

Any help, please....  

Thanks in advance!

Tom