Thanks for your answer, but I don't really understand the "your-attribute-query-name" part. To give an example with a standard attribute, you mean in the case of the "color" attribute the correct code would be <t t-esc="color.product_template_attribute_value_ids.name" class=""/>

I tryied it but it doesn't work, in my particular case I get the following error:

QWebException: "'NoneType' object has no attribute 'product_template_attribute_value_ids'" while evaluating 'color.product_template_attribute_value_ids.name'

In fact, first in the .py file under controller folder I have a request

produits=request.env['product.template'].search([('is_published','=',True),('qty_available','>',0)],0,200,'id desc ')

In the xml file :

<t t-foreach="produits" t-as="toto"> <= this "connect" with the request in .py file.

<t t-set="attribute" t-value="toto.product_variant_ids" /> <= this make a "query" of attribute aka variants note the name 'toto' that make "link"

<t t-foreach="attribute" t-as="tutu"> <= this connect with the "attribute" request

and then :

<t t-esc="tutu.product_template_attribute_value_ids.name" class=""/> <= this show each attribute name resulting from tutu

So you can replace Tutu and toto by your query name's :)

<of course, remove my explanations begining by <= :-D)

Hope its help

That's usefull! Thanks, I was trying to modifify the price_list view, but I will try to develop an addon with your info.

With pleasure !!

I've been helped, my turn to help ;-)

Excuseme folk, can you tell how you have defined the class and the function at the py controller?

with odoo.sh or if your run odoo locally

But perhaps you can simply try to use :

p.get ['attribute_value_ids.name’] in code in place of .value

No way to make it work, I will contact somebody to do the work. Thank you any way ;)