How to change field attributes via extending it

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How to change field attributes via extending it

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fields attributes extend

Tom

Hi Experts,

Purpose: Intend to hide the "sale price" when a product is not marked as "can be sold" under the product "general information" tab.

Version: 10 CE

Found this original field from product_views.xml:

<field name="list_price" widget='monetary' options="{'currency_field': 'currency_id'}"/>

I wrote this:

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

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

<attrs name='invisible'>{[('sale_ok','=',False)]}</attrs>

<attrs name='widget'>{'monetary'}</attrs>

<attrs name='options'>{'currency_field': 'currency_id'}</attrs>

</field>

</group>

</field>

</record>

It did not work, any idea?

p/s: I always have this doubt, if I extend a field with the purpose to override one intended attribute only, I still need to include all other original attributes so they are all retained, right?

Thank you!

Tom

Fatih Piristine

use xpath to find the field you want to modify, then your code will work. you don't need to rewrite all attributes in your extension. only the ones you need to modify. otherwise you will mess with other things.

<attribute name=" ... "> ... value here ... </attribute>

</xpath>

Sunny Sheth

Best Answer

Hello Tom,

try this.

<xpath expr="//field[@name='list_price']" position="attributes">
      <attribute name="attrs">{'invisible':[('sale_ok','=', False)]}</attribute>
</xpath>

or 

<xpath expr="//field[@name='list_price']" position="attributes">
      <attribute name="attrs">{'invisible':[('sale_ok','!=', True)]}</attribute>
</xpath>

zmirli

Extending the schema refers to adding elements to the schema, usually object classes and attributes. The default schema comes with many object classes and attributes that are ready to be used for entries. Before you extend the schema, see if there are existing elements in the default schema that you might use instead of extending the schema. For example, if you need an additional attribute for the dominoPerson object class, evaluate if you can use an attribute already defined for dominoPerson.

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Smith Clarkson

You can extend the schema by adding forms, subforms, and fields to the Domino Directory. This method allows Notes and Web users to create and view entries that use the new schema elements as documents, while also enabling LDAP user access to the entries. This method is more time consuming than using the Schema database, and must be done carefully to avoid mistakes in schema definition.

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Lions Gate

You don't need to recreate all field attributes again with the new API:

from odoo import models, fields class SaleOrder(models.Model): _inherit = "sale.order" website_description = fields.Html(translate=False)

That should be enough.

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