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it's possible to add html widget in a tree view field?? like we add html widget in the form view fields. and it's work properly but when we add it in tree view no effect are visible, nothing happen

please help..

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In Odoo 16.0, a not perfect solution in Python + XML could be as follow, if one consider a native Odoo fields description = fields.Html().

Notice any HTML done from native description field will be lost if some edit the description from description_text field. In the other way, meaning modification of description field renders HTML tag with some added character (e.g. <strong>hello</strong> is replaced by *hello*). 

Python :

from odoo.tools import html2plaintext, plaintext2html

@api.depends('description')

def _compute_description_text(self):

    for task in self:

        task.description_text = html2plaintext(task.description)

def _inverse_description_text(self):

    for task in self:

        task.description = plaintext2html(task.description_text)

In the XML view:

<field name="description" position="replace">

​<field name="description_text" />

</field>

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