Odoo18-Base/addons/product/views/product_attribute_views.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <record id="attribute_tree_view" model="ir.ui.view">
        <field name="name">product.attribute.tree</field>
        <field name="model">product.attribute</field>
        <field name="arch" type="xml">
            <tree string="Variant Values" default_order="sequence, id">
                <field name="sequence" widget="handle"/>
                <field name="name"/>
                <field name="display_type"/>
                <field name="create_variant"/>
            </tree>
        </field>
    </record>

    <record id="product_attribute_view_form" model="ir.ui.view">
        <field name="name">product.attribute.form</field>
        <field name="model">product.attribute</field>
        <field name="arch" type="xml">
            <form string="Product Attribute">
            <field name="number_related_products" invisible="1"/>
            <sheet>
                <div class="oe_button_box" name="button_box">
                    <button class="oe_stat_button" name="action_open_related_products"
                            type="object" icon="fa-bars"
                            attrs="{'invisible': [('number_related_products', '=', [])]}">
                        <div class="o_stat_info">
                            <span class="o_stat_value"><field name="number_related_products"/></span>
                            <span class="o_stat_text">Related Products</span>
                        </div>
                    </button>
                </div>
                <group name="main_fields" class="o_label_nowrap">
                    <label for="name" string="Attribute Name"/>
                    <field name="name" nolabel="1"/>
                    <field name="display_type" widget="radio"/>
                    <field name="create_variant" widget="radio" attrs="{'readonly': [('number_related_products', '!=', 0)]}"/>
                </group>
                <notebook>
                    <page string="Attribute Values" name="attribute_values">
                        <field name="value_ids" widget="one2many" nolabel="1">
                            <tree string="Values" editable="bottom">
                                <field name="sequence" widget="handle"/>
                                <field name="name"/>
                                <field name="display_type" invisible="1"/>
                                <field name="is_custom" groups="product.group_product_variant"/>
                                <field name="html_color" attrs="{'column_invisible': [('parent.display_type', '!=', 'color')]}" widget="color"/>
                            </tree>
                        </field>
                    </page>
                </notebook>
            </sheet>
            </form>
        </field>
    </record>

    <record id="attribute_action" model="ir.actions.act_window">
        <field name="name">Attributes</field>
        <field name="type">ir.actions.act_window</field>
        <field name="res_model">product.attribute</field>
        <field name="view_mode">tree,form</field>
    </record>

    <record id="product_template_attribute_line_form" model="ir.ui.view">
        <field name="name">product.template.attribute.line.form</field>
        <field name="model">product.template.attribute.line</field>
        <field name="mode">primary</field>
        <field name="priority" eval="8"/>
        <field name="arch" type="xml">
            <form string="Product Attribute and Values">
                <group name="main_field">
                    <label for="attribute_id" string="Attribute Name"/>
                    <field name="attribute_id" nolabel="1"/>
                    <field name="value_ids" widget="one2many">
                        <tree string="Values">
                            <field name="name"/>
                            <field name="html_color"/>
                        </tree>
                        <form string="Values">
                            <field name="name"/>
                        </form>
                    </field>
                </group>
            </form>
        </field>
    </record>

    <record id="product_template_attribute_value_view_tree" model="ir.ui.view">
        <field name="name">product.template.attribute.value.view.tree</field>
        <field name="model">product.template.attribute.value</field>
        <field name="type">tree</field>
        <field name="arch" type="xml">
            <tree string="Attributes" create="0" delete="0">
                <field name="attribute_id" optional="hide"/>
                <field name="name"/>
                <field name="display_type" optional="hide"/>
                <field name="html_color" attrs="{'invisible': [('display_type', '!=', 'color')]}" widget="color"/>
                <field name="ptav_active" optional="hide"/>
                <field name="price_extra" widget="monetary" options="{'field_digits': True}"/>
                <field name="currency_id" invisible="1"/>
            </tree>
        </field>
    </record>

    <record id="product_template_attribute_value_view_form" model="ir.ui.view">
        <field name="name">product.template.attribute.value.view.form.</field>
        <field name="model">product.template.attribute.value</field>
        <field name="type">form</field>
        <field name="arch" type="xml">
            <form string="Product Attribute" create="0" delete="0">
                <sheet>
                    <group>
                        <field name="ptav_active" readonly="1" attrs="{'invisible': [('ptav_active', '=', True)]}"/>
                        <field name="name"/>
                        <field name="display_type" invisible="1"/>
                        <field name="html_color" attrs="{'invisible': [('display_type', '!=', 'color')]}"/>
                        <field name="price_extra" widget="monetary" options="{'field_digits': True}"/>
                        <field name="currency_id" invisible="1"/>
                        <field name="exclude_for" widget="one2many" mode="tree">
                            <tree editable="bottom">
                                <field name="product_tmpl_id" />
                                <field name="value_ids" widget="many2many_tags" options="{'no_create': True}" />
                            </tree>
                        </field>
                    </group>
                </sheet>
            </form>
        </field>
    </record>

    <record id="product_template_attribute_value_view_search" model="ir.ui.view">
        <field name="model">product.template.attribute.value</field>
        <field name="arch" type="xml">
            <search>
                <field name="name"/>
                <filter string="Active" name="active" domain="[('ptav_active', '=', True)]"/>
                <filter string="Inactive" name="inactive" domain="[('ptav_active', '=', False)]"/>
            </search>
        </field>
    </record>

</odoo>