web/web_widget_date_interval/demo/res_users.xml

<?xml version="1.0" encoding="UTF-8"?>
<odoo>
    <record id="view_users_search" model="ir.ui.view">
        <field name="model">res.users</field>
        <field name="inherit_id" ref="base.view_users_search" />
        <field name="arch" type="xml">
            <xpath expr="." position="inside">
                <field name="login_date" widget="date_interval" options="{'type': 'iso_week', 'dropdown': 0, 'exclusive': 1, 'cycle': 1}" />
                <field name="create_date" widget="date_interval" options="{'type': 'iso_week', 'lookbehind': 104, 'lookahead': 1}" />
            </xpath>
        </field>
    </record>
</odoo>