eiru_contract_vendor/views/account_invoice_view.xml

<?xml version="1.0" encoding="utf-8"?>

<openerp>
    <data>
        <record id="account_invoice_cobrador" model="ir.ui.view">
            <field name="name">account.invoice.cobrador</field>
            <field name="model">account.invoice</field>
            <field name="inherit_id" ref="account.invoice_form" />
            <field name="arch" type="xml">
                <field name="account_id" position="after">
                        <field name="employee_id"/>
                        <field name="factconcobrador"/>
                        <field name="promesa_date"/>
                </field>
            </field>
        </record>

        <record id="view_accountinvoices_filter_search1" model="ir.ui.view">
            <field name="name">accountinvoices.filter.search1</field>
            <field name="model">account.invoice</field>
            <field name="inherit_id" ref="account.view_account_invoice_filter" />
            <field name="arch" type="xml">
              <search>
                  <filter string="Promesa esta semana" domain="[('promesa_date', '&gt;=', ((context_today()+relativedelta(weeks=-1, days=1, weekday=0)).strftime('%%Y-%%m-%%d'))),('promesa_date', '&lt;=', ((context_today()+relativedelta(weeks=0, weekday=6)).strftime('%%Y-%%m-%%d')))]"/>
                  <filter string="Promesa hoy" domain="[('promesa_date', '&gt;=', datetime.datetime.now().strftime('%Y-%m-%d 00:00:00')),('promesa_date', '&lt;=',datetime.datetime.now().strftime('%Y-%m-%d 23:23:59'))]"/>
                  <filter string="Promesa ayer" domain="[('promesa_date','&lt;=', (datetime.date.today()-relativedelta(days=1)).strftime('%%Y-%%m-%%d')),('promesa_date','&gt;=',(datetime.date.today()-relativedelta(days=1)).strftime('%%Y-%%m-%%d'))]"/>
                  <separator/>
                  <group string="Agrupar por">
                      <filter string="Por dia vencimiento" context="{'group_by':'date_due:day'}"/>
                      <filter string="Por dia promesa" context="{'group_by':'promesa_date:day'}"/>
                      <filter string="Por mes promesa" context="{'group_by':'promesa_date:month'}"/>
                  </group>
               </search>
            </field>
        </record>

    </data>
</openerp>