extra_data_dikasa/views/res_partner.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
  <data>
    <record model="ir.ui.view" id="dikasa_partner_form">
       <field name="name">dikasa_partner_form</field>
       <field name="model">res.partner</field>
       <field name="inherit_id" ref="base.view_partner_form"/>
       <field name="arch" type="xml">
         <field name="website"  position="before">
           <field name="zone_id"/>
         </field>
         <field name="website"  position="after">
           <field name="supplier_type" attrs="{'invisible':[('supplier','!=',True)]}"/>
         </field>
      </field>
    </record>
    <record model="ir.ui.view" id="dikasa_partner_form2">
       <field name="name">dikasa_partner_form2</field>
       <field name="model">res.partner</field>
       <field name="inherit_id" ref="account.view_partner_property_form"/>
       <field name="groups_id" eval="[(6, 0, [ref('base.group_sale_salesman')])]"/>
       <field name="arch" type="xml">
         <field name="credit_limit"  position="after">
           <field name="check_limit" readonly="1"/>
           <field name="morosidad" readonly="1"/>
           <field name="customer_categ"/>
         </field>
      </field>
    </record>

    <!-- TREE VIEW -->
    <record model="ir.ui.view" id="dikasa_partner_tree">
       <field name="name">dikasa_partner_tree</field>
       <field name="model">res.partner</field>
       <field name="inherit_id" ref="base.view_partner_tree"/>
       <field name="arch" type="xml">
          <xpath expr="//tree[@string='Contacts']" position="replace" >
            <tree string="Contacts">
                     <field name="display_name"/>
                     <field name="ruc"/>
                     <field name="function" invisible="1"/>
                     <field name="phone"/>
                     <field name="email"/>
                     <field name="zone_id"/>
                     <field name="customer_categ"/>
                     <field name="state_id"/>
                     <field name="user_id" invisible="1"/>
                     <field name="is_company" invisible="1"/>
                     <field name="country_id"/>
                     <field name="parent_id" invisible="1"/>
                 </tree>
         </xpath>
      </field>
    </record>

</data>
</openerp>