sales_product_warehouse_quantity/wizard/product_warehouse_quantity.xml

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

        <record id="view_product_wareouse_quantity" model="ir.ui.view">
            <field name="name">Sales Product Warehouse Quantity</field>
            <field name="model">sale.product.warehouse.quantity</field>
            <field name="arch" type="xml">
                <form string="Sales Product Warehouse Quantity">
                    <group>
                        <field name="warehouse_quantity" string="Stock"/>
                    </group>
                </form>
            </field>
        </record>

        <record id="action_view_warehouse_quantity" model="ir.actions.act_window">
            <field name="name">Stock por Almacen</field>
            <field name="type">ir.actions.act_window</field>
            <field name="res_model">sale.product.warehouse.quantity</field>
            <field name="view_type">form</field>
            <field name="view_mode">form</field>
            <field name="target">new</field>
        </record>

    </data>
</openerp>