'For every sale order, compute the price of the shipment
:param orders: A recordset of sale orders
:return list: A list of floats, containing the estimated price for the shipping of the sale order'

def get_shipping_price_from_so(self, orders):

    self.ensure_one()
    if hasattr(self, ('%s_get_shipping_price_from_so' % self.delivery_type)):
        return getattr(self, ('%s_get_shipping_price_from_so' % self.delivery_type))(orders)
