account_invoice.py

# -*- coding: utf-8 -*-
# © 2015-2016 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).

from openerp import models, api, _


class AccountInvoice(models.Model):
    _inherit = 'account.invoice'

    @api.multi
    def name_get(self):
        """Add amount_untaxed in name_get of invoices"""
        res = super(AccountInvoice, self).name_get()
        if self._context.get('invoice_show_amount'):
            new_res = []
            for (inv_id, name) in res:
                inv = self.browse(inv_id)
                # I didn't find a python method to easily display
                # a float + currency symbol (before or after)
                # depending on lang of context and currency
                name += _(' Amount w/o tax: %s %s') % (
                    inv.amount_untaxed, inv.currency_id.name)
                new_res.append((inv_id, name))
            return new_res
        else:
            return res