# -*- coding: utf-8 -*- from openerp import models, fields, api class VoucherConfigSettings(models.TransientModel): _inherit = 'res.config.settings' voucher_comision_porcentaje = fields.Float( string='Porcentaje Comisión' ) @api.model def get_default_voucher_comision_porcentaje(self, fields): param = self.env['ir.config_parameter'].get_param( 'voucher_comision.porcentaje', '2' ) return { 'voucher_comision_porcentaje': float(param) } @api.multi def set_voucher_comision_porcentaje(self): self.env['ir.config_parameter'].set_param( 'voucher_comision.porcentaje', self.voucher_comision_porcentaje )