currency_utility/model/res_currency.py

# -*- coding: utf-8 -*-
from openerp import models, fields

class ResCurrency(models.Model):
    _inherit = 'res.currency'
    _name = 'res.currency'

    decimal_separator = fields.Selection([('.', '.'),(',', ',')],'Decimal Separator', required=True)
    decimal_places = fields.Integer(string='Decimal Places', default=0, required=True)
    thousands_separator = fields.Selection([('.', '.'),(',', ',')],'thousands Separator', required=True)
    symbol_position = fields.Selection([('before', 'Antes del importe'),('after', 'Después del importe')],'Symbol Position', required=True)