partner-contact/base_continent/models/country.py

# -*- coding: utf-8 -*-
# © 2014-2016 Camptocamp SA (Author: Romain Deheele)
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).

from openerp import models, fields


class Country(models.Model):
    _inherit = 'res.country'

    continent_id = fields.Many2one(
        'res.continent', string='Continent', ondelete='restrict')