# -*- encoding: utf-8 -*-
##############################################################################
#
#    OpenERP, Open Source Management Solution
#    Copyright (C) 2013 Smile (<http://www.smile.fr>). All Rights Reserved
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################

from openerp import api, models, tools


class IrConfigParameter(models.Model):
    _inherit = 'ir.config_parameter'

    @api.model
    def get_param(self, key, default=False):
        if key == 'server.environment':
            return tools.config.get('server.environment') or default
        if key == 'max_upload_size':
            return tools.config.get('max_upload_size') or default
        return super(IrConfigParameter, self).get_param(key, default)

# -*- encoding: utf-8 -*-
##############################################################################
#
#    OpenERP, Open Source Management Solution
#    Copyright (C) 2013 Smile (<http://www.smile.fr>). All Rights Reserved
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################

from openerp import api, models, tools


class IrConfigParameter(models.Model):
    _inherit = 'ir.config_parameter'

    @api.model
    def get_param(self, key, default=False):
        if key in tools.config.options:
            return tools.config.get(key)
        return super(IrConfigParameter, self).get_param(key, default)

Allow to override any config parameter via config file
[IMP] Allow to override any config parameter via config file