94 lines
3.4 KiB
Python
94 lines
3.4 KiB
Python
# -*- coding: utf-8 -*-
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##############################################################################
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#
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# OpenERP, Open Source Management Solution
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# Copyright (C) 2011 OpenERP SA (<http://www.openerp.com>).
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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##############################################################################
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"""
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Store database-specific configuration parameters
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"""
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from osv import osv,fields
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import uuid
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import datetime
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from tools import misc
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"""
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A dictionary holding some configuration parameters to be initialized when the database is created.
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"""
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_default_parameters = {
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"database.uuid": lambda: str(uuid.uuid1()),
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"database.create_date": lambda: datetime.datetime.now().strftime(misc.DEFAULT_SERVER_DATETIME_FORMAT),
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}
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class ir_config_parameter(osv.osv):
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"""Per-database storage of configuration key-value pairs."""
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_name = 'ir.config_parameter'
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_columns = {
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'key': fields.char('Key', size=256, required=True, select=1),
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'value': fields.text('Value', required=True),
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}
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_sql_constraints = [
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('key_uniq', 'unique (key)', 'Key must be unique.')
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]
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def init(self, cr):
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"""
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Initializes the parameters listed in _default_parameters.
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"""
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for key, func in _default_parameters.iteritems():
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ids = self.search(cr, 1, [('key','=',key)])
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if not ids:
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self.set_param(cr, 1, key, func())
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def get_param(self, cr, uid, key, default=False, context=None):
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"""Retrieve the value for a given key.
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:param string key: The key of the parameter value to retrieve.
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:param string default: default value if parameter is missing.
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:return: The value of the parameter, or ``default`` if it does not exist.
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:rtype: string
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"""
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ids = self.search(cr, uid, [('key','=',key)], context=context)
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if not ids:
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return default
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param = self.browse(cr, uid, ids[0], context=context)
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value = param.value
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return value
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def set_param(self, cr, uid, key, value, context=None):
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"""Sets the value of a parameter.
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:param string key: The key of the parameter value to set.
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:param string value: The value to set.
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:return: the previous value of the parameter or False if it did
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not exist.
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:rtype: string
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"""
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ids = self.search(cr, uid, [('key','=',key)], context=context)
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if ids:
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param = self.browse(cr, uid, ids[0], context=context)
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old = param.value
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self.write(cr, uid, ids, {'value': value}, context=context)
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return old
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else:
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self.create(cr, uid, {'key': key, 'value': value}, context=context)
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return False
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