46 lines
2.2 KiB
Python
46 lines
2.2 KiB
Python
# -*- coding: utf-8 -*-
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##############################################################################
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#
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# Copyright (C) 2010 OpenERP s.a. (<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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from openerp.osv import osv
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"""Inherit res.currency to handle accounting date values when converting currencies"""
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class res_currency_account(osv.osv):
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_inherit = "res.currency"
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def _get_conversion_rate(self, cr, uid, from_currency, to_currency, context=None):
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if context is None:
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context = {}
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rate = super(res_currency_account, self)._get_conversion_rate(cr, uid, from_currency, to_currency, context=context)
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#process the case where the account doesn't work with an outgoing currency rate method 'at date' but 'average'
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account = context.get('res.currency.compute.account')
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account_invert = context.get('res.currency.compute.account_invert')
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if account and account.currency_mode == 'average' and account.currency_id:
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query = self.pool.get('account.move.line')._query_get(cr, uid, context=context)
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cr.execute('select sum(debit-credit),sum(amount_currency) from account_move_line l ' \
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'where l.currency_id=%s and l.account_id=%s and '+query, (account.currency_id.id,account.id,))
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tot1,tot2 = cr.fetchone()
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if tot2 and not account_invert:
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rate = float(tot1)/float(tot2)
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elif tot1 and account_invert:
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rate = float(tot2)/float(tot1)
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return rate
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