# -*- coding: utf-8 -*- ############################################################################## # # Copyright (c) 2009 Nexedi KK and Contributors. All Rights Reserved. # Yusei Tahara <yusei@nexedi.com> # # WARNING: This program as such is intended to be used by professional # programmers who take the whole responsibility of assessing all potential # consequences resulting from its eventual inadequacies and bugs # End users who are looking for a ready-to-use solution with commercial # guarantees and support are strongly advised to contract a Free Software # Service Company # # 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 2 # 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, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # ############################################################################## from zope.interface import Interface class IRoundingTool(Interface): """ Rounding tool interface """ def findRoundingModel(document, property_id, context=None): """ Find matched rounding model for context and property id. Parameters: document This is the object which contains value to be rounded. property_id This indicates which property value is rounded. context This indicates where lookup starts from. If this is None, then rounding tool itself is used. Example: temporary_movement is generated by getAggregatedAmountList from a set of movements and represents total price with tax. trade_model_line contains a rounding model to be used here to round the total price with tax. portal_roundings.findRoundingModel(temporary_movement, 'total_price', context=trade_model_line) """