# This file is part of Tryton. The COPYRIGHT file at the top level of # this repository contains the full copyright notices and license terms. from datetime import timedelta from trytond.pool import Pool, PoolMeta class Product(metaclass=PoolMeta): __name__ = 'product.product' def get_supply_period(self): 'Return the supply period for the product' pool = Pool() Configuration = pool.get('production.configuration') return Configuration(1).supply_period or timedelta(0)