从继承模型 Odoo 9 获取字段

Get field from inherited model Odoo 9

我正在尝试从我继承的模型中获取字段。

from openerp import api, fields, models

class Calculate(models.Model):
    _inherit = 'sale.order.line'
    company_discount = fields.Float(string='Company Discount')
    customer_discount = fields.Float(string='Customer Discount')
    company_price_amount_total = fields.Monetary(string='Price after discount', store=True, readonly=True, compute='_calc_company_price', track_visibility='always')
    customer_price_amount = fields.Monetary(string='Customer price', store=True, readonly=True, compute='_calc_customer_price', track_visibility='always')
    transport  = fields.Float(string='Transport')
    transport_amount = fields.Monetary(string='Transport amount', store=True, readonly=True, compute='_calc_transport', track_visibility='always')

    @api.depends('order_line.price_unit', 'customer_discount')
    def _calc_customer_price(self):
        self.customer_price_amount = self.order_line.price_unit * ((100 - self.customer_discount) / 100)

    @api.depends('order_line.price_unit', 'company_discount', 'customer_discount')
    def _calc_company_price(self):
         self.company_price_amount_total = self.order_line.price_unit * ((100 - self.customer_discount) / 100) * ((100 - self.company_discount) / 100)

    @api.depends('customer_price_amount', 'transport')
    def _calc_transport(self):
        self.transport_amount = self.customer_price_amount * ((100 - self.transport) / 100)

我遇到错误 NameError: global name 'price_unit' is not defined

字段 price_unit 在我继承的模型 sale.order.line 中。

更新:

我已经尝试了 price_unitsale.order.line.price_unit 但结果相同。

你不需要每次都写 order_line.price_unit 而只是 price_unit

在py中添加继承是正确继承的两个步骤之一。我认为你缺少的是将它添加到 openerp.py 文件中。

在 "depends" 属性中添加 "sale" 作为您继承的模块,因为它包含 sale.order.line 声明。