good/sell/models/money.py

from odoo import fields, models, api


class CostLine(models.Model):
    _inherit = 'cost.line'

    sell_id = fields.Many2one('sell.delivery', '出库单号',
                              ondelete='cascade',
                              help='与销售费用相关联的出库单号')


class MoneyOrder(models.Model):
    _inherit = 'money.order'

    sell_id = fields.Many2one('sell.order', '销售订单',
                              ondelete='restrict',
                              help='与付款相关的销售订单号')


class MoneyInvoice(models.Model):
    _inherit = 'money.invoice'

    move_id = fields.Many2one('wh.move', string='出入库单',
                              readonly=True, ondelete='cascade',
                              help='生成此发票的出入库单号')