from odoo import models, fields


class PurchaseRequest(models.Model):
    _inherit = 'purchase.request'
    _description = '采购申请'

    # 为state添加取消状态
    state = fields.Selection(selection_add=[('cancel', '已取消')])


class PurchaseRequestLine(models.Model):
    _inherit = 'purchase.request.line'
    _description = '采购申请明细'