class ApprovalFlow(models.Model): _name = 'approval.flow' _description = u'审批流程' def _compute_domain(self): all_cls = inspect.getmembers(sys.modules[__name__], inspect.isclass) odoo_cls = [getattr(cls[1], '_name') for cls in all_cls if cls[1].__bases__[0].__name__ == 'Model'] # 排除当前的对象 odoo_cls += [model.model for model in self.env['ir.model'].search([('transient', '=', True)])] # 排除临时对象 return [('model', 'not in', odoo_cls)] name = fields.Char(u'名称') model_id = fields.Many2one('ir.model', u'模型', domain=_compute_domain, index=1) model_name = fields.Char(related="model_id.model", string='模型名称') condition = fields.Char(u'条件', help=u'请遵循odoo的domain的写法，如：[("field_name", "=", value)]',store=True) class RokedispatchordermanagementPriceApprove(models.Model): _name = 'roke.dispatch.order.management.price.approve' _inherit = ['mail.thread', 'mail.activity.mixin'] _description = "派船单应付审核" _rec_name = "code" order_id = fields.Many2one('roke.dispatch.order.management', string='派船单', ondelete='cascade') code = fields.Char(string='单据编号', store=True, related='order_id.code') class Rokedispatchordermanagement(models.Model): _name = 'roke.dispatch.order.management' _inherit = ['mail.thread', 'mail.activity.mixin'] _description = "派船单" _rec_name = "code" client = fields.Many2one('roke.partner', string='客户', tracking=True, required=True,) department_manager = fields.Many2one('res.users', string='创建人', tracking=True, default=lambda self: self.env.user.id) box_number = fields.Char(string='箱号') shipping_companies = fields.Char(string='船公司') field_station = fields.Char(string='场站') ship_name_voyage = fields.Char(string='船名航次') port_of_discharge = fields.Char(string='卸货港') box_type = fields.Many2one('roke.box.type', string='箱型') code = fields.Char(string='单据编号', track_visibility='onchange') 派传单应付审核表提交审核在审批流程的条件里面有记录同时如果选择完成之后不能删除派船单这条审批通过的不能删除要重新写删除方法怎么写