# -*- coding: utf-8 -*- from flectra import api, fields, models class ProductTemplate(models.Model): _inherit = 'product.template' event_ok = fields.Boolean(string='Is an Event Ticket', help='Determine if a product needs ' 'to create automatically an event registration at the confirmation of a sales order line.') @api.onchange('event_ok') def _onchange_event_ok(self): if self.event_ok: self.type = 'service' class Product(models.Model): _inherit = 'product.product' event_ticket_ids = fields.One2many('event.event.ticket', 'product_id', string='Event Tickets') @api.onchange('event_ok') def _onchange_event_ok(self): """ Redirection, inheritance mechanism hides the method on the model """ if self.event_ok: self.type = 'service'