如何将商品代码添加到od中的帐户发票

Question

class Wtgpurchase(models.Model):
    _inherit = 'produenter code herect.template'     
    code_article = fields.Char(string='code_article')

class WtgFacture2(models.Model):
    _inherit='account.invoice'       
    code_article_id = fields.Many2one('product.template', string='code article')
    _depends = {     
        'product.template': ['code_article'], }



<record model="ir.ui.view" id="view_order_form_inherited55">       
        <field name="model">account.invoice</field>
        <field name="inherit_id" ref="account.invoice_form"/>
        <field name="arch" type="xml">
        <field name="partner_id" position="after">         
           <field name="code_article_id.code_article"  />       
        </field></field>
    </record>       

vueaccount.invoice form [视图\u id:1432，xml\u id:wtg24.view\u order\u form\u inherited54，模型：account.invoice，父级\u id:539] 在解析/home/khaled/Bureau/eclipse installer/workspace/wtg\ u modules/wtg\ u addons/wtg24/views/wtg\ u bill时“无”。xml:26，近 '