How to override only the unlink method of account_invoice class?

Question

Hello all,

I'm trying to override the unlink method in the class account_invoice. To be able to erase invoice when I make tests.

I want the shortest possible code. What I do wrong?

from openerp import models, fields, api

class account_invoice(models.Model):
_inherit = ['account.invoice']

@api.multi
def unlink(self):
_inherit = ['unlink']
for invoice in self:
if invoice.state not in ('draft', 'cancel'):
raise Warning(_('You cannot delete an invoice which is not draft or cancelled. You shoul

Zbik · Accepted Answer

Try this:

from openerp import models, fields, api
from openerp.exceptions import except_orm, Warning, RedirectWarning

class account_invoice(models.Model):
_inherit = ['account.invoice']

@api.multi
def unlink(self):
for invoice in self:
if invoice.state not in ('draft', 'cancel'):
raise Warning(_('You cannot delete an invoice which is not draft or cancelled. You should refund it instead.'))
return models.Model.unlink(self)

PS. last line is *not super()!!!* because super() calls the method fro

Publicações relacionadas	Respostas	Visualizações
Global discount on Customer Invoice invoice discount method model class	5 fev. 22	10790
What is the easiest way to override only the _lines_get method of the class Overdue in the account module? Resolvido report method class override overdue	1 fev. 16	5411
How to override this method definition who is NOT in a class? Resolvido default method class override not	1 out. 15	4946
override the makeOrder method. method override	0 mai. 16	3407
override a method inheritance Resolvido method override	2 dez. 15	3482

Esta pergunta foi sinalizada

Está gostando da discussão? Não fique apenas lendo, participe!