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v8modulesinvoiceaccount.invoiceaccount.invoice.line
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Malte Jörgens

We separated the product name and it's description on devices so it looks like this:

Product Name
Product Description
...
Price
Some Product
Some Product
Some Product Description

...

As you can see the product's name "Some Product" is duplicated in the name-column.


I copied the function's head from account/account_invoice.py

I'm trying with a custom module, which looks like this:

# -*- coding: utf-8 -*-
from openerp import models
class account_invoice_line(models.Model):
    _inherit='account.invoice.line'
    @api.multi
    def product_id_change(self, product, uom_id, qty=0, name='', type='out_invoice',
            partner_id=False, fposition_id=False, price_unit=False, currency_id=False,
            company_id=None):
        res = super(account_invoice_line, self).product_id_change(
                product, uom_id, qty=qty, name=name, type=type, partner_id=partner_id,
                fposition_id=fposition_id, price_unit=price_unit,
                currency_id=currency_id, context=context, company_id=company_id)
        if product_id:
            product_obj = self.pool.get('product.product')
            product = product_obj.browse(cr, uid, product_id, context=context)
            if product.description_sale:
                res['value']['name'] = product.description_sale
            elif product.description_purchase:
                res['value']['name'] = product.description_purchase
        return res


After installing and trying to create an invoice position, I get this error, which I am not able to fix:

TypeError: product_id_change() got multiple values for keyword argument 'qty'
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Malte Jörgens
Autor Best Answer

I noticed that this seemed to because by another module of mine, which I now have merged with this one. The module looks like this:

from openerp import models, fields, api
class invoice_city(models.Model):
    _inherit = 'account.invoice'
    city = fields.Char(string='City', related='partner_id.city')
    invoice_by = fields.Selection(string='Invoice by', related='partner_id.x_invoice_by', store=True)

class account_invoice_line(models.Model):
    _inherit='account.invoice.line'
    @api.multi
    def product_id_change(self, product, uom_id, qty=0, name='', type='out_invoice',
            partner_id=False, fposition_id=False, price_unit=False, currency_id=False,
            company_id=None):
        res = super(account_invoice_line, self).product_id_change(
                product, uom_id, qty=qty, name=name, type=type, partner_id=partner_id,
                fposition_id=fposition_id, price_unit=price_unit,
                currency_id=currency_id, context=context, company_id=company_id)
        if product_id:
            product_obj = self.pool.get('product.product')
            product = product_obj.browse(cr, uid, product_id, context=context)
            if product.description_sale:
                res['value']['name'] = product.description_sale
            elif product.description_purchase:
                res['value']['name'] = product.description_purchase
        return res
However, I still get an error:
TypeError: product_id_change() takes at most 11 arguments (15 given)


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