Skip to Content
You need to be registered to interact with the community.
All Posts People Badges
Ključne besede (View all)
odoo accounting v14 pos v15
About this forum
This question has been flagged
v8one2many
2 Odgovori
18443 Prikazi
Avatar
Bevan Weiss

I had a module which I was creating in the v7 API.  However, now that the v8 API has been released I would like to migrate it to this.

I'm having trouble accessing a fields.One2many(related=...) column I've got however.

I've looked in the accounting_invoice module for an example, and it seems that I'm doing the same as shown there.

step_ids = fields.One2many(related='template_id.step_ids', store=True, auto_join=True)

And this shows up in the Database Stucture->Models view, however if I try to reference this in a view then it complains.  Throwing up a error when upgrading the module (or installing) saying:

'NoneType' object has no attribute '_fields'" while passing .... (name of my view.xml)

Is this possibly a bug with the new v8 API?  or am I doing something else wrong?  The template_id is a Many2one (in this class), and the step_ids One2many field does exist in the template class.  (it's been working before in v7 API before I changed the fields.one2many/relation etc items over to fields.One2many and such)

Avatar
Opusti
Avatar
Akhil P Sivan
Best Answer

Hi Bevan, I don't think the definition is completely wrong. Please keep it like this:

step_ids = fields.One2many(related='template_id.step_ids', string = "Steps")

Also make sure you have included the import fields correctly for new api. I mean it should be like this:

from openerp import models, fields, api, exceptions, tools

The fields import should not be there from osv, I mean:

from openerp.osv import osv, fields
Avatar
Opusti
Avatar
Miku Laitinen
Best Answer


Your field definition is missing the attribute `comodel_name` which is the first attribute between the parentheses. You must define your `step_ids` field's model first. I found this out thanks to PyCharm suggestions.

 

Avatar
Opusti
Related Posts Odgovori Prikazi Aktivnost
Reorder one2many_list ? Solved
v8 one2many
Avatar
Avatar
2
mar. 15
8273
How to get a recordset from a One2many or Many2many field in a python file?
v8 one2many many2many
Avatar
Avatar
1
apr. 17
20552
Void Field (product.template.seller_id) Many2one related to a One2many field
v8 one2many related
Avatar
2
dec. 15
4396
How do you implement the Associations: Members website module? Solved
v8
Avatar
Avatar
Avatar
3
jul. 25
9990
How to Integrate a Full-Screen Color Testing Tool with Odoo Website Builder?
v8
Avatar
Avatar
1
maj 25
2210