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# -*- coding: utf-8 -*-
from odoo import models, fields, api
# We just create a new model
class Unit(models.Model):
_name = 'test.unit'
name = fields.Char('Name', required=True)
state = fields.Selection([('a', 'A'), ('b', 'B')], string='State')
surname = fields.Char(compute='_compute_surname')
@api.one
@api.depends('name')
def _compute_surname(self):
self.surname = self.name or ''
# We want to _inherits from the parent model and we add some fields
# in the child object
class Box(models.Model):
_name = 'test.box'
_inherits = {'test.unit': 'unit_id'}
unit_id = fields.Many2one('test.unit', 'Unit', required=True,
ondelete='cascade')
field_in_box = fields.Char('Field1')
# We add a third level of _inherits
class Pallet(models.Model):
_name = 'test.pallet'
_inherits = {'test.box': 'box_id'}
box_id = fields.Many2one('test.box', 'Box', required=True,
ondelete='cascade')
field_in_pallet = fields.Char('Field2')
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