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Hi,

I'm new on odoo and i'm trying to make a relation between 2 fields and show the result on my module.

I read the document "how to build your module" from odoo but the only thing that I get are errors.

Code:

RELATION BETWEEN class "practica3.bar"(1....*) and "practica3.treballadors" (1....1)

First class(bar):

# -*- coding: utf-8 -*-


from odoo import models, fields, api



class Bar(models.Model):

    _name = 'practica3.bar'

    nom = fields.Char(

        string='Nom del bar',

        required=True,

        size=15

    )

    treballadors_id = fields.One2many(

        'practica3.treballador',

        'NIF'

    )


SECOND CLASS "Treballadors"--> means workers:

from odoo import models, fields, api

class Treballador(models.Model):

    _name = 'practica3.treballador'

    -inherit='practica3.persona'

    

    

    NIF=fields.Many2one('practica3.bar','treballadors_id')

  

    numEmpleat= fields.Integer(

        string='Numero empleat',

        required=True,

        size=4

    )

    salariMensual= fields.Integer(

        string='Salari empleat',

        required=True,

        size=9

    )

    

    codiCompteCorrent=fields.Char(

        string='Compte corrent persona',

        required=True,

        size=15

    )


CODE INHERIT CLASS:

from odoo import models, fields, api

class Persona(models.Model):

    _name = 'practica3.persona'

    

    nom=fields.Char(

        string='Nom de la persona',

        required=True,

        size=15

    )

    cognom1=fields.Char(

        string='Prtimer cognom de la persona',

        required=True,

        size=15

    )

    cognom2=fields.Char(

        string='Segon cognom de la persona',

        required=True,

        size=15

    )

    numSegSocial=fields.Char(

        string='Numero seguretat social',

        required=True,

        size=12

    )

    NIF=fields.Char(

        string='Dni',

        required=True,

        size=9

    )

    telefon=fields.Char(

        string='Telefon persona',

        required=True,

        size=9

    )


VIEW:


  <record model="ir.ui.view" id="bar_tree_view">

            <field name="name">bar.tree</field>

            <field name="model">practica3.bar</field>

            <field name="arch" type="xml">

                <tree string="Bar Tree">

                   <field name="nom"/>

                   <field name="treballadors_id">

                    <tree>

                        <field name="nom"/>

                       

                       </tree>

                    

                    </field> 

                   

                </tree>

            </field>

        </record>

    

            <record model="ir.ui.view" id="bar_form_view">

            <field name="name">bar.form</field>

            <field name="model">practica3.bar</field>

            <field name="arch" type="xml">

                <form string="Bar Form">

                    <sheet>

                        <group>

                            <field name="nom"/>

                            <field name="treballadors_id">

                    <tree>

                        <field name="nom"/>

                       

                       </tree>

                    

                    </field> 

                   

                           <!-- <field name="treballadors_id"/>-->

                        </group>

                        <!--<group  string="Adreça">              

                            <field name="adrecaID" invisible="1" required="0"/>

                            <field name="ciutat" />

                        </group>-->


                    </sheet>

                </form>

            </field>

        </record>

    

        <record model="ir.ui.view" id="bar_search_view">

            <field name="name">bar.search</field>

            <field name="model">practica3.bar</field>

            <field name="arch" type="xml">

                <search>

                    <field name="nom"/>

                    <field name="treballadors_id">

                    <tree>

                        <field name="nom"/>

                       

                       </tree>

                    

                    </field> 

                   

                    

                </search>

            </field>

        </record>

      

And with this code I get the following error:

Error:

Odoo Server Error


Traceback (most recent call last):

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\models.py", line 1037, in _validate_fields

    check(self)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\addons\base\ir\ir_ui_view.py", line 342, in _check_xml

    self.postprocess_and_fields(view.model, view_doc, view.id)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\addons\base\ir\ir_ui_view.py", line 1061, in postprocess_and_fields

    self.raise_view_error(message, view_id)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\addons\base\ir\ir_ui_view.py", line 516, in raise_view_error

    raise ValueError(message)

ValueError: Field `treballadors_id` does not exist


Error context:

View `bar.tree`

[view_id: 277, xml_id: practica3.bar_tree_view, model: practica3.bar, parent_id: n/a]


During handling of the above exception, another exception occurred:


Traceback (most recent call last):

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\tools\convert.py", line 744, in parse

    self._tags[rec.tag](rec, de, mode=mode)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\tools\convert.py", line 654, in _tag_record

    id = self.env(context=rec_context)['ir.model.data']._update(rec_model, self.module, res, rec_id or False, not self.isnoupdate(data_node), noupdate=self.isnoupdate(data_node), mode=self.mode)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\addons\base\ir\ir_model.py", line 1449, in _update

    record.write(values)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\addons\base\ir\ir_ui_view.py", line 421, in write

    return super(View, self).write(self._compute_defaults(vals))

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\models.py", line 3108, in write

    field.determine_inverse(records)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\fields.py", line 1071, in determine_inverse

    getattr(records, self.inverse)()

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\addons\base\ir\ir_ui_view.py", line 273, in _inverse_arch

    view.write(data)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\addons\base\ir\ir_ui_view.py", line 421, in write

    return super(View, self).write(self._compute_defaults(vals))

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\models.py", line 3090, in write

    self._write(old_vals)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\models.py", line 3256, in _write

    self._validate_fields(vals)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\models.py", line 1041, in _validate_fields

    raise ValidationError("%s\n\n%s" % (_("Error while validating constraint"), tools.ustr(e)))

odoo.exceptions.ValidationError: ('Error while validating constraint\n\nField `treballadors_id` does not exist\n\nError context:\nView `bar.tree`\n[view_id: 277, xml_id: practica3.bar_tree_view, model: practica3.bar, parent_id: n/a]', None)


During handling of the above exception, another exception occurred:


Traceback (most recent call last):

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\http.py", line 651, in _handle_exception

    return super(JsonRequest, self)._handle_exception(exception)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\http.py", line 310, in _handle_exception

    raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\tools\pycompat.py", line 87, in reraise

    raise value

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\http.py", line 693, in dispatch

    result = self._call_function(**self.params)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\http.py", line 342, in _call_function

    return checked_call(self.db, *args, **kwargs)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\service\model.py", line 97, in wrapper

    return f(dbname, *args, **kwargs)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\http.py", line 335, in checked_call

    result = self.endpoint(*a, **kw)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\http.py", line 937, in __call__

    return self.method(*args, **kw)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\http.py", line 515, in response_wrap

    response = f(*args, **kw)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\addons\web\controllers\main.py", line 938, in call_button

    action = self._call_kw(model, method, args, {})

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\addons\web\controllers\main.py", line 926, in _call_kw

    return call_kw(request.env[model], method, args, kwargs)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\api.py", line 689, in call_kw

    return call_kw_multi(method, model, args, kwargs)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\api.py", line 680, in call_kw_multi

    result = method(recs, *args, **kwargs)

  File "<decorator-gen-48>", line 2, in button_immediate_upgrade

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\addons\base\module\module.py", line 71, in check_and_log

    return method(self, *args, **kwargs)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\addons\base\module\module.py", line 603, in button_immediate_upgrade

    return self._button_immediate_function(type(self).button_upgrade)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\addons\base\module\module.py", line 542, in _button_immediate_function

    modules.registry.Registry.new(self._cr.dbname, update_module=True)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\modules\registry.py", line 85, in new

    odoo.modules.load_modules(registry._db, force_demo, status, update_module)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\modules\loading.py", line 376, in load_modules

    force, status, report, loaded_modules, update_module, models_to_check)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\modules\loading.py", line 274, in load_marked_modules

    perform_checks=perform_checks, models_to_check=models_to_check

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\modules\loading.py", line 181, in load_module_graph

    _load_data(cr, module_name, idref, mode, kind='data')

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\modules\loading.py", line 95, in _load_data

    tools.convert_file(cr, module_name, filename, idref, mode, noupdate, kind, report)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\tools\convert.py", line 791, in convert_file

    convert_xml_import(cr, module, fp, idref, mode, noupdate, report)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\tools\convert.py", line 852, in convert_xml_import

    obj.parse(doc.getroot(), mode=mode)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\tools\convert.py", line 741, in parse

    self.parse(rec, mode)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\tools\convert.py", line 751, in parse

    exc_info[2]

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\tools\pycompat.py", line 86, in reraise

    raise value.with_traceback(tb)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\tools\convert.py", line 744, in parse

    self._tags[rec.tag](rec, de, mode=mode)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\tools\convert.py", line 654, in _tag_record

    id = self.env(context=rec_context)['ir.model.data']._update(rec_model, self.module, res, rec_id or False, not self.isnoupdate(data_node), noupdate=self.isnoupdate(data_node), mode=self.mode)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\addons\base\ir\ir_model.py", line 1449, in _update

    record.write(values)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\addons\base\ir\ir_ui_view.py", line 421, in write

    return super(View, self).write(self._compute_defaults(vals))

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\models.py", line 3108, in write

    field.determine_inverse(records)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\fields.py", line 1071, in determine_inverse

    getattr(records, self.inverse)()

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\addons\base\ir\ir_ui_view.py", line 273, in _inverse_arch

    view.write(data)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\addons\base\ir\ir_ui_view.py", line 421, in write

    return super(View, self).write(self._compute_defaults(vals))

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\models.py", line 3090, in write

    self._write(old_vals)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\models.py", line 3256, in _write

    self._validate_fields(vals)

  File "C:\Program Files (x86)\Odoo 11.0\server\odoo\models.py", line 1041, in _validate_fields

    raise ValidationError("%s\n\n%s" % (_("Error while validating constraint"), tools.ustr(e)))

odoo.tools.convert.ParseError: "Error while validating constraint


Field `treballadors_id` does not exist


Error context:

View `bar.tree`

[view_id: 277, xml_id: practica3.bar_tree_view, model: practica3.bar, parent_id: n/a]

None" while parsing file:/c:/program files (x86)/odoo 11.0/server/odoo/addons/practica3/views/views.xml:5, near

<record model="ir.ui.view" id="bar_tree_view">

            <field name="name">bar.tree</field>

            <field name="model">practica3.bar</field>

            <field name="arch" type="xml">

                <tree string="Bar Tree">

                   <field name="nom"/>

                   <field name="treballadors_id">

                    <tree>

                        <field name="nom"/>

                       

                       </tree>

                    

                    </field> 

                   

                </tree>

            </field>

        </record>


I hope you can help me!!! Thanks!


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Odoo customization tutorial: https://learnopenerp.tumblr.com/

Best Answer

Hi Aleix,


In practica3.bar_tree_view, you cannot take tree(to assigned specific field) for one2many field in tree view. But in form view, you take tree for one2many field to assigned specific field. Please follow the below code:


<record model="ir.ui.view" id="bar_tree_view">

<field name="name">bar.tree</field>

<field name="model">practica3.bar</field>

<field name="arch" type="xml">

<tree string="Bar Tree">

<field name="nom"/>

<field name="treballadors_id">

<!-- Please do comment this code because in tree view, you cannot take again tree for one2many field. -->

<!-- <tree>

<field name="nom"/> 

</tree> -->

</field> 

</tree>

</field>

</record>

Can you please mark this as a solved, If you are satisfied with my answer.

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