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How to do Prototpye inherit in odoo

inherit

4 Odpowiedzi

6076 Widoki

Mahmoud Amer

i suppose I've not fully undrestood the prototype inheritance in Odoo. I try to inherit crm.lead

The Model :

class learn_odoo(models.Model):

	class learn_odoo(models.Model):
		_name = 'learn_odoo.learn_odoo'
		_inherit = ['crm.lead']
		_description = 'learn_odoo.learn_odoo'
		tag_ids = fields.Many2many('mail.channel','mail_channel_profile_crm', 'partner_id', 'tag_id')
		job = fields.Char()

The view :


Learn Odoofield>
learn_odoo.learn_odoofield>





xpath>
field>
record>


Learn Odoofield>
ir.actions.act_windowfield>
learn_odoo.learn_odoofield>
tree,formfield>


p>

p>
field>
record>

The Error :

RPC_ERROR
Odoo Server Error
Traceback (most recent call last):
File "/opt/odoo/15/odoo15/odoo/api\.py",\ line\ 886,\ in\ get
\ \ \ \ return\ field_cache\[record\._ids\[0\]\]
KeyError:\

During\ handling\ of\ the\ above\ exception,\ another\ exception\ occurred:

Traceback\ \(most\ recent\ call\ last\):
\ \ File\ "/opt/odoo/15/odoo15/odoo/fields\.py",\ line\ 1061,\ in\ __get__
\ \ \ \ value\ =\ env\.cache\.get\(record,\ self\)
\ \ File\ "/opt/odoo/15/odoo15/odoo/api\.py",\ line\ 889,\ in\ get
\ \ \ \ raise\ CacheMiss\(record,\ field\)
odoo\.exceptions\.CacheMiss:\ 'learn_odoo\.learn_odoo\(,\)\.duplicate_lead_count'

The\ above\ exception\ was\ the\ direct\ cause\ of\ the\ following\ exception:

Traceback\ \(most\ recent\ call\ last\):
\ \ File\ "/opt/odoo/15/odoo15/odoo/addons/base/models/ir_http\.py",\ line\ 237,\ in\ _dispatch
\ \ \ \ result\ =\ request\.dispatch\(\)
\ \ File\ "/opt/odoo/15/odoo15/odoo/http\.py",\ line\ 687,\ in\ dispatch
\ \ \ \ result\ =\ self\._call_function\(\*\*self\.params\)
\ \ File\ "/opt/odoo/15/odoo15/odoo/http\.py",\ line\ 359,\ in\ _call_function
\ \ \ \ return\ checked_call\(self\.db,\ \*args,\ \*\*kwargs\)
\ \ File\ "/opt/odoo/15/odoo15/odoo/service/model\.py",\ line\ 94,\ in\ wrapper
\ \ \ \ return\ f\(dbname,\ \*args,\ \*\*kwargs\)
\ \ File\ "/opt/odoo/15/odoo15/odoo/http\.py",\ line\ 348,\ in\ checked_call
\ \ \ \ result\ =\ self\.endpoint\(\*a,\ \*\*kw\)
\ \ File\ "/opt/odoo/15/odoo15/odoo/http\.py",\ line\ 916,\ in\ __call__
\ \ \ \ return\ self\.method\(\*args,\ \*\*kw\)
\ \ File\ "/opt/odoo/15/odoo15/odoo/http\.py",\ line\ 535,\ in\ response_wrap
\ \ \ \ response\ =\ f\(\*args,\ \*\*kw\)
\ \ File\ "/opt/odoo/15/odoo15/addons/web/controllers/main\.py",\ line\ 1342,\ in\ call_kw
\ \ \ \ return\ self\._call_kw\(model,\ method,\ args,\ kwargs\)
\ \ File\ "/opt/odoo/15/odoo15/addons/web/controllers/main\.py",\ line\ 1334,\ in\ _call_kw
\ \ \ \ return\ call_kw\(request\.env\[model\],\ method,\ args,\ kwargs\)
\ \ File\ "/opt/odoo/15/odoo15/odoo/api\.py",\ line\ 464,\ in\ call_kw
\ \ \ \ result\ =\ _call_kw_multi\(method,\ model,\ args,\ kwargs\)
\ \ File\ "/opt/odoo/15/odoo15/odoo/api\.py",\ line\ 451,\ in\ _call_kw_multi
\ \ \ \ result\ =\ method\(recs,\ \*args,\ \*\*kwargs\)
\ \ File\ "/opt/odoo/15/odoo15/odoo/models\.py",\ line\ 6494,\ in\ onchange
\ \ \ \ snapshot1\ =\ Snapshot\(record,\ nametree\)
\ \ File\ "/opt/odoo/15/odoo15/odoo/models\.py",\ line\ 6276,\ in\ __init__
\ \ \ \ self\.fetch\(name\)
\ \ File\ "/opt/odoo/15/odoo15/odoo/models\.py",\ line\ 6286,\ in\ fetch
\ \ \ \ self\[name\]\ =\ record\[name\]
\ \ File\ "/opt/odoo/15/odoo15/odoo/models\.py",\ line\ 5893,\ in\ __getitem__
\ \ \ \ return\ self\._fields\[key\]\.__get__\(self,\ type\(self\)\)
\ \ File\ "/opt/odoo/15/odoo15/odoo/fields\.py",\ line\ 1110,\ in\ __get__
\ \ \ \ self\.compute_value\(recs\)
\ \ File\ "/opt/odoo/15/odoo15/odoo/fields\.py",\ line\ 1269,\ in\ compute_value
\ \ \ \ records\._compute_field_value\(self\)
\ \ File\ "/opt/odoo/15/odoo15/addons/mail/models/mail_thread\.py",\ line\ 411,\ in\ _compute_field_value
\ \ \ \ return\ super\(\)\._compute_field_value\(field\)
\ \ File\ "/opt/odoo/15/odoo15/odoo/models\.py",\ line\ 4255,\ in\ _compute_field_value
\ \ \ \ getattr\(self,\ field\.compute\)\(\)
\ \ File\ "/opt/odoo/15/odoo15/addons/crm/models/crm_lead\.py",\ line\ 581,\ in\ _compute_potential_lead_duplicates
\ \ \ \ lead\.duplicate_lead_ids\ =\ duplicate_lead_ids\ \+\ lead
\ \ File\ "/opt/odoo/15/odoo15/odoo/models\.py",\ line\ 5770,\ in\ __add__
\ \ \ \ return\ self\.concat\(other\)
\ \ File\ "/opt/odoo/15/odoo15/odoo/models\.py",\ line\ 5781,\ in\ concat
\ \ \ \ raise\ TypeError\(f"cannot\ concat\ different\ models:\ '\{self\._name\}\(\)'\ and\ '\{arg\._name\}\(\)'"\)
Exception

The\ above\ exception\ was\ the\ direct\ cause\ of\ the\ following\ exception:

Traceback\ \(most\ recent\ call\ last\):
\ \ File\ "/opt/odoo/15/odoo15/odoo/http\.py",\ line\ 643,\ in\ _handle_exception
\ \ \ \ return\ super\(JsonRequest,\ self\)\._handle_exception\(exception\)
\ \ File\ "/opt/odoo/15/odoo15/odoo/http.py", line 301, in _handle_exception
raise exception.with_traceback(None) from new_cause
TypeError: cannot concat different models: 'crm.lead()' and 'learn_odoo.learn_odoo()'

MUHAMMED ASLAM

Prototype inheritance which is used to copy the entire definition of existing model. Prototype inheritance is executed by using _name and _inherit class attributes at the same time

Class LeadCopy(models.Model):

_name = "crm.lead.copy"

_inherit = "crm.lead"

_description = "Lead's Copy"

By using _name with the _inherit class attribute at the same time , you can copy the definition of the model. When you use both attributes in the model. Odoo will copy the model definition of _inherit and create a new model with the _name attribute

In this example, Odoo will copy the definition of crm.lead model and create a new model, crm.lead.copy. The new crm.lead.copy model has its own database table with its own data that is totally independent from the crm.lead parent model.

Prototype inheritance copies all the properties of the parent class. It copies fields,

attributes, and methods. If you want to modify them in the child class, you can simply do

so by adding a new definition to the child class.

Prototype inheritance does not work if you use the same model name in the _inherit and _name attributes. If you do use the same model name in the _inherit and _name attributes, it will just behave like a normal extension inheritance.

In practice the prototype inheritance is rarely used because duplicate data structures

Le Garage Numérique, Florian Roger

You can inherit views from parent model in prototype inheritance with this field in your view:

primary

For example:


		hr.contract.amendment.gn.form
       
		primary
		
...

hr.contract.amendment.gn.form hr.contract.amendment primary

Waleed Ali Mohsen

Hi,

Prototype inheritance creates a new model by copying the features from the inherited model and has a database table and data. It is used to set _inherit with the model to copy and the _name attribute with the identifier for the new model to be created.

 
class learn_odoo(models.Model):
	_name = 'learn_odoo.learn_odoo'
   _inherit = 'crm.lead'
   _description = 'learn_odoo.learn_odoo'

Mahmoud Amer

Autor

thanks for explaining,
I really do inherit like above,
what I try to do is I want to inherit from crm.lead ( just copy the fields and methods ) not data on the crm.lead I write my code as you mention but the odoo gives me an error

Waleed Ali Mohsen

You did

_inherit = [‘crm.team’]

Mahmoud Amer

Autor

Yes

Waleed Ali Mohsen

What the error you are getting?

Mahmoud Amer

Autor

raise exception.with_traceback(None) from new_cause
TypeError: cannot concat different models: 'crm.lead()' and 'learn_odoo.learn_odoo()'

Waleed Ali Mohsen

Please post your final code.

MUHAMMAD Imran

In Odoo, you can use the _inherit attribute to inherit from an existing model and add or modify fields and methods. Here is an example of how you can use it:

Copy code

from odoo import models

class MyModel(models.Model):

_name = 'my.model'

_description = 'My Model'

# Fields and methods here

class MyInheritedModel(models.Model):

_name = 'my.inherited.model'

_inherit = 'my.model'

_description = 'My Inherited Model'

# Additional fields and methods here

In this example, MyInheritedModel inherits from MyModel and can add or modify fields and methods. It's important to note that, when you inherit from a model you will get all fields and methods of the parent model and can add or modify the fields and methods of the parent model

Mahmoud Amer

Autor

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