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modelcomputeodoo16features
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SmithJohn45

i am adding a field to compute length of field complete_name in product.category as below:

Name: x_complete_name_length

Type: Integer

Stored: True (Checked)

Readonly: True (Checked)

in ADVANCED PROPERTIES:

Dependencies: complete_name

Compute:

def get_length(self):

  if self.complete_name:

    self.x_complete_name_length=len(self.complete_name)

when trying to Save by pressing small button on top, it is throwing error:

raise ValueError("forbidden opcode(s) in %r: %s" % (expr, ', '.join(opname[x] for x in (code_codes - allowed_codes))))

ValueError: forbidden opcode(s) in 'lambda': STORE_ATTR


please help, error SEEMS not related but may be something inside somewhere which i don't know.

regards

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SmithJohn45
Author Best Answer

i have managed as below:

added custom field in product.category 

Name: x_parent_path_length 

Type: Integer 


created Automated Action as below:

Name: update parent path length

Model: Product Category (product.category)

Action to Do: Execute Python Code

Trigger: On Creation & Update


Python Code:

if record.parent_path:

  parent_length = len(record.parent_path)

  # raise Warning(parent_length)

  record.write({'x_parent_path_length': parent_length})

all done, now it is calculating length of field parent_path, have checked in pgAdmin

select * from product_category;

regards

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shubham shiroya
Best Answer

follow this way:
from odoo import fields, models


class ProductCategory(models.Model):

    _inherit = 'product.category'


    x_complete_name_length = fields.Integer(string="Complete Name Length", compute='_compute_complete_name_length', store=True, readonly=True)


    def _compute_complete_name_length(self):

        for category in self:

            if category.complete_name:

                category.x_complete_name_length = len(category.complete_name)

            else:

                category.x_complete_name_length = 0


The error you're encountering, "forbidden opcode(s) in 'lambda': STORE_ATTR," is due to the use of the self keyword within the lambda function, which is not allowed in Odoo field computation. Odoo's field computation function doesn't directly accept the self parameter.

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SmithJohn45
Author

thank you @Shubham, i already have resolved the problem adding Automated Action. and please note, i didn't used lambda function as all things done before AA is within View and code is already there in my Opening Post.

regards

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