How to resize image in existing record ?

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odoo accounting v14 pos v15

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How to resize image in existing record ?

image binary compute resize inverse

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Jignesh Mehta

Hello,

I have 1 custom class which have minimum 30000 record which have images are stored.

Now, I want to resize all the images which is stored and also creating new record with image.

First image field is like as below

variants_image_medium = fields.Binary('Product Image', store=True, attachment=True)

Now, I converted image field as shown below

variants_image_medium = fields.Binary('Product Image', inverse='_compute_images', store=True, attachment=True, readonly=False)

@api.multi
def _compute_images(self):
        for rec in self:
            if rec.variants_image_medium:
                image = tools.image_resize_image_small(rec.variants_image_medium)
                rec.variants_image_medium = image
                return rec

It gives me error,

RuntimeError: maximum recursion depth exceeded

How to Solve that error ?

Thanks in Advance,

Sehrish

Reference: http://learnopenerp.blogspot.com/2020/07/how-to-resize-image-on-saving-records-in-odoo.html

Sehrish

In Odoo14 you can resize image like this: https://learnopenerp.blogspot.com/2021/09/dynamically-image-resizing-save-write-odoo14.html

Hilar Andikkadavath

For a computed function returning arguments should keep the format

{'value':
     { 'field_name':field_value}
}

So please check the rec satisfies this.

Denis Baranov

In your inverse you are changing current field, what invokes this inverse recursively:

Field value x > Field value x1 > Field value x2 > .... >

You should

1) either store resized image in a separated field

2) or add a condition in inverse not to make recursion, e.g.:

already_resized = fields.Boolean()

@api.multi
def _compute_images(self):
for rec in self:
if not already_resized and rec.variants_image_medium:

image = tools.image_resize_image_small(rec.variants_image_medium)
rec.variants_image_medium = image
rec.already_resized = True

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