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Unable to create a new UOM

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This question has been flagged
ormuompython3odoo19
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Sofia Ingalls

I've been trying to create a new UOM but it keeps failing. This is the core code:

unit_category = request.env['uom.category'].sudo().search([('name', '=', 'Units')], limit=1)

if unit_category:

​ new_uom = request.env['uom.uom'].sudo().create({

​ ​ 'name': 'MyDozen',

​ ​ 'category_id': unit_category.id,

​ ​ 'uom_type': 'smaller',

​ ​ 'factor': 12.0, 

​ ​ 'rounding': 1.0,

​ })


I've tried replacing factor with factor_inv and even relative_factor, but it still doesn't work. It might create the UOM, sometimes, but with a unit of only 1 and not 12.

Where is my mistake?

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Sofia Ingalls
Author

Hello, my dear Kunjan. Your help is tireless.

That did the trick. Thank you!

My forum account is still too new to upvote, but let's mark yours as the solution.

Avatar
Kunjan Patel
Best Answer
Hello Sofia Ingalls,
I hope you are doing well

Odoo 19 changed the UOM model. Fields uom_type, factor, factor_inv no longer exist.
Fix: Use relative_uom_id + relative_factor:

# Find the base unit ("Units")
reference_uom = request.env['uom.uom'].sudo().search([
      ('category_id', '=', reference_uom.id,  ← This was missing
      'relative_factor': 12.0,
  })
You were missing relative_uom_id — the link to the base unit.

I hope this information helps you

Thanks & Regards,
Kunjan Patel
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