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Market Research Group

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Ever struggled with computed fields in Odoo? Especially when building a WMS Warehouse System?

Let’s break it down with some dev-friendly questions!


🤔 What exactly are computed fields in Odoo, and why should you care when building a WMS Warehouse System?


They're fields calculated from other fields—super useful for totals, weights, statuses, and more!


🔍 How does Odoo know when to recalculate a computed field?


That’s where @api.depends comes in. Example:

python

@api.depends('qty_done', 'product_id')

def computetotal_weight(self):

    ...

❓What happens if you skip @api.depends?


💥 Your computed field won’t auto-update. This breaks things, especially in warehouse flows like real-time stock or pickings.

 

📊 Want to search or filter by a computed field in list views?


Add store=True.In a WMS Warehouse System, that’s critical for reporting & KPIs.

 

🛑 Can too many dependencies slow things down?


Yes! Avoid listing unnecessary fields in @api.depends. More fields = more recomputes = slower performance in big warehouses.


 🤯 Should you use @api.onchange instead?


Only for UI form updates—not for stored values. Don’t confuse the two!


✅ Final check: Is your function pure (no side effects)? Good. That’s best practice for stable, reliable WMS logic in Odoo.


Still confused about computed fields in your Odoo WMS Warehouse System?

Let’s chat—drop your questions below or comments!

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