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How to test if external id exists in python?

By
Pascal Tremblay
on 3/11/15, 11:37 AM 1,436 views

Hello there,

My custom module controller make a string like « point_of_sale.index_2 ».

In Odoo, python, how to test if this external ID exists in my DB before to use it later in the code?

If I use this external ID in my python code and it doesn't exist, I get an error.

Thanks for your idea.

1
Emanuel Cino
On 3/11/15, 12:42 PM

You could surround your code using that external_id with try/catch and do the appropriate thing in the catch clause if that id does not exist. If you need to do that check prior to the actual use of it you could use the method get_object_reference from ir_model_data and surround the code with try/except, like this:

try:

self.pool.get('ir.model.data').get_object_reference(cr, uid, 'module_name', 'external_id')

except ValueError:

# do whatever

Very interesting. I test it soon and I come back.

Pascal Tremblay
on 3/11/15, 12:43 PM

Sorry,I meant except, not catch...

Emanuel Cino
on 3/11/15, 1:35 PM

Thanks for your answer. Exactly what I needed.

Pascal Tremblay
on 3/11/15, 2:42 PM

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Asked: 3/11/15, 11:37 AM
Seen: 1436 times
Last updated: 3/16/15, 8:10 AM