How to reference record in database by is XML id?

Question

Hallo

I'm writing a parser for an Aeroo report for expenses.

In the py code I need to make some reference to specific product categories, created within the same module via XML serialization, eg.:


<record id="park" model="product.category">
            <field name="parent_id" ref="hr_expense.cat_expense"/>
            <field name="name">Parking tickets</field>
        </record>

How can I reference in the py code the category having the id "park"?

Yogesh · Accepted Answer

Hi,
Solution of Serpent Consulting Services Pvt. Ltd. is from V7 and works in V8 as well.
for anyone who is needing it in V8 you can do it in a simpler way with new api
record_id = self.env.ref('module_name.xml_id_of_record').id

Serpent Consulting Services Pvt. Ltd. · Answer

Hello Raffaele,
All the xml records are stored in "ir.model.data" object. There is a method called "get_object_reference" which gives you the database ID from xml ID.
In this method you have to pass module name where xml record is created and xml ID of the record.
Example:
V7:
self.pool.get('ir.model.data').get_object_reference(cr, uid, 'module_name', 'xml_id_of_record')[1]
V8:
record_id = self.env.ref('module_name.xml_id_of_record').id

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