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Is it possible to have writable related field ? I tried by adding a 'reverse' parameter in my field definition and having the reverse method writing the value in related field. However, in the view, the field is always readonly. Here is my code:
gift_instructions = fields.Char( related='invoice_line_id.gift_instructions', store=True, inverse='_set_gift_instructions')
@api.one def _set_gift_instructions(self): self.invoice_line_id.gift_instructions = self.gift_instructions
How about a computed field instead ?
You already have your setter function, you just need to create your getter function:
@api.depends('invoice_line_id')
def _get_gift_instructions(self):
self.gift_instructions = self.invoice_line_id.gift_instructionsand link it:
gift_instructions = fields.Char(
compute='_get_gift_instructions', store=True,
inverse='_set_gift_instructions'
Thanks, it works ! I thought related field would behave like computed fields, but apparently they are not writable.
For a related field, when we change the field at form view, it automatically changes the relational model too
i.e. No need to use reverse to write at gift_instructions and it will be automatically done by the Object-relational mapping(ORM).
Check whether you have set the gift_instructions field as readonly at XML form view.
For more info check the odoo documentation here.
I didn't knew that. In fact, I never used related fields, but that could change for sure, thanks :)
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