Filter in Many2one Field in One2Many

Question

How to make product invisible in next line, if product is already selected in previous line of one2Many..????

jose castillo · Answer

I think you need an @api.onchange function that returns a domain for the Many2one field. Sometthing like that:
@api.onchange('o2m_field')
def onchange_attack(self):
result = {
'domain': {'m2o_field': [('id', 'not in', self.one2many_field.ids)], },
}
And you also can use this domain in the field:
m2o_field = fields.Many2one('module.model' domain="[('id', 'not in', o2m_field)]")

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