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v8one2manycomputenewapi
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Jean-Baptiste Bernard

Hello I want to know how to use compute to fill a One2Many

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Temur
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option with recordsets:

o2m_field = fields.One2many(....,compute="_compute_o2m_field")


@api.one
def _compute_o2m_field(self):
    ### get recordset of related object, for example with search (or whatever you like):
    related_recordset = self.env["the.relation.obj"].search([("some", "condition","here")])
    self.o2m_field = related_recordset


option with ids:

o2m_field = fields.One2many(....,compute="_compute_o2m_field")


@api.one
def _compute_o2m_field(self):
    related_ids = []
    # here compute & fill related_ids with ids of related object
    self.o2m_field.ids = related_ids


together with @api.one add @api.depends(...) as well, if your calculation of related recordset or ids depends on another fields in a model.


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Jean-Baptiste Bernard
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Thank you i going to try this but if i want to create record in my on2many it's possible?

Temur

you mean make this field editable? in this case you'll have to implement another function as well, the "inverse" function, see doc: https://www.odoo.com/documentation/8.0/reference/orm.html#field-computed

Jean-Baptiste Bernard
Autor

Not exactly in my one2many, i want to fill a result for eg : timesheet_ids = timesheet_obj.search([('employee_id','=', self.id)]) for timesheet_id in timesheet_ids : time_geh[timesheet_id.machine_id.geh_id.id] += timesheet_id.time_amount for geh_id_int in time_geh : geh_id = geh_obj.browse(geh_id_int) my_ids = my_one2many.create({'name':geh_id.name, 'total_time' : time_geh[geh_id]}) self.my_one2many.ids = my_ids

Temur

yes, technically it's possible, but I do not see how it may be useful to create records from inside of compute function... as compute function is called several times, each time when you access the field, when field displayed in UI, etc... so new records will be created over and over...

Jean-Baptiste Bernard
Autor

Yeah i understund this is why i try to do each time to make an unlink to empty the table but i have keyerror : 1

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