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hello everyone !

I would like to call the method of another model in the compute attribute of a field. is it possible, if so how to do it ?

here is a example of my code:

##########################################

class account(models.Model):

    _name = 'pers_io_money.account'

    credit = fields.Float( compute="pers_io_money.event._credit_account" )

++++++++++++++++++++++++++++++++++++

class event(models.Model):

    _name = 'pers_io_money.event'

    amount = fields.Float( )

    account_id =  fields.Many2one( 'pers_io_money.account', String="account")

    @api.depends('account_id')

    def _credit_account(self):

        if (self.account_id is not False) :

               self.account_id.credit = self.amount

###########################################

when I execute the code above, I get the following error:

Traceback (most recent call last):

  File "/home/kaly-7/odoo -dev/odoo-12.0/odoo/api.py", line 1039, in get

    value = self._data[key][field][record._ids[0]]

KeyError: 1


During handling of the above exception, another exception occurred:


Traceback (most recent call last):

  File "/home/kaly-7/odoo -dev/odoo-12.0/odoo/fields.py", line 976, in __get__

    value = record.env.cache.get(record, self)

  File "/home/kaly-7/odoo -dev/odoo-12.0/odoo/api.py", line 1041, in get

    raise CacheMiss(record, field)

odoo.exceptions.CacheMiss: ('pers_io_money.account(1,).credit', None)


During handling of the above exception, another exception occurred:


Traceback (most recent call last):

  File "/home/kaly-7/odoo -dev/odoo-12.0/odoo/http.py", line 654, in _handle_exception

    return super(JsonRequest, self)._handle_exception(exception)

  File "/home/kaly-7/odoo -dev/odoo-12.0/odoo/http.py", line 312, in _handle_exception

    raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])

  File "/home/kaly-7/odoo -dev/odoo-12.0/odoo/tools/pycompat.py", line 87, in reraise

    raise value

  File "/home/kaly-7/odoo -dev/odoo-12.0/odoo/http.py", line 696, in dispatch

    result = self._call_function(**self.params)

  File "/home/kaly-7/odoo -dev/odoo-12.0/odoo/http.py", line 344, in _call_function

    return checked_call(self.db, *args, **kwargs)

  File "/home/kaly-7/odoo -dev/odoo-12.0/odoo/service/model.py", line 97, in wrapper

    return f(dbname, *args, **kwargs)

  File "/home/kaly-7/odoo -dev/odoo-12.0/odoo/http.py", line 337, in checked_call

    result = self.endpoint(*a, **kw)

  File "/home/kaly-7/odoo -dev/odoo-12.0/odoo/http.py", line 939, in __call__

    return self.method(*args, **kw)

  File "/home/kaly-7/odoo -dev/odoo-12.0/odoo/http.py", line 517, in response_wrap

    response = f(*args, **kw)

  File "/home/kaly-7/odoo -dev/odoo-12.0/addons/web/controllers/main.py", line 962, in call_kw

    return self._call_kw(model, method, args, kwargs)

  File "/home/kaly-7/odoo -dev/odoo-12.0/addons/web/controllers/main.py", line 954, in _call_kw

    return call_kw(request.env[model], method, args, kwargs)

  File "/home/kaly-7/odoo -dev/odoo-12.0/odoo/api.py", line 749, in call_kw

    return _call_kw_multi(method, model, args, kwargs)

  File "/home/kaly-7/odoo -dev/odoo-12.0/odoo/api.py", line 736, in _call_kw_multi

    result = method(recs, *args, **kwargs)

  File "/home/kaly-7/odoo -dev/odoo-12.0/odoo/models.py", line 2782, in read

    vals[name] = convert(record[name], record, use_name_get)

  File "/home/kaly-7/odoo -dev/odoo-12.0/odoo/models.py", line 5087, in __getitem__

    return self._fields[key].__get__(self, type(self))

  File "/home/kaly-7/odoo -dev/odoo-12.0/odoo/fields.py", line 980, in __get__

    self.determine_value(record)

  File "/home/kaly-7/odoo -dev/odoo-12.0/odoo/fields.py", line 1091, in determine_value

    self.compute_value(recs)

  File "/home/kaly-7/odoo -dev/odoo-12.0/odoo/fields.py", line 1047, in compute_value

    self._compute_value(records)

  File "/home/kaly-7/odoo -dev/odoo-12.0/odoo/fields.py", line 1038, in _compute_value

    getattr(records, self.compute)()

AttributeError: 'pers_io_money.account' object has no attribute 'pers_io_money.event._credit_account'


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最善の回答

Hello Daquin,

It is not possible call compute method direct like this,But you can try this code. which helps you to achieve your functionality.

class account (models.Model):
_name = 'pers_io_money.account'

credit = fields.Float (compute = "_ credit_account")

@ api.multi
def _credit_account (self):
for each in self:
event_ids = self.env ['pers_io_money .event ']. search ([(' account_id ',' = ', each.id)])
if event_ids:
each.credit = sum (event_ids.mapped (' amount '))


class event (models.Model):
_name = 'pers_io_money.event'

amount = fields.Float ()
account_id = fields.Many2one ('pers_io_money.account', String = "account")

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