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one2many
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sridhar

Can't pass the value to one2many table, this is my code, previous version ODOO 8 this functionality is working but in ODOO 9 it is not working, in where I did a mistake kindly notify that.

My Error message is 
Odoo Server Error
Traceback (most recent call last):
  File "/home/sridharan/odoo-20151013/openerp/http.py", line 599, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "/home/sridharan/odoo-20151013/openerp/http.py", line 650, in dispatch
    return self._json_response(result)
  File "/home/sridharan/odoo-20151013/openerp/http.py", line 588, in _json_response
    body = json.dumps(response)
  File "/usr/lib/python2.7/json/__init__.py", line 243, in dumps
    return _default_encoder.encode(obj)
  File "/usr/lib/python2.7/json/encoder.py", line 207, in encode
    chunks = self.iterencode(o, _one_shot=True)
  File "/usr/lib/python2.7/json/encoder.py", line 270, in iterencode
    return _iterencode(o, 0)
  File "/usr/lib/python2.7/json/encoder.py", line 184, in default
    raise TypeError(repr(o) + " is not JSON serializable")
TypeError: <openerp.models.NewId object at 0x7f1d3a6d6610> is not JSON serializable
Code is here
def onchange_duplicate_supplier(self, cr, uid, ids, name, context=None):
        if name == False:
            return True
        if name != False:
            ls = []
            supplier_obj = self.pool.get('sample.supplier')
            bo_id = supplier_obj.search(cr, uid, [('name','ilike',name)])
            for line in supplier_obj.browse(cr, uid, bo_id):
                ls.append((0,0,{
                    'name' : line.name
                    }))
            return {'value': {'supplier_merge_ids':ls}}        
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Zahin

We getting same issue, one2many on onchange not working. upgrade is hell, working fine for us in older version but 9.0 had issues.

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sridhar
Author Best Answer 
@api.multi
    def onchange(self, values, field_name, field_onchange):
        try:
            match = onchange_v7.match(field_onchange[field_name])
            if match:
                method, params = match.groups()
                # evaluate params -> tuple
                global_vars = {'context': self._context, 'uid': self._uid}
                if self._context.get('field_parent'):
                    class RawRecord(object):
                        def __init__(self, record):
                            self._record = record
                        def __getattr__(self, name):
                            field = self._record._fields[name]
                            value = self._record[name]
                            return field.convert_to_onchange(value)
                    record = self[self._context['field_parent']]
                    global_vars['parent'] = RawRecord(record)
                params = eval("[%s]" % params, global_vars, values)
                # call onchange method with context when possible
                args = (self._cr, self._uid, self._ids) + tuple(params)
                try:
                    method_res = getattr(self._model, method)(*args, context=self._context)
                except TypeError:
                    method_res = getattr(self._model, method)(*args)
                return method_res
            super(model_name,self).onchange(values, field_name, field_onchange)
        except TypeError:
            return True
            pass

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