Files
odoo_source/addons/base_sparse_field/models/models.py
T
fw-bot 91e4b00b8b [FIX] base_sparse_field,mail: handle None _instanciate_attrs override
The parent was expected to return a dict, but it can also return None in some
cases. When that happens, the overrides were crashing because it is impossible
to assign a key/val to None.

Note that using `if` conditions like this also prevents from writing on the dict
if it is existing but empty, but due to the definition of the parent, if there
is a dict, it will not be empty.

closes odoo/odoo#38316

X-original-commit: 3525fad3b1729286d139b19a4a92f1821d94ad88
Signed-off-by: Sébastien Theys (seb) <seb@odoo.com>
2019-10-10 06:27:09 +00:00

77 lines
3.4 KiB
Python

# -*- coding: utf-8 -*-
from odoo import models, fields, api, _
from odoo.exceptions import UserError
class IrModelFields(models.Model):
_inherit = 'ir.model.fields'
ttype = fields.Selection(selection_add=[('serialized', 'serialized')])
serialization_field_id = fields.Many2one('ir.model.fields', string='Serialization Field',
ondelete='cascade', domain="[('ttype','=','serialized'), ('model_id', '=', model_id)]",
help="If set, this field will be stored in the sparse structure of the "
"serialization field, instead of having its own database column. "
"This cannot be changed after creation.",
)
def write(self, vals):
# Limitation: renaming a sparse field or changing the storing system is
# currently not allowed
if 'serialization_field_id' in vals or 'name' in vals:
for field in self:
if 'serialization_field_id' in vals and field.serialization_field_id.id != vals['serialization_field_id']:
raise UserError(_('Changing the storing system for field "%s" is not allowed.') % field.name)
if field.serialization_field_id and (field.name != vals['name']):
raise UserError(_('Renaming sparse field "%s" is not allowed') % field.name)
return super(IrModelFields, self).write(vals)
def _reflect_model(self, model):
super(IrModelFields, self)._reflect_model(model)
# set 'serialization_field_id' on sparse fields; it is done here to
# ensure that the serialized field is reflected already
cr = self._cr
query = """ UPDATE ir_model_fields
SET serialization_field_id=%s
WHERE model=%s AND name=%s
RETURNING id
"""
fields_data = self._existing_field_data(model._name)
for field in model._fields.values():
ser_field_id = None
ser_field_name = getattr(field, 'sparse', None)
if ser_field_name:
if ser_field_name not in fields_data:
msg = _("Serialization field `%s` not found for sparse field `%s`!")
raise UserError(msg % (ser_field_name, field.name))
ser_field_id = fields_data[ser_field_name]['id']
if fields_data[field.name]['serialization_field_id'] != ser_field_id:
cr.execute(query, (ser_field_id, model._name, field.name))
record = self.browse(cr.fetchone())
self.pool.post_init(record.modified, ['serialization_field_id'])
self.clear_caches()
def _instanciate_attrs(self, field_data):
attrs = super(IrModelFields, self)._instanciate_attrs(field_data)
if attrs and field_data.get('serialization_field_id'):
serialization_record = self.browse(field_data['serialization_field_id'])
attrs['sparse'] = serialization_record.name
return attrs
class TestSparse(models.TransientModel):
_name = 'sparse_fields.test'
_description = 'Sparse fields Test'
data = fields.Serialized()
boolean = fields.Boolean(sparse='data')
integer = fields.Integer(sparse='data')
float = fields.Float(sparse='data')
char = fields.Char(sparse='data')
selection = fields.Selection([('one', 'One'), ('two', 'Two')], sparse='data')
partner = fields.Many2one('res.partner', sparse='data')