Adrian Torres
4b38cc6590
Multi is the default api for methods, it is not necessary to explicitly decorate methods with it, adds clutter and most people use it because they see that the rest of the code uses it. Done with `find . -type f -name '*.py' | xargs sed -i '/@api.multi/d'`
77 lines
3.4 KiB
Python
77 lines
3.4 KiB
Python
# -*- coding: utf-8 -*-
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from odoo import models, fields, api, _
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from odoo.exceptions import UserError
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class IrModelFields(models.Model):
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_inherit = 'ir.model.fields'
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ttype = fields.Selection(selection_add=[('serialized', 'serialized')])
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serialization_field_id = fields.Many2one('ir.model.fields', string='Serialization Field',
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ondelete='cascade', domain="[('ttype','=','serialized'), ('model_id', '=', model_id)]",
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help="If set, this field will be stored in the sparse structure of the "
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"serialization field, instead of having its own database column. "
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"This cannot be changed after creation.",
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)
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def write(self, vals):
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# Limitation: renaming a sparse field or changing the storing system is
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# currently not allowed
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if 'serialization_field_id' in vals or 'name' in vals:
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for field in self:
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if 'serialization_field_id' in vals and field.serialization_field_id.id != vals['serialization_field_id']:
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raise UserError(_('Changing the storing system for field "%s" is not allowed.') % field.name)
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if field.serialization_field_id and (field.name != vals['name']):
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raise UserError(_('Renaming sparse field "%s" is not allowed') % field.name)
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return super(IrModelFields, self).write(vals)
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def _reflect_model(self, model):
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super(IrModelFields, self)._reflect_model(model)
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# set 'serialization_field_id' on sparse fields; it is done here to
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# ensure that the serialized field is reflected already
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cr = self._cr
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query = """ UPDATE ir_model_fields
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SET serialization_field_id=%s
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WHERE model=%s AND name=%s
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RETURNING id
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"""
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fields_data = self._existing_field_data(model._name)
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for field in model._fields.values():
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ser_field_id = None
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ser_field_name = getattr(field, 'sparse', None)
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if ser_field_name:
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if ser_field_name not in fields_data:
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msg = _("Serialization field `%s` not found for sparse field `%s`!")
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raise UserError(msg % (ser_field_name, field.name))
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ser_field_id = fields_data[ser_field_name]['id']
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if fields_data[field.name]['serialization_field_id'] != ser_field_id:
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cr.execute(query, (ser_field_id, model._name, field.name))
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record = self.browse(cr.fetchone())
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self.pool.post_init(record.modified, ['serialization_field_id'])
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self.clear_caches()
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def _instanciate_attrs(self, field_data):
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attrs = super(IrModelFields, self)._instanciate_attrs(field_data)
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if field_data.get('serialization_field_id'):
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serialization_record = self.browse(field_data['serialization_field_id'])
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attrs['sparse'] = serialization_record.name
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return attrs
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class TestSparse(models.TransientModel):
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_name = 'sparse_fields.test'
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_description = 'Sparse fields Test'
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data = fields.Serialized()
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boolean = fields.Boolean(sparse='data')
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integer = fields.Integer(sparse='data')
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float = fields.Float(sparse='data')
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char = fields.Char(sparse='data')
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selection = fields.Selection([('one', 'One'), ('two', 'Two')], sparse='data')
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partner = fields.Many2one('res.partner', sparse='data')
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