You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
117 lines
4.8 KiB
117 lines
4.8 KiB
# -*- encoding: utf-8 -*-
|
|
##############################################################################
|
|
#
|
|
# OpenERP, Open Source Management Solution
|
|
# This module copyright (C) 2013 Therp BV (<http://therp.nl>)
|
|
# All Rights Reserved
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Affero General Public License as
|
|
# published by the Free Software Foundation, either version 3 of the
|
|
# License, or (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU Affero General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Affero General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
##############################################################################
|
|
from openerp.osv import orm
|
|
from openerp.tools.translate import _
|
|
|
|
|
|
class ir_model_fields(orm.Model):
|
|
_inherit = 'ir.model.fields'
|
|
|
|
def action_unserialize_field(self, cr, uid, ids, context=None):
|
|
step = 1000
|
|
offset = 0
|
|
|
|
# Prevent _auto_init to commit the transaction
|
|
# before the data is migrated safely
|
|
commit_org = cr.commit
|
|
cr.commit = lambda *args: None
|
|
|
|
try:
|
|
for this in self.browse(cr, uid, ids, context=context):
|
|
pool_obj = self.pool.get(this.model_id.model)
|
|
self.create_database_column(cr, uid, pool_obj, this.name,
|
|
context=context)
|
|
while True:
|
|
ids = pool_obj.search(
|
|
cr, uid,
|
|
[(this.serialization_field_id.name, '!=', '{}')],
|
|
offset=offset*step, limit=step, context=context)
|
|
if not ids:
|
|
break
|
|
for data in pool_obj.read(cr, uid, ids,
|
|
[this.serialization_field_id.name],
|
|
context=context):
|
|
self.unserialize_field(cr, uid, pool_obj, data,
|
|
this.serialization_field_id.name,
|
|
this.name, context=context)
|
|
offset += 1
|
|
finally:
|
|
cr.commit = commit_org
|
|
|
|
return True
|
|
|
|
def create_database_column(self, cr, uid, pool_obj, field_name,
|
|
context=None):
|
|
field_obj = self.pool.get('ir.model.fields')
|
|
|
|
old = pool_obj._columns[field_name]
|
|
if not old.manual:
|
|
raise orm.except_orm(
|
|
_('Error'),
|
|
_('This operation can only be performed on manual fields'))
|
|
if old._type == 'many2many':
|
|
# Cross table name length of manually created many2many
|
|
# fields can easily become too large. Although it would
|
|
# probably work if the table name length was within bounds,
|
|
# this scenario has not been tested because of this limitation.
|
|
raise orm.except_orm(
|
|
_("Error"),
|
|
_("Many2many fields are not supported. See "
|
|
"https://bugs.launchpad.net/openobject-server/+bug/1174078 "
|
|
"for more information"))
|
|
if old._type == 'one2many':
|
|
# How to get a safe field name for the relation field
|
|
# on the target model?
|
|
raise orm.except_orm(
|
|
_("Error"),
|
|
_("One2many fields are not handled yet"))
|
|
|
|
# ORM prohibits to change the 'storing system' of the field
|
|
cr.execute("""
|
|
UPDATE ir_model_fields
|
|
SET serialization_field_id = NULL
|
|
WHERE name = %s and model = %s
|
|
""", (field_name, pool_obj._name))
|
|
|
|
del pool_obj._columns[field_name]
|
|
pool_obj.__init__(self.pool, cr)
|
|
pool_obj._auto_init(cr, {'update_custom_fields': True})
|
|
|
|
def unserialize_field(self, cr, uid, pool_obj, read_record,
|
|
serialization_field_name, field_name,
|
|
context=None):
|
|
serialized_values = read_record[serialization_field_name]
|
|
if not field_name in serialized_values:
|
|
return False
|
|
|
|
value = serialized_values.pop(field_name)
|
|
if pool_obj._columns[field_name]._type in ('many2many', 'one2many'):
|
|
value = [(6, 0, value)]
|
|
|
|
return pool_obj.write(
|
|
cr, uid, read_record['id'],
|
|
{
|
|
field_name: value,
|
|
serialization_field_name: serialized_values,
|
|
},
|
|
context=context)
|
|
|