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# -*- coding: utf-8 -*-
##############################################################################
#
# OpenERP, Open Source Management Solution
# This module copyright (C) 2014 Therp BV (<http://therp.nl>).
#
# 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, fields
from openerp.tools.translate import _
from openerp.addons.base.ir.ir_model import MODULE_UNINSTALL_FLAG
class IrModel(orm.Model):
_inherit = 'ir.model'
def _drop_table(self, cr, uid, ids, context=None):
# Allow to skip this step during model unlink
# The super method crashes if the model cannot be instantiated
if context and context.get('no_drop_table'):
return True
return super(IrModel, self)._drop_table(cr, uid, ids, context=context)
class CleanupPurgeLineModel(orm.TransientModel):
_inherit = 'cleanup.purge.line'
_name = 'cleanup.purge.line.model'
_columns = {
'wizard_id': fields.many2one(
'cleanup.purge.wizard.model', 'Purge Wizard', readonly=True),
}
def purge(self, cr, uid, ids, context=None):
"""
Unlink models upon manual confirmation.
"""
model_pool = self.pool['ir.model']
attachment_pool = self.pool['ir.attachment']
constraint_pool = self.pool['ir.model.constraint']
fields_pool = self.pool['ir.model.fields']
local_context = (context or {}).copy()
local_context.update({
MODULE_UNINSTALL_FLAG: True,
'no_drop_table': True,
})
for line in self.browse(cr, uid, ids, context=context):
cr.execute(
"SELECT id, model from ir_model WHERE model = %s",
(line.name,))
row = cr.fetchone()
if row:
self.logger.info('Purging model %s', row[1])
attachment_ids = attachment_pool.search(
cr, uid, [('res_model', '=', line.name)], context=context)
if attachment_ids:
cr.execute(
"UPDATE ir_attachment SET res_model = FALSE "
"WHERE id in %s",
(tuple(attachment_ids), ))
constraint_ids = constraint_pool.search(
cr, uid, [('model', '=', line.name)], context=context)
if constraint_ids:
constraint_pool.unlink(
cr, uid, constraint_ids, context=context)
relation_ids = fields_pool.search(
cr, uid, [('relation', '=', row[1])], context=context)
for relation in relation_ids:
try:
# Fails if the model on the target side
# cannot be instantiated
fields_pool.unlink(cr, uid, [relation],
context=local_context)
except AttributeError:
pass
model_pool.unlink(cr, uid, [row[0]], context=local_context)
line.write({'purged': True})
cr.commit()
return True
class CleanupPurgeWizardModel(orm.TransientModel):
_inherit = 'cleanup.purge.wizard'
_name = 'cleanup.purge.wizard.model'
def default_get(self, cr, uid, fields, context=None):
res = super(CleanupPurgeWizardModel, self).default_get(
cr, uid, fields, context=context)
if 'name' in fields:
res['name'] = _('Purge models')
return res
def find(self, cr, uid, context=None):
"""
Search for models that cannot be instantiated.
"""
res = []
cr.execute("SELECT model from ir_model")
for (model,) in cr.fetchall():
if not self.pool.get(model):
res.append((0, 0, {'name': model}))
if not res:
raise orm.except_orm(
_('Nothing to do'),
_('No orphaned models found'))
return res
_columns = {
'purge_line_ids': fields.one2many(
'cleanup.purge.line.model',
'wizard_id', 'Models to purge'),
}