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135 lines
5.2 KiB
135 lines
5.2 KiB
# -*- coding: utf-8 -*-
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##############################################################################
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#
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# OpenERP, Open Source Management Solution
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# This module copyright (C) 2014 Therp BV (<http://therp.nl>).
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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##############################################################################
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from openerp.osv import orm, fields
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from openerp.tools.translate import _
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from openerp.addons.base.ir.ir_model import MODULE_UNINSTALL_FLAG
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class IrModel(orm.Model):
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_inherit = 'ir.model'
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def _drop_table(self, cr, uid, ids, context=None):
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# Allow to skip this step during model unlink
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# The super method crashes if the model cannot be instantiated
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if context and context.get('no_drop_table'):
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return True
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return super(IrModel, self)._drop_table(cr, uid, ids, context=context)
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class CleanupPurgeLineModel(orm.TransientModel):
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_inherit = 'cleanup.purge.line'
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_name = 'cleanup.purge.line.model'
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_columns = {
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'wizard_id': fields.many2one(
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'cleanup.purge.wizard.model', 'Purge Wizard', readonly=True),
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}
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def purge(self, cr, uid, ids, context=None):
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"""
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Unlink models upon manual confirmation.
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"""
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model_pool = self.pool['ir.model']
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attachment_pool = self.pool['ir.attachment']
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constraint_pool = self.pool['ir.model.constraint']
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fields_pool = self.pool['ir.model.fields']
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relation_pool = self.pool['ir.model.relation']
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local_context = (context or {}).copy()
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local_context.update({
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MODULE_UNINSTALL_FLAG: True,
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'no_drop_table': True,
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})
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for line in self.browse(cr, uid, ids, context=context):
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cr.execute(
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"SELECT id, model from ir_model WHERE model = %s",
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(line.name,))
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row = cr.fetchone()
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if row:
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self.logger.info('Purging model %s', row[1])
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attachment_ids = attachment_pool.search(
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cr, uid, [('res_model', '=', line.name)], context=context)
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if attachment_ids:
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cr.execute(
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"UPDATE ir_attachment SET res_model = FALSE "
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"WHERE id in %s",
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(tuple(attachment_ids), ))
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constraint_ids = constraint_pool.search(
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cr, uid, [('model', '=', line.name)], context=context)
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if constraint_ids:
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constraint_pool.unlink(
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cr, uid, constraint_ids, context=context)
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relation_ids = fields_pool.search(
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cr, uid, [('relation', '=', row[1])], context=context)
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for relation in relation_ids:
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try:
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# Fails if the model on the target side
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# cannot be instantiated
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fields_pool.unlink(cr, uid, [relation],
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context=local_context)
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except KeyError:
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pass
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except AttributeError:
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pass
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relation_ids = relation_pool.search(
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cr, uid, [('model', '=', line.name)], context=context)
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for relation in relation_ids:
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relation_pool.unlink(cr, uid, [relation],
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context=local_context)
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model_pool.unlink(cr, uid, [row[0]], context=local_context)
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line.write({'purged': True})
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cr.commit()
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return True
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class CleanupPurgeWizardModel(orm.TransientModel):
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_inherit = 'cleanup.purge.wizard'
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_name = 'cleanup.purge.wizard.model'
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def default_get(self, cr, uid, fields, context=None):
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res = super(CleanupPurgeWizardModel, self).default_get(
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cr, uid, fields, context=context)
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if 'name' in fields:
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res['name'] = _('Purge models')
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return res
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def find(self, cr, uid, context=None):
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"""
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Search for models that cannot be instantiated.
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"""
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res = []
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cr.execute("SELECT model from ir_model")
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for (model,) in cr.fetchall():
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if not self.pool.get(model):
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res.append((0, 0, {'name': model}))
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if not res:
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raise orm.except_orm(
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_('Nothing to do'),
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_('No orphaned models found'))
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return res
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_columns = {
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'purge_line_ids': fields.one2many(
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'cleanup.purge.line.model',
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'wizard_id', 'Models to purge'),
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}
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