old_contents: # -*- 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/>.
  #
  ##############################################################################
  
  import logging
  from openerp.osv import orm, fields
  
  
  class CleanupPurgeLine(orm.AbstractModel):
      """ Abstract base class for the purge wizard lines """
      _name = 'cleanup.purge.line'
      _columns = {
          'name': fields.char('Name', size=256, readonly=True),
          'purged': fields.boolean('Purged', readonly=True),
          }
  
      logger = logging.getLogger('openerp.addons.database_cleanup')
  
      def purge(self, cr, uid, ids, context=None):
          raise NotImplementedError
  
  
  class PurgeWizard(orm.AbstractModel):
      """ Abstract base class for the purge wizards """
      _name = 'cleanup.purge.wizard'
  
      def default_get(self, cr, uid, fields, context=None):
          res = super(PurgeWizard, self).default_get(
              cr, uid, fields, context=context)
          if 'purge_line_ids' in fields:
              res['purge_line_ids'] = self.find(cr, uid, context=None)
          return res
  
      def find(self, cr, uid, ids, context=None):
          raise NotImplementedError
  
      def purge_all(self, cr, uid, ids, context=None):
          line_pool = self.pool[self._columns['purge_line_ids']._obj]
          for wizard in self.browse(cr, uid, ids, context=context):
              line_pool.purge(
                  cr, uid, [line.id for line in wizard.purge_line_ids],
                  context=context)
          return True
  
      _columns = {
          'name': fields.char('Name', size=64, readonly=True),
          }
  
new_contents: # -*- 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/>.
  #
  ##############################################################################
  
  import logging
  from openerp.osv import orm, fields
  
  
  class CleanupPurgeLine(orm.AbstractModel):
      """ Abstract base class for the purge wizard lines """
      _name = 'cleanup.purge.line'
      _order = 'name'
      _columns = {
          'name': fields.char('Name', size=256, readonly=True),
          'purged': fields.boolean('Purged', readonly=True),
          }
  
      logger = logging.getLogger('openerp.addons.database_cleanup')
  
      def purge(self, cr, uid, ids, context=None):
          raise NotImplementedError
  
  
  class PurgeWizard(orm.AbstractModel):
      """ Abstract base class for the purge wizards """
      _name = 'cleanup.purge.wizard'
  
      def default_get(self, cr, uid, fields, context=None):
          res = super(PurgeWizard, self).default_get(
              cr, uid, fields, context=context)
          if 'purge_line_ids' in fields:
              res['purge_line_ids'] = self.find(cr, uid, context=None)
          return res
  
      def find(self, cr, uid, ids, context=None):
          raise NotImplementedError
  
      def purge_all(self, cr, uid, ids, context=None):
          line_pool = self.pool[self._columns['purge_line_ids']._obj]
          for wizard in self.browse(cr, uid, ids, context=context):
              line_pool.purge(
                  cr, uid, [line.id for line in wizard.purge_line_ids],
                  context=context)
          return True
  
      _columns = {
          'name': fields.char('Name', size=64, readonly=True),
          }
  
subject: order wizard lines by name