old_contents: # -*- coding: utf-8 -*-
  # © 2014-2016 Therp BV <http://therp.nl>
  # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
  from openerp import _, api, fields, models
  from openerp.exceptions import UserError
  
  
  class CleanupPurgeLineMenu(models.TransientModel):
      _inherit = 'cleanup.purge.line'
      _name = 'cleanup.purge.line.menu'
  
      wizard_id = fields.Many2one(
          'cleanup.purge.wizard.menu', 'Purge Wizard', readonly=True)
      menu_id = fields.Many2one('ir.ui.menu', 'Menu entry')
  
      @api.multi
      def purge(self):
          self.mapped('menu_id').unlink()
          return self.write({'purged': True})
  
  
  class CleanupPurgeWizardMenu(models.TransientModel):
      _inherit = 'cleanup.purge.wizard'
      _name = 'cleanup.purge.wizard.menu'
      _description = 'Purge menus'
  
      @api.model
      def find(self):
          """
          Search for models that cannot be instantiated.
          """
          res = []
          for menu in self.env['ir.ui.menu'].with_context(active_test=False)\
                  .search([('action', '!=', False)]):
              if menu.action.type != 'ir.actions.act_window':
                  continue
              if menu.action.res_model not in self.env or\
                 menu.action.src_model not in self.env:
                  res.append((0, 0, {
                      'name': menu.complete_name,
                      'menu_id': menu.id,
                  }))
          if not res:
              raise UserError(_('No dangling menu entries found'))
          return res
  
      purge_line_ids = fields.One2many(
          'cleanup.purge.line.menu', 'wizard_id', 'Menus to purge')
  
new_contents: # -*- coding: utf-8 -*-
  # © 2014-2016 Therp BV <http://therp.nl>
  # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
  from openerp import _, api, fields, models
  from openerp.exceptions import UserError
  
  
  class CleanupPurgeLineMenu(models.TransientModel):
      _inherit = 'cleanup.purge.line'
      _name = 'cleanup.purge.line.menu'
  
      wizard_id = fields.Many2one(
          'cleanup.purge.wizard.menu', 'Purge Wizard', readonly=True)
      menu_id = fields.Many2one('ir.ui.menu', 'Menu entry')
  
      @api.multi
      def purge(self):
          self.mapped('menu_id').unlink()
          return self.write({'purged': True})
  
  
  class CleanupPurgeWizardMenu(models.TransientModel):
      _inherit = 'cleanup.purge.wizard'
      _name = 'cleanup.purge.wizard.menu'
      _description = 'Purge menus'
  
      @api.model
      def find(self):
          """
          Search for models that cannot be instantiated.
          """
          res = []
          for menu in self.env['ir.ui.menu'].with_context(active_test=False)\
                  .search([('action', '!=', False)]):
              if menu.action.type != 'ir.actions.act_window':
                  continue
              if (menu.action.res_model and menu.action.res_model not in
                  self.env) or \
                      (menu.action.src_model and menu.action.src_model not in
                          self.env):
                  res.append((0, 0, {
                      'name': menu.complete_name,
                      'menu_id': menu.id,
                  }))
          if not res:
              raise UserError(_('No dangling menu entries found'))
          return res
  
      purge_line_ids = fields.One2many(
          'cleanup.purge.line.menu', 'wizard_id', 'Menus to purge')
  
subject: clean database menus was proposing good menus to purge (#562)