old_contents: # This file is part of Indico.
  # Copyright (C) 2002 - 2014 European Organization for Nuclear Research (CERN).
  #
  # Indico is free software; you can redistribute it and/or
  # modify it under the terms of the GNU General Public License as
  # published by the Free Software Foundation; either version 3 of the
  # License, or (at your option) any later version.
  #
  # Indico 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
  # General Public License for more details.
  #
  # You should have received a copy of the GNU General Public License
  # along with Indico; if not, see <http://www.gnu.org/licenses/>.
  
  from __future__ import unicode_literals
  
  from indico.core.plugins import IndicoPlugin
  
  from .forms import SettingsForm
  
  
  class ImporterInvenioPlugin(IndicoPlugin):
      """Importer for Invenio plugin
  
      Extends Indico Importer plugin with capabilites to import from Invenio.
      """
  
      settings_form = SettingsForm
  
new_contents: # This file is part of Indico.
  # Copyright (C) 2002 - 2014 European Organization for Nuclear Research (CERN).
  #
  # Indico is free software; you can redistribute it and/or
  # modify it under the terms of the GNU General Public License as
  # published by the Free Software Foundation; either version 3 of the
  # License, or (at your option) any later version.
  #
  # Indico 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
  # General Public License for more details.
  #
  # You should have received a copy of the GNU General Public License
  # along with Indico; if not, see <http://www.gnu.org/licenses/>.
  
  from __future__ import unicode_literals
  
  from indico_importer import ImporterEnginePluginBase
  
  from .forms import SettingsForm
  from .importer import InvenioImporter
  
  
  class ImporterInvenioPlugin(ImporterEnginePluginBase):
      """Importer for Invenio plugin
  
      Adds Invenio importer to Indico timetable import sources.
      """
  
      engine_class = InvenioImporter
      settings_form = SettingsForm
  
subject: Extend plugin from ImporterEnginePluginBase class