old_contents: # This file is part of Indico.
  # Copyright (C) 2002 - 2016 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 flask import session
  
  from indico.core import signals
  from indico.core.logger import Logger
  from indico.modules.events.settings import EventSettingsProxy
  from indico.web.flask.util import url_for
  from indico.web.menu import SideMenuItem
  
  logger = Logger.get('events.features')
  event_settings = EventSettingsProxy('features', {
      'enabled': None
  })
  
  
  @signals.menu.items.connect_via('event-management-sidemenu')
  def _extend_event_management_menu(sender, event, **kwargs):
      if not event.can_manage(session.user):
          return
      return SideMenuItem('features', 'Features', url_for('event_features.index', event), section='advanced')
  
  
  @signals.app_created.connect
  def _check_feature_definitions(app, **kwargs):
      # This will raise RuntimeError if the feature names are not unique
      from indico.modules.events.features.util import get_feature_definitions
      get_feature_definitions()
  
new_contents: # This file is part of Indico.
  # Copyright (C) 2002 - 2016 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 flask import session
  
  from indico.core import signals
  from indico.core.logger import Logger
  from indico.modules.events.settings import EventSettingsProxy
  from indico.web.flask.util import url_for
  from indico.web.menu import SideMenuItem
  
  logger = Logger.get('events.features')
  event_settings = EventSettingsProxy('features', {
      'enabled': None
  })
  
  
  @signals.menu.items.connect_via('event-management-sidemenu')
  def _extend_event_management_menu(sender, event, **kwargs):
      if not event.can_manage(session.user):
          return
      return SideMenuItem('features', 'Features', url_for('event_features.index', event), section='advanced')
  
  
  @signals.app_created.connect
  def _check_feature_definitions(app, **kwargs):
      # This will raise RuntimeError if the feature names are not unique
      from indico.modules.events.features.util import get_feature_definitions
      get_feature_definitions()
  
  
  @signals.event.type_changed.connect
  def _event_type_changed(event, **kwargs):
      from indico.modules.events.features.util import (get_enabled_features, get_disallowed_features, set_feature_enabled,
                                                       format_feature_names)
      for feature in get_enabled_features(event, only_explicit=True) & get_disallowed_features(event):
          set_feature_enabled(event, feature, False)
  
subject: Disable disallowed features on type change