old_contents: # Copyright (c) 2015 Ansible, Inc..
  # All Rights Reserved.
  
  import json
  from django.conf import settings as django_settings
  from awx.main.models.configuration import TowerSettings
  
  class TowerConfiguration(object):
  
      def __getattr__(self, key):
          ts = TowerSettings.objects.filter(key=key)
          if not ts.exists():
              return getattr(django_settings, key)
          return ts[0].value_converted
  
      def create(key, value):
          settings_manifest = django_settings.TOWER_SETTINGS_MANIFEST
          if key not in settings_manifest:
              raise AttributeError("Tower Setting with key '{0}' does not exist".format(key))
          settings_entry = settings_manifest[key]
          setting_actual = TowerSettings.objects.filter(key=key)
          if not settings_actual.exists():
              settings_actual = TowerSettings(key=key,
                                              description=settings_entry['description'],
                                              category=settings_entry['category'],
                                              value=value,
                                              value_type=settings_entry['type'])
          else:
              settings_actual['value'] = value
          settings_actual.save()
  
  tower_settings = TowerConfiguration()
  
new_contents: # Copyright (c) 2015 Ansible, Inc..
  # All Rights Reserved.
  
  import json
  from django.conf import settings as django_settings
  from awx.main.models.configuration import TowerSettings
  
  class TowerConfiguration(object):
  
      # TODO: Caching so we don't have to hit the database every time for settings
      def __getattr__(self, key):
          ts = TowerSettings.objects.filter(key=key)
          if not ts.exists():
              return getattr(django_settings, key)
          return ts[0].value_converted
  
      def create(key, value):
          settings_manifest = django_settings.TOWER_SETTINGS_MANIFEST
          if key not in settings_manifest:
              raise AttributeError("Tower Setting with key '{0}' does not exist".format(key))
          settings_entry = settings_manifest[key]
          setting_actual = TowerSettings.objects.filter(key=key)
          if not settings_actual.exists():
              settings_actual = TowerSettings(key=key,
                                              description=settings_entry['description'],
                                              category=settings_entry['category'],
                                              value=value,
                                              value_type=settings_entry['type'])
          else:
              settings_actual['value'] = value
          settings_actual.save()
  
  tower_settings = TowerConfiguration()
  
subject: Add a note about caching