text: # vim: tabstop=4 shiftwidth=4 softtabstop=4
  
  # Copyright 2012 United States Government as represented by the
  # Administrator of the National Aeronautics and Space Administration.
  # All Rights Reserved.
  #
  # Copyright (c) 2012 Intel, Inc.
  #
  #    Licensed under the Apache License, Version 2.0 (the "License"); you may
  #    not use this file except in compliance with the License. You may obtain
  #    a copy of the License at
  #
  #         http://www.apache.org/licenses/LICENSE-2.0
  #
  #    Unless required by applicable law or agreed to in writing, software
  #    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  #    License for the specific language governing permissions and limitations
  #    under the License.
  
  from django.utils.translation import ugettext_lazy as _  # noqa
  
  from openstack_dashboard import api
  
  from horizon import exceptions
  from horizon import forms
  from horizon import messages
  
  
  class CreateExtraSpec(forms.SelfHandlingForm):
      key = forms.CharField(max_length="25", label=_("Key"))
      value = forms.CharField(max_length="25", label=_("Value"))
      flavor_id = forms.CharField(widget=forms.widgets.HiddenInput)
  
      def handle(self, request, data):
          try:
              api.nova.flavor_extra_set(request,
                                       data['flavor_id'],
                                       {data['key']: data['value']})
              msg = _('Created extra spec "%s".') % data['key']
              messages.success(request, msg)
              return True
          except Exception:
              exceptions.handle(request,
                                _("Unable to create flavor extra spec."))
  
  
  class EditExtraSpec(forms.SelfHandlingForm):
      key = forms.CharField(max_length="25", label=_("Key"))
      value = forms.CharField(max_length="25", label=_("Value"))
      flavor_id = forms.CharField(widget=forms.widgets.HiddenInput)
  
      def handle(self, request, data):
          flavor_id = data['flavor_id']
          try:
              api.nova.flavor_extra_set(request,
                                       flavor_id,
                                       {data['key']: data['value']})
              msg = _('Saved extra spec "%s".') % data['key']
              messages.success(request, msg)
              return True
          except Exception:
              exceptions.handle(request, _("Unable to edit extra spec."))
  