old_contents: # Copyright (c) 2015 Canonical Ltd
  #
  #    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 pylxd import api
  from pylxd import exceptions as lxd_exceptions
  
  
  def upload_image(image):
      alias = "{}/{}/{}/{}".format(
          image["os"], image["release"], image["arch"], image["variant"]
      )
      lxd = api.API()
      imgs = api.API(host="images.linuxcontainers.org")
      d = imgs.alias_show(alias)
  
      meta = d[1]["metadata"]
      tgt = meta["target"]
  
      try:
          lxd.alias_update(meta)
      except lxd_exceptions.APIError as ex:
          if ex.status_code == 404:
              lxd.alias_create(meta)
  
      return tgt
  
  
  def delete_image(image):
      lxd = api.API()
      lxd.image_delete(image)
  
new_contents: # Copyright (c) 2015 Canonical Ltd
  #
  #    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 pylxd import api
  
  
  def delete_image(image):
      lxd = api.API()
      lxd.image_delete(image)
  
subject: Remove unused testing utility function