code: def run_download_media(filename=None):
      
      if not filename:
          filename = settings.MEDIA_DUMP_FILENAME
      if env.key_filename:
          ssh = settings.PROJECT_NAME
      else:
          ssh = '{0}@{1}'.format(env.user, env.host_string)
      local('scp {0}:{1}{2} .'.format(
          ssh, settings.FAB_SETTING('SERVER_MEDIA_BACKUP_DIR'), filename))
docs: Downloads the media dump from the server into your local machine.
  
      In order to import the downloaded media dump, run ``fab import_media``
  
      Usage::
  
          fab prod run_download_media
          fab prod run_download_media:filename=foobar.tar.gz