docs: def get_capakey(registry):
      """
      Get the Capakey Gateway
  
      :rtype: :class:`crabpy.gateway.capakey.CapakeyRestGateway`
      """
      # argument might be a config or a request
      regis = getattr(registry, 'registry', None)
      if regis is None:
          regis = registry
  
      return regis.queryUtility(ICapakey)