docs: def method_delegate(**methods):
      """
      Construct a renderer that delegates based on the request's HTTP method.
  
      """
  
      methods = {k.upper(): v for k, v in iteritems(methods)}
  
      if PY3:
          methods = {k.encode("utf-8"): v for k, v in iteritems(methods)}
  
      def render(request):
          renderer = methods.get(request.method)
          if renderer is None:
              return Response(code=405)
          return renderer(request)
      return render