def handle_api_explorer_request(self, request, start_response):
redirect_url = self._get_explorer_redirect_url(<EOL>request.server, request.port, request.base_path)<EOL>return util.send_wsgi_redirect_response(redirect_url, start_response)<EOL>
Handler for requests to {base_path}/explorer.

        This calls start_response and returns the response body.

        Args:
          request: An ApiRequest, the request from the user.
          start_response: A function with semantics defined in PEP-333.

        Returns:
          A string containing the response body (which is empty, in this case).