code: def init_ray_and_catch_exceptions() -> Callable:
      """Decorator to be used on methods that require being connected to Ray."""
  
      def decorator_factory(f: Callable) -> Callable:
          @functools.wraps(f)
          async def decorator(self, *args, **kwargs):
              try:
                  if not ray.is_initialized():
                      try:
                          address = self.get_gcs_address()
                          logger.info(
                              f"Connecting to ray with address={address}"
                          )
                          # Set the gcs rpc timeout to shorter
                          os.environ[
                              "RAY_gcs_server_request_timeout_seconds"
                          ] = str(
                              dashboard_consts.GCS_RPC_TIMEOUT_SECONDS
                          )
                          # Init ray without logging to driver
                          # to avoid infinite logging issue.
                          ray.init(
                              address=address,
                              log_to_driver=False,
                              configure_logging=False,
                              namespace=RAY_INTERNAL_DASHBOARD_NAMESPACE,
                              _skip_env_hook=True,
                          )
                      except Exception as e:
                          ray.shutdown()
                          raise e from None
                  return await f(self, *args, **kwargs)
              except Exception as e:
                  logger.exception(f"Unexpected error in handler: {e}")
                  return Response(
                      text=traceback.format_exc(),
                      status=aiohttp.web.HTTPInternalServerError.status_code,
                  )
  
          return decorator
  
      return decorator_factory
  
imports: import asyncio
  import collections
  import functools
  import inspect
  import json
  import logging
  import os
  import time
  import traceback
  from collections import namedtuple
  from typing import Any, Callable
  from aiohttp.web import Response
  import ray
  import ray.dashboard.consts
  from ray._private.ray_constants import RAY_INTERNAL_DASHBOARD_NAMESPACE, env_bool
  from ray.dashboard.optional_deps import PathLike, RouteDef, aiohttp, hdrs
  from ray.dashboard.utils import CustomEncoder, to_google_style
label_desc: Use image node_id 4 for calling a global function with example usage: init_ray_and_catch_exceptions() and returns: decorator_factory, decorator, unknown, Response