code: def get_file_url(self, key, method="GET"):
      if method == "GET":
          return self.client.generate_presigned_url(
              "get_object", Params={"Bucket": self.bucket, "Key": key}
          )
      elif method == "PUT":
          return self.client.generate_presigned_url(
              "put_object", Params={"Bucket": self.bucket, "Key": key}
          )
      else:
          raise ValueError(
              "Unknown method {0} in get_file_url()".format(method)
          )
  
imports: import calendar
  import os
  from urllib.parse import urlparse
  from boto3.s3.transfer import TransferConfig
  from boto3.session import Session
  import botocore
  from botocore.client import Config
  from botocore.handlers import set_list_objects_encoding_type_url
  from typing import Dict
  import re
  from studio.util import logs
  from studio.util import util
  from studio.credentials.credentials import Credentials, AWS_TYPE
  from studio.storage.storage_handler import StorageHandler
  from studio.storage.storage_type import StorageType
  from studio.storage.storage_setup import get_storage_verbose_level
label_desc: Use image node_id 12 for calling the S3StorageHandler obj's underlying member method code with example usage: obj.get_file_url(key, method) and returns: self, self