code: def read_handle(url, cache=None, mode="rb"):
      """Read from any URL with a file handle.
  
      Use this to get a handle to a file rather than eagerly load the data:
  
      ```
      with read_handle(url) as handle:
      result = something.load(handle)
  
      result.do_something()
  
      ```
  
      When program execution leaves this `with` block, the handle will be closed
      automatically.
  
      Args:
          url: a URL including scheme or a local path
      Returns:
          A file handle to the specified resource if it could be reached.
          The handle will be closed automatically once execution leaves this context.
      """
      url = scope_url(url)
  
      scheme = urlparse(url).scheme
  
      if cache == "purge":
          _purge_cached(url)
          cache = None
  
      if _is_remote(scheme) and cache is None:
          cache = True
          log.debug(
              "Cache not specified, enabling because resource is remote."
          )
  
      if cache:
          handle = _read_and_cache(url, mode=mode)
      else:
          if scheme in ("http", "https"):
              handle = _handle_web_url(url, mode=mode)
          elif scheme in ("gs"):
              handle = _handle_gfile(url, mode=mode)
          else:
              handle = open(url, mode=mode)
  
      yield handle
      handle.close()
  
imports: from contextlib import contextmanager
  import hashlib
  import os
  import re
  import logging
  from urllib.parse import urlparse
  from urllib import request
  from tensorflow.io.gfile import GFile
  import tensorflow
  from tempfile import gettempdir
  import gc
  from filelock import FileLock
  from lucid.misc.io.writing import write_handle
  from lucid.misc.io.scoping import scope_url
  from functools import partial
label_desc: Use image node_id 2 for calling a global function with example usage: read_handle(url, cache, mode) without return types