code: def cached_path_from_pm(url_or_filename):
      """
      Tries to cache the specified URL using PathManager class.
      Returns the cached path if success otherwise failure.
      """
      try:
          from fairseq.file_io import PathManager
  
          local_path = PathManager.get_local_path(url_or_filename)
          return local_path
      except Exception:
          return None
  
imports: import fnmatch
  import json
  import logging
  import os
  import shutil
  import tarfile
  import tempfile
  from functools import partial, wraps
  from hashlib import sha256
  from io import open
label_desc: Use image node_id 4 for calling a global function with example usage: cached_path_from_pm(url_or_filename) and returns: local_path, None