docstr: Check if the file's inode has changed and reopen it if necessary.
  There are a variety of reasons what we would logically consider a file
  would have different inodes, such as log rotation or file syncing
  semantics.
docstr_tok: ["Check","if","the","file","'s","inode","has","changed","and","reopen","it","if","necessary",".","There","are","a","variety","of","reasons","what","we","would","logically","consider","a","file","would","have","different","inodes",",","such","as","log","rotation","or","file","syncing","semantics","."]
code: def reopen_if_necessary(self):
      """Check if the file's inode has changed and reopen it if necessary.
      There are a variety of reasons what we would logically consider a file
      would have different inodes, such as log rotation or file syncing
      semantics.
      """
      try:
          open_inode = None
          if self.file_handle and not self.file_handle.closed:
              open_inode = os.fstat(self.file_handle.fileno()).st_ino
  
          new_inode = os.stat(self.filename).st_ino
          if open_inode != new_inode:
              self.file_handle = open(self.filename, "rb")
              self.file_handle.seek(self.file_position)
      except Exception:
          logger.debug(
              f"file no longer exists, skip re-opening of {self.filename}"
          )
  
imports: import argparse
  import errno
  import glob
  import logging
  import logging.handlers
  import os
  import platform
  import re
  import shutil
  import time
  import traceback
  from typing import Callable, List, Optional, Set
  from ray._raylet import GcsClient
  import ray._private.ray_constants
  import ray._private.services
  import ray._private.utils
  from ray._private.ray_logging import setup_component_logger
label_desc: Use image node_id 2 for calling the LogFileInfo obj's underlying member method code with example usage: obj.reopen_if_necessary() without return types