file_util.py 文件源码

def RmDirs(dir_name):
  """Removes dir_name and every subsequently empty directory above it.

  Unlike os.removedirs and shutil.rmtree, this function doesn't raise an error
  if the directory does not exist.

  Args:
    dir_name: Directory to be removed.
  """
  try:
    shutil.rmtree(dir_name)
  except OSError, err:
    if err.errno != errno.ENOENT:
      raise

  try:
    parent_directory = os.path.dirname(dir_name)
    while parent_directory:
      try:
        os.rmdir(parent_directory)
      except OSError, err:
        if err.errno != errno.ENOENT:
          raise

      parent_directory = os.path.dirname(parent_directory)
  except OSError, err:
    if err.errno not in (errno.EACCES, errno.ENOTEMPTY, errno.EPERM):
      raise