This function expands paths from the args and returns related stat entries.

  Args:
    args: An `rdf_file_finder.FileFinderArgs` object.

  Yields:
    `rdf_paths.PathSpec` instances.

def FileFinderOSFromClient(args):
  """This function expands paths from the args and returns related stat entries.

  Args:
    args: An `rdf_file_finder.FileFinderArgs` object.

  Yields:
    `rdf_paths.PathSpec` instances.
  """
  stat_cache = filesystem.StatCache()

  opts = args.action.stat

  for path in GetExpandedPaths(args):
    try:
      content_conditions = conditions.ContentCondition.Parse(args.conditions)
      for content_condition in content_conditions:
        with io.open(path, "rb") as fd:
          result = list(content_condition.Search(fd))
        if not result:
          raise _SkipFileException()
      # TODO: `opts.resolve_links` has type `RDFBool`, not `bool`.
      stat = stat_cache.Get(path, follow_symlink=bool(opts.resolve_links))
      stat_entry = client_utils.StatEntryFromStatPathSpec(
          stat, ext_attrs=opts.collect_ext_attrs)
      yield stat_entry
    except _SkipFileException:
      pass