code: def file_can_be_read(path):
      
      if path is None:
          return False
      try:
          with io.open(path, "rb") as test_file:
              pass
          return True
      except (IOError, OSError):
          pass
      return False
docs: Return ``True`` if the file at the given ``path`` can be read.
  
      :param string path: the file path
      :rtype: bool
  
      .. versionadded:: 1.4.0