'Shortcut method to get stat info on a node.
@param filePath: the node to stat.
@type filePath: C{filepath.FilePath}
@param keys: the stat keys to get.
@type keys: C{iterable}'

def _statNode(self, filePath, keys):

    filePath.restat()
    return [getattr(self, ('_stat_' + k))(filePath) for k in keys]
