docs: def local_data(path):
      """Return tuples of names, directories, total sizes and files. Each
         directory represents a single film and the files are the files contained
         in the directory, such as video, audio and subtitle files."""
      dirs = [os.path.join(path, item) for item in os.listdir(path)]
      names, sizes, files = zip(*[(dir.split('/')[-1], str(get_size(dir)),
                                   '##'.join([file for file in os.listdir(dir)]))
                                  for dir in dirs])
      return zip(names, dirs, sizes, files)