def download_playlist_by_search(self, playlist_name):
        """Download a playlist's songs by its name.

        :params playlist_name: playlist name.
        """

        try:
            playlist = self.crawler.search_playlist(
                playlist_name, self.quiet)
        except RequestException as exception:
            click.echo(exception)
        else:
            self.download_playlist_by_id(
                playlist.playlist_id, playlist.playlist_name)
Download a playlist's songs by its name.

        :params playlist_name: playlist name.