def generate_write_game((g, fk, fa, fd)):
    (fk, fa, fd) = tuple(','.join(imap(str,unique(sorted(l)))) for l in (fk, fa, fd))
    return 'P|%s|%s|%s|%s' % (g, fk, fa, fd)

def generate_write(event_iter):
    for (user_id, ignore, gl) in event_iter:
        if ignore:
            yield '%s\tI\n' % user_id
        else:
            yield '%s\t%s\n' % (user_id, ';'.join(imap(generate_write_game, gl)))