'Return the bars.'

def __str__(self):

    (frac, whole) = modf(((self.size * self.percent) / 100.0))
    ret = (curses_bars[8] * int(whole))
    if (frac > 0):
        ret += curses_bars[int((frac * 8))]
        whole += 1
    ret += (self.__empty_char * int((self.size - whole)))
    if self.__with_text:
        ret = '{}{:5.1f}%'.format(ret, self.percent)
    return ret
