from __future__ import division, print_function, absolute_import
import math
import sys
import os


def view_bar(message, num, total):
    rate = num / total
    rate_num = int(rate * 40)
    rate_nums = math.ceil(rate * 100)
    r = "{}:[{}{}]{}%\t{}/{}\r".format(message, ">" * rate_num, " " * (40 - rate_num), rate_nums, num, total)
    sys.stdout.write(r)
    sys.stdout.flush()