--- /dev/null
+# -*- coding: utf-8 -*-
+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 = '\r%s:[%s%s]%d%%\t%d/%d' % (message, ">" * rate_num, " " * (40 - rate_num), rate_nums, num, total,)
+ sys.stdout.write(r)
+ sys.stdout.flush()
+
+
+def mkdir(path):
+ if not os.path.exists(path):
+ os.makedirs(path)
\ No newline at end of file