showing progress dot on python.

progress.py

# Code by Jioh L. Jung (ziozzang@gmail.com)

import time, sys

dot = [ # from https://github.com/heroku/heroku-cli-util/blob/master/lib/spinners.json
		"⠋",
		"⠙",
		"⠹",
		"⠸",
		"⠼",
		"⠴",
		"⠦",
		"⠧",
		"⠇",
		"⠏"
	]
interval = 0.3 #sec

pos = 0
while True:
   print dot[pos]
   pos = (pos+1) % len(dot)
   time.sleep(interval)
   sys.stdout.write("\033[F") # Cursor up one line