print.py

#!/usr/bin/python3

import time
import tm1637

disp = [63, 6, 91, 79, 102, 109, 125, 7, 127, 111, 119, 108]
tm = tm1637.TM1637(clk=5, dio=4)

# all LEDS on "88:88"
def write(nums):
	tm.write(map(lambda x: disp[x], nums))

def local_time():
	tm = time.localtime()
	hours = tm[3]
	mins = tm[4]
	secs = tm[5]

	hoursFrac = hours + mins / 60. + secs / 3600.
	dayFrac = hoursFrac / 24
	bigSecs = dayFrac * 12 * 12 * 12 * 12

	disp = [0, 0, 0, 0]
	
	for i in [3, 2, 1, 0]:
		disp[i] = int(bigSecs) % 12
		bigSecs /= 12

	write(disp)

while True:
	local_time()
	time.sleep(3600. * 24 / 12 / 12 / 12 / 12)