Binary clock to stdout in python

binary_clock.py

# pylint:disable=C0111
import time

BRAILLE_UNICODE_OFFSET = 0x2800

# https://www.wikiwand.com/en/Braille_Patterns#/Identifying,_naming_and_ordering
# id of which braille balls that need to be ticked to represent nth dozen
UNITS = [
    0x0,
    0x80,
    0x20,
    0x80 + 0x20,
    0x10,
    0x10 + 0x80,
    0x10 + 0x20,
    0x10 + 0x20 + 0x80,
    0x8,
    0x8 + 0x80
]

# It is completly unecessary to add the codes together but I think it's harmless
# enough and self-documenting
# id of which braille balls that need to be ticked to represent nth unit
DOZENS = [
    0x0,
    0x40,
    0x4,
    0x4 + 0x40,
    0x2,
    0x2 + 0x40,
    0x2 + 0x4,
    0x2 + 0x40 + 0x4,
    0x1,
    0x1 + 0x40
]

DIGITS = []
for x in range(0, 10):
    for y in range(0, 10):
        # the ids of the balls needed to represent unit and the dozens
        # added together represent the unicode character code when
        # added to the braille offset (code of the empty braille symbol)
        DIGITS.append(chr(BRAILLE_UNICODE_OFFSET + DOZENS[x] + UNITS[y]))


def main():
    try:
        while True:
            time_tuple = time.localtime()
            # hours, secs, minutes
            time_tuple = time_tuple[3:6]
            time_str = ''
            for val in time_tuple:
                time_str += DIGITS[val] + ' '
            time_str.strip()
            print(time_str)
            time.sleep(1)
    except KeyboardInterrupt:
        return


if __name__ == '__main__':
    main()