Digital Stream by Ishtiaq Pias

digitalstream.py

import shutil,time,sys,random

MIN_STREAM_LENGTH = 5
MAX_STREAM_LENGTH = 15
DENSITY = 0.02
WIDTH = shutil.get_terminal_size()[0]
COLUMN = [0] * WIDTH
STREAM_CHARS = ['0', '1', '2', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F']
PAUSE = 0.1

print('Digital Streams by Ishtiaq Pias')
print('Press Ctrl-C to Stop')
time.sleep(1)


try:
    while True:
        for i, val in enumerate(COLUMN):
            if val <= 0:
                if random.random() <= DENSITY:
                    COLUMN[i] = random.randint(MIN_STREAM_LENGTH, MAX_STREAM_LENGTH)
                print(' ', end='')
            if val > 0:
                print(random.choice(STREAM_CHARS), end='')
                COLUMN[i] -= 1
            # print(val, end='')
        print()
        time.sleep(PAUSE)
        # input('Press Enter to continue')
except KeyboardInterrupt:
    sys.exit()