Four on the Floor

midi-beats.py

# install: `pip install mido python-rtmidi`
import mido

counter = 0
step = 1
beat = 1
bar  = 1

viz = "+---+---+---+---"

print("\033[H\033[2J")

with mido.open_input() as inport:
    for message in inport:
        if message.type == 'start':
            counter = 0
            step = 1
            beat = 1
            bar  = 1
            print("\033[H\033[2JSTART")
        if message.type == 'clock':
            counter += 1
            v = int(counter / 6)
            step = v % 4 + 1
            beat = int(v / 4) % 4 + 1
            bar  = int(v / 16) + 1

            disp = viz[:(v % 16)] + ("O" if step == 1 else "o") + viz[(v % 16 + 1):]

            print(f"\033[F|{disp}| - {bar}:{beat}:{step}")