traktor_midi_clock_to_bpm.py

import mido, time

PORT = "Traktor Virtual Output"
inport = mido.open_input(PORT)
old_time = time.time()
new_time = 0
readings = list()
max_samples = 50

def mean(nums):
    return float(sum(nums)) / max(len(nums), 1)

while True:
    new_time = time.time()
    msg = inport.receive()
    print(msg)
    delta_time = new_time - old_time
    readings.append(delta_time)

    if len(readings) == max_samples:
        readings.pop(0)
    
    avg = mean(readings)
    
    old_time = new_time

    print(round(mido.tempo2bpm(avg*24*1000000), 2))