ex-device-randomise.py

#!/usr/bin/env python3

#------------------------------------------------------------------------
# pylive: ex-device-randomise.py
#
# Once per beat, randomise a parameter of a random device.
#------------------------------------------------------------------------
import live
import random
import logging

logging.basicConfig(format="%(asctime)-15s %(message)s")
logging.getLogger("live").setLevel(logging.INFO)

set = live.Set()
set.scan(scan_devices = True)

tracks_with_devices = list(filter(lambda track: len(track.devices), set.tracks))
if len(tracks_with_devices) == 0:
    raise LiveException("Please open a Live set with at least one device")

set.play()

while True:
    set.wait_for_next_beat()

    #------------------------------------------------------------------------
    # Select a random parameter of a random device
    # (skipping param 0, which is always Device On/Off)
    #------------------------------------------------------------------------
    track = random.choice(tracks_with_devices)
    device = random.choice(track.devices)
    parameter = random.choice(device.parameters[1:])
    print("Track %s, device %s, parameter %s" % (track, device, parameter))

    parameter.randomise()