butts.py

#!/usr/bin/env python
import json
import paho.mqtt.client as mqtt
prog = []
leds = 50


def generate_frame(n, timeout):
    frame = [[n, n, n] for _ in range(0, 50)]
    return [frame, timeout]


for n in range(125):
    prog.append(generate_frame(n, 42))

for n in range(125, 0, -1):
    prog.append(generate_frame(n, 42))

c = mqtt.Client()
c.connect("mqtt.hacklab")
c.publish("xmas/tree", json.dumps(prog))
c.loop_forever()