client.py

import os
import zmq
import wiringpi

RED_PIN = 0
GREEN_PIN = 1
BLUE_PIN = 2

def main():
    context = zmq.Context()
    socket = context.socket(zmq.SUB)
    socket.setsockopt(zmq.SUBSCRIBE, '')
    socket.connect('tcp://192.168.2.1:7777')

    wiringpi.wiringPiSetup()
    wiringpi.softPwmCreate(RED_PIN, 0, 255)
    wiringpi.softPwmCreate(GREEN_PIN, 0, 255)
    wiringpi.softPwmCreate(BLUE_PIN, 0, 255)

    while True:
        data = socket.recv()
        red = int(data[:3])
        green = int(data[3:6])
        blue = int(data[6:9])

        wiringpi.softPwmWrite(RED_PIN, red)
        wiringpi.softPwmWrite(GREEN_PIN, green)
        wiringpi.softPwmWrite(BLUE_PIN, blue)

if __name__ == '__main__':
    main()

server.py

import os
import zmq
from bottle import run, route, static_file, template
import signal

zmq_port = '7777'
context = zmq.Context().instance()
socket = context.socket(zmq.PUB)
socket.bind('tcp://*:%s' % zmq_port)

@route('/')
def index():
    return template('index', var='value')

@route('/color/:param')
def color(param):
    socket.send(param)
    return ''

@route('/static/:filename#.*#')
def server_static(filename):
    return static_file(filename, root=os.path.join(os.path.dirname(__file__), 'static'))

run(host='0.0.0.0', port=80)