A Kodi add-on main script to spawn a Arduino->MQTT proxy

lwrf433.py

#!/usr/bin/python

import os
try:
    import xbmc
    import xbmcaddon
except ImportError, e:
    import time
    class xbmc:
        class Monitor:
            def abortRequested(self):
                return False
            def waitForAbort(self, delay):
                time.sleep(delay)
        @staticmethod
        def log(str):
            print str
        @staticmethod
        def executebuiltin(str):
            print "executebuiltin(%s)" % (str)
    class xbmcaddon:
        class Addon:
            def getSetting(self, setting):
                if setting == "ip_address": return "10.52.2.41"

ADDON_ID = "script.service.lwrf433"
ADDON_NAME = "lwrf433"
LISTENER_SCRIPT = "433listener.py"

addon = xbmcaddon.Addon()

def log(msg):
    xbmc.log("[" + ADDON_NAME + "] " + msg)

def main():
    log("Starting main function v1")

    monitor = xbmc.Monitor()

    while not monitor.abortRequested():

        try:
            # See if our script is running
            found = 0
            try:
                if os.path.exists("/tmp/433listener.py.pid"):
                    pid = open("/tmp/433listener.py.pid", "rb").read()
                    if os.path.exists(os.path.join("/proc", pid, "exe")):
                        found = 1
            except:
                pass

            if not found:
                addr = addon.getSetting('ip_address')
                log("Starting listener script " + LISTENER_SCRIPT + " with MQTT broker " + addr)
                xbmc.executebuiltin("RunScript(special://home/addons/%s/resources/scripts/%s,%s)" % (ADDON_ID, LISTENER_SCRIPT, addr))
        except Exception, e:
            log("Main loop exception: " + str(e))

        if monitor.waitForAbort(5):
            break

    log("All done")

if __name__ == '__main__':
    main()