VLC Remote Control for Pebble Watch

vlcrc.py

#Dependency:
#-libpebble with other required libs (e.g. lightblue etc)
#-py-vlcclient (https://github.com/DerMitch/py-vlcclient.git)
#it is assumed that pebble is already paired.

from vlcclient import VLCClient
import pebble as libpebble
import sys
import time

vlc_host = "localhost"
pebble_id = '<pebble-id>'
lightblue = True
pair = False

try:
    vlc = VLCClient(vlc_host)
    vlc.connect()
except:
    print("Cannot connect to vlc instance, check whether vlc is running or telnet interface is enabled")
    print("Error: " + str(sys.exc_info()))
    exit(1)

try:
    pebble = libpebble.Pebble(pebble_id, using_lightblue=lightblue, pair_first=pair)
except:
    vlc.disconnect();
    print("Cannot connect to pebble, check whether bluetooth is enabled in here and pebble")
    print("Error: " + str(sys.exc_info()))
    exit(1)

state = "stopped"

def update_metadata():
    global state
    status = vlc.status()
    if len(status.split(')')) > 3:
        movie = status.split(')')[0].split(':')[-1].split('/')[-1]
        volume = status.split(')')[1].split(':')[-1]
        #bug in vlc/vlc-client, not correct status is returned, rely manual status 
        #change in control_vlc() function
        #state = vlc.status().split(')')[2].split(':')[-1].split(' ')[-2]
        pebble.set_nowplaying_metadata(movie, 'Volume:' + volume, 'VLC ' + state)
    else:
        state = "stopped"
        pebble.set_nowplaying_metadata("No movie is playing", "", "VLC Player")

def control_vlc(event):
    global state
    if event == "playpause":
        if state == "paused":
            vlc.play()
            state = "playing"
        elif state == "playing":
            vlc.pause()
            state = "paused"
    if event == "ff":
        vlc.fastforward()
    if event == "rew":
        vlc.rewind()

def vlc_control_handler(endpoint, resp):
    events = {
        "PLAYPAUSE": "playpause",
        "PREVIOUS": "rew",
        "NEXT": "ff"
    }
    control_vlc(events[resp])
    update_metadata()

state = vlc.status().split(')')[2].split(':')[-1].split(' ')[-2]
update_metadata()
pebble.register_endpoint("MUSIC_CONTROL", vlc_control_handler)

print 'waiting for vlc control events'
try:
    while True:
        update_metadata()
        time.sleep(5)
except:
    vlc.disconnect()
    pebble.disconnect()