LastFMNotify.py

   1 #!/usr/bin/env python
   2
   3 import os
   4 import sys
   5 from time import sleep, time
   6 from hashlib import md5
   7 import urllib
   8 import logging
   9
  10 logging.basicConfig(filename="lastfmnotify.log", level = logging.DEBUG )
  11
  12 class NotifyNowPlaying():
  13   def __init__(self,user,password):
  14     self.user = user
  15     self.password = password
  16     self.client = "ark"
  17     self.version = "1.0"
  18     self.unixtimestamp = time().__int__()
  19
  20   def GenToken(self):
  21     self.auth = md5(md5(str(self.password)).hexdigest() + str(self.unixtimestamp)).hexdigest()
  22
  23   def Handshake(self):
  24     self.GenToken()
  25     response = urllib.urlopen("http://post.audioscrobbler.com/?hs=true&p=1.2&c=%s&v=%s&u=%s&t=%s&a=%s"%(self.client,self.version,self.user,self.unixtimestamp,self.auth))
  26     r = str(response.read()).split("\n")
  27     if r[0]=="OK":
  28       self.SessionId = r[1]
  29       self.UrlNotification = r[2]
  30       self.UrlSubmit = r[3]
  31       debug("Handshake OK")
  32       return True
  33     debug("Handshake Error")
  34     return False
  35
  36   def SendNotification(self,artist,track,album,sec,track_number,mb_trackid=""):
  37     params={}
  38     params['s'] = self.SessionId
  39     params['a'] = artist
  40     params['t'] = track
  41     params['b'] = album
  42     params['l'] = sec
  43     params['n'] = track
  44     params['m'] = mb_trackid
  45
  46     params = urllib.urlencode(params)
  47     response = urllib.urlopen(self.UrlNotification,params)
  48     r = str(response.read()).split("\n")
  49     if r[0]=="OK":
  50       debug("Notification sent")
  51       return True
  52     debug("Error while sending song data")
  53     return False
  54
  55 #####
  56 def debug( message ):
  57   """ Prints debug message to stdout """
  58   logging.debug(message)
  59
  60 # Notification callbacks. Implement these functions to react to specific notification
  61 # events from Amarok:
  62 def sendNotify():
  63   debug("sendNotify()")
  64   artist = str(os.popen("dcop amarok player artist").read().strip())
  65   track = str(os.popen("dcop amarok player title").read().strip())
  66   album = str(os.popen("dcop amarok player album").read().strip())
  67   sec = str(os.popen("dcop amarok player trackTotalTime").read().strip())
  68   pista = str(os.popen("dcop amarok player track").read().strip())
  69
  70   lastfm.Handshake()
  71   os.system("dcop amarok playlist shortStatusMessage 'Sending notification to Last.fm'")
  72   if lastfm.SendNotification(artist,track,album,sec,pista):
  73     sleep(3)
  74     os.system("dcop amarok playlist shortStatusMessage '%s - %s sent'"%(artist,track))
  75     return True
  76   os.system("dcop amarok playlist shortStatusMessage 'An error occurred while sending %s-%s'"%(artist,track))
  77   return None
  78
  79 #####
  80 user = None
  81 passwort = None
  82 lastfm = None
  83
  84 if __name__ == "__main__":
  85   user = os.popen("dcop amarok script readConfig 'ScrobblerUsername'").read().strip()
  86   password = os.popen("dcop amarok script readConfig 'ScrobblerPassword'").read().strip()
  87
  88   debug("Notifier Starting...")
  89   lastfm = NotifyNowPlaying(user, password)
  90
  91   # start main thread
  92   debug("Starting main thread...")
  93   while True:
  94     line = sys.stdin.readline()
  95
  96     if line:
  97       debug( "Received notification: %s " % line )
  98
  99       if line.find( "trackChange" ) == 0:
 100         debug("track changed!")
 101         sendNotify()
 102     else:
 103       break
 104