PostTunesAppDelegate.py

   1 #
   2 #  PostTunesAppDelegate.py
   3 #  PostTunes
   4 #
   5 #  Created by Joseph Spiros on 3/5/09.
   6 #  Copyright iThink Software 2009. All rights reserved.
   7 #
   8
   9 import objc
  10 from urllib import urlencode
  11 from urllib2 import urlopen, URLError
  12 from base64 import b64encode
  13 from Foundation import *
  14 from AppKit import *
  15 from ScriptingBridge import *
  16
  17 class PostTunesAppDelegate(NSObject):
  18         preferencesWindow = objc.IBOutlet()
  19         warnPreferences = objc.ivar(u"warnPreferences")
  20         warnFailure = objc.ivar(u"warnFailure")
  21         lastPersistentID = objc.ivar(u"lastPersistentID")
  22         handlerURL = objc.ivar(u"handlerURL")
  23         secretKey = objc.ivar(u"secretKey")
  24
  25         def init(self):
  26                 self = super(PostTunesAppDelegate, self).init()
  27                 if not self:
  28                         return None
  29                 self.warnPreferences = True
  30                 self.warnFailure = True
  31                 self.lastPersistentID = None
  32                 self.handlerURL = None
  33                 self.secretKey = None
  34                 self.observeNote()
  35                 return self
  36
  37         def observeNote(self):
  38                 NSDistributedNotificationCenter.defaultCenter().addObserver_selector_name_object_(self, "gotNotification:", "com.apple.iTunes.playerInfo", None)
  39
  40         def gotNotification_(self, notification):
  41                 self.handlerURL = NSUserDefaults.standardUserDefaults().stringForKey_("handlerURL")
  42                 self.secretKey = NSUserDefaults.standardUserDefaults().stringForKey_("secretKey")
  43                 if notification:
  44                         noteInfo = notification.userInfo()
  45                         playerState = noteInfo["Player State"]
  46                         if "PersistentID" in noteInfo:
  47                                 persistentID = noteInfo["PersistentID"]
  48                                 if (persistentID != self.lastPersistentID) and ("Name" in noteInfo):
  49                                         if playerState == "Playing":
  50                                                 if self.handlerURL:
  51                                                         # started playing a new track
  52                                                         # get the applescript track and make sure it's the same (compare name)
  53                                                         iTunes = SBApplication.applicationWithBundleIdentifier_("com.apple.iTunes")
  54                                                         iTunesTrack = iTunes.currentTrack()
  55                                                         if iTunesTrack.name() == noteInfo["Name"]:
  56                                                                 self.trackChanged_iTunesTrack_(noteInfo, iTunesTrack)
  57                                                                 self.lastPersistentID = persistentID
  58                                                 else:
  59                                                         NSLog(u"Track Not Posted: You have not provided PostTunes with the Handler URL to use.")
  60                                                         if self.warnPreferences:
  61                                                                 alert = NSAlert.alertWithMessageText_defaultButton_alternateButton_otherButton_informativeTextWithFormat_("Track Not Posted", "Open PostTunes Preferences", "Ignore", None, u"You have not provided PostTunes with the Handler URL to use.")
  62                                                                 if alert.runModal() == NSAlertDefaultReturn:
  63                                                                         self.preferencesWindow.makeKeyAndOrderFront_(self)
  64                                                                 elif alert.runModal() == NSAlertAlternateReturn:
  65                                                                         self.warnPreferences = False
  66
  67                         else:
  68                                 self.lastPersistentID = None
  69                                 # stopped playing
  70
  71         def trackChanged_iTunesTrack_(self, noteInfo, iTunesTrack):
  72                 trackData = {"title": noteInfo["Name"]}
  73                 if self.secretKey:
  74                         trackData["key"] = self.secretKey
  75                 if "Artist" in noteInfo:
  76                         trackData["artist"] = noteInfo["Artist"]
  77                 if "Album" in noteInfo:
  78                         trackData["album"] = noteInfo["Album"]
  79                 if "Store URL" in noteInfo:
  80                         trackData["url"] = noteInfo["Store URL"]
  81                 iTunesArtworks = iTunesTrack.artworks()
  82                 if len(iTunesArtworks) >= 1:
  83                         artwork = iTunesArtworks[0]
  84                         artworkTIFF = artwork.data().TIFFRepresentation()
  85                         artworkPNG = NSBitmapImageRep.imageRepWithData_(artworkTIFF).representationUsingType_properties_(NSPNGFileType, None)
  86                         trackData["artpng"] = b64encode(artworkPNG.bytes())
  87                 try:
  88                         urlopen(self.handlerURL, urlencode(trackData))
  89                 except URLError:
  90                         NSLog(u"PostTunes encountered an error when attempting to submit a track to: %s" % self.handlerURL)
  91                         if self.warnFailure:
  92                                 alert = NSAlert.alertWithMessageText_defaultButton_alternateButton_otherButton_informativeTextWithFormat_("Track Not Posted", "Open PostTunes Preferences", "Ignore", None, (u"PostTunes encountered an error when attempting to submit a track to:\n%s" % self.handlerURL))
  93                                 if alert.runModal() == NSAlertDefaultReturn:
  94                                         self.preferencesWindow.makeKeyAndOrderFront_(self)
  95                                 elif alert.runModal() == NSAlertAlternateReturn:
  96                                         self.warnFailure = False