Changeset 672 for trunk

Timestamp:

02/22/14 07:36:35 (11 years ago)

Author:

Nicholas Riley

Message:

StreamVision.py: Use notification userInfo for track information where possible.

Fixes several issues including StreamVision relaunching iTunes endlessly and no display of iTunes Store tracks.

Also (mostly) work around lack of track display when starting iTunes Radio station playback.

File:

• trunk/StreamVision/StreamVision.py (modified) (6 diffs)

trunk/StreamVision/StreamVision.py

@@ -157 +157 @@
     return AmuaApp().is_playing()
 
+def notifyTrackInfo(name, album=None, artist=None, rating=0, hasArtwork=False,
+                    streamTitle=None, streamURL=None, playing=True, onChange=False):
+    if not playing:
+        growlNotify('iTunes is not playing.', name)
+        return
+    turnStereoOnOrOff()
+
+    if streamURL:
+        if amuaPlaying():
+            if onChange: # Amua displays it itself
+                AmuaApp().display_song_information()
+            return
+        kw = {}
+        if streamURL and streamURL.endswith('.jpg'):
+            try:
+                response, content = http.request(streamURL)
+            except Exception, e:
+                import sys
+                print >> sys.stderr, 'Request for album art failed:', e
+            else:
+                if response['content-type'].startswith('image/'):
+                    kw['image'] = content
+        growlNotify(cleanStreamTitle(streamTitle),
+                    cleanStreamTrackName(name), **kw)
+        return
+
+    if not name:
+        growlNotify('iTunes is playing.', '')
+        return
+
+    kw = {}
+    if hasArtwork:
+        try:
+            kw['image'] = iTunesApp().current_track.artworks[1].data_().data
+        except CommandError:
+            pass
+
+    growlNotify(name + '  ' + u'★' * (rating / 20),
+                (album or '') + '\n' + (artist or ''),
+                **kw)
+
 class OneFileCache(object):
     __slots__ = ('key', 'cache')
@@ -184 +225 @@
     hotKeys = []
 
-    def displayTrackInfo(self, playerInfo=None):
+    def playerInfoChanged(self, playerInfo):
+        infoDict = dict(playerInfo.userInfo())
+        trackName = infoDict.get('Name', '')
+        playerState = infoDict.get('Player State')
+        if playerState != 'Playing':
+            notifyTrackInfo(trackName, playing=False, onChange=True)
+            return
+        url = infoDict.get('Stream URL')
+        if url:
+            notifyTrackInfo(trackName, streamTitle=infoDict.get('Stream Title'),
+                            streamURL=url, onChange=True)
+            return
+        artworkCount = int(infoDict.get('Artwork Count', 0))
+        # XXX When starting iTunes Radio station playback, we get 2 notifications,
+        # neither of which mention the track: the first has the station's artwork,
+        # the second doesn't.  On the 2nd notification, wait 10 seconds and try again.
+        # By then, we should have artwork.
+        if not infoDict.has_key('Total Time') and artworkCount == 0:
+            self.performSelector_withObject_afterDelay_(self.displayTrackInfo, None, 10)
+            return
+        notifyTrackInfo(trackName, infoDict.get('Album'), infoDict.get('Artist'),
+                        infoDict.get('Rating', 0), artworkCount > 0, onChange=True)
+
+    def displayTrackInfo(self):
         iTunes = iTunesApp()
 
@@ -201 +265 @@
             playerState = None # probably iTunes quit
         if playerState != k.playing:
-            if playerState != None:
-                growlNotify('iTunes is not playing.', trackName)
-            turnStereoOff()
-            return
-        turnStereoOnOrOff()
+            notifyTrackInfo(trackName, playing=False)
+            return
         if trackClass == k.URL_track:
-            if amuaPlaying():
-                if playerInfo is None: # Amua displays it itself
-                    AmuaApp().display_song_information()
-                return
             url = iTunes.current_stream_URL()
-            kw = {}
-            if url != k.missing_value and url.endswith('.jpg'):
-                try:
-                    response, content = self.http.request(url)
-                except Exception, e:
-                    import sys
-                    print >> sys.stderr, 'Request for album art failed:', e
-                else:
-                    if response['content-type'].startswith('image/'):
-                        kw['image'] = content
-            growlNotify(cleanStreamTitle(iTunes.current_stream_title()),
-                        cleanStreamTrackName(trackName), **kw)
+            if url == k.missing_value:
+                url = None
+            notifyTrackInfo(trackName, streamTitle=iTunes.current_stream_title(),
+                            streamURL=url)
             return
         if trackClass == k.property:
-            growlNotify('iTunes is playing.', '')
-            return
-        kw = {}
-        # XXX iTunes doesn't let you get artwork for shared tracks
-        if trackClass != k.shared_track:
-            artwork = iTunes.current_track.artworks()
-            if artwork:
-                try:
-                    kw['image'] = artwork[0].data_().data
-                except CommandError:
-                    pass
-        growlNotify(trackName + '  ' +
-                    u'★' * (iTunes.current_track.rating() / 20),
-                    iTunes.current_track.album() + '\n' +
-                    iTunes.current_track.artist(),
-                    **kw)
+            notifyTrackInfo(None)
+            return
+        # XXX iTunes doesn't let you get artwork for shared tracks (still?)
+        notifyTrackInfo(trackName, iTunes.current_track.album(), iTunes.current_track.artist(),
+                        iTunes.current_track.rating(), trackClass != k.shared_track)
 
     def defaultOutputDeviceChanged(self):
@@ -367 +405 @@
 
     def finishLaunching(self):
+        global http
+
         super(StreamVision, self).finishLaunching()
 
@@ -372 +412 @@
                                                      NSUserDomainMask, True)[0]
         cache = os.path.join(caches, 'StreamVision')
-        self.http = httplib2.Http(OneFileCache(cache), 5)
+        http = httplib2.Http(OneFileCache(cache), 5)
         self.imagePath = os.path.join(cache, 'image')
 
@@ -385 +425 @@
 
         distributedNotificationCenter = NSDistributedNotificationCenter.defaultCenter()
-        distributedNotificationCenter.addObserver_selector_name_object_(self, self.displayTrackInfo, 'com.apple.iTunes.playerInfo', None)
+        distributedNotificationCenter.addObserver_selector_name_object_(self, self.playerInfoChanged, 'com.apple.iTunes.playerInfo', None)
         distributedNotificationCenter.addObserver_selector_name_object_(self, self.terminate_, 'com.apple.logoutContinued', None)
         try: