Fix Kodi hanging if media stream selection is aborted

resources/lib/playback.py

@@ -413,6 +413,11 @@ def _conclude_playback(playqueue, pos):
     else:
         api = None
         playurl = item.file
+    if not playurl:
+        LOG.info('Did not get a playurl, aborting playback silently')
+        state.RESUME_PLAYBACK = False
+        pickler.pickle_me(result)
+        return
     listitem.setPath(utils.try_encode(playurl))
     if item.playmethod == 'DirectStream':
         listitem.setSubtitles(api.cache_external_subs())

resources/lib/playutils.py

@@ -24,12 +24,11 @@ class PlayUtils():
 
     def getPlayUrl(self):
         """
-        Returns the playurl for the part
+        Returns the playurl [unicode] for the part or returns None.
         (movie might consist of several files)
-
-        playurl is in unicode!
         """
-        self.api.mediastream_number()
+        if self.api.mediastream_number() is None:
+            return
         playurl = self.isDirectPlay()
         if playurl is not None:
             LOG.info("File is direct playing.")
@@ -232,8 +231,9 @@ class PlayUtils():
         stream by a PUT request to the PMS
         """
         # Set media and part where we're at
-        if self.api.mediastream is None:
+        if (self.api.mediastream is None and
-            self.api.mediastream_number()
+                self.api.mediastream_number() is None):
+            return
         try:
             mediastreams = self.api.plex_media_streams()
         except (TypeError, IndexError):

resources/lib/plex_api.py

@@ -203,7 +203,8 @@ class API(object):
             files are present for the same PMS item
         """
         if self.mediastream is None and force_first_media is False:
-            self.mediastream_number()
+            if self.mediastream_number() is None:
+                return
         try:
             if force_first_media is False:
                 ans = self.item[self.mediastream][self.part].attrib['file']
@@ -1294,6 +1295,9 @@ class API(object):
         Returns the Media stream as an int (mostly 0). Will let the user choose
         if several media streams are present for a PMS item (if settings are
         set accordingly)
+
+        Returns None if the user aborted selection (leaving self.mediastream at
+        its default of None)
         """
         # How many streams do we have?
         count = 0
@@ -1345,6 +1349,9 @@ class API(object):
                 option = utils.try_encode(option.strip())
                 dialoglist.append(option)
             media = utils.dialog('select', 'Select stream', dialoglist)
+            if media == -1:
+                LOG.info('User cancelled media stream selection')
+                return
         else:
             media = 0
         self.mediastream = media
@@ -1371,8 +1378,8 @@ class API(object):
 
         TODO: mediaIndex
         """
-        if self.mediastream is None:
+        if self.mediastream is None and self.mediastream_number() is None:
-            self.mediastream_number()
+            return
         if quality is None:
             quality = {}
         xargs = clientinfo.getXArgsDeviceInfo()