Improve subtitle naming

resources/lib/path_ops.py

@@ -19,6 +19,8 @@ import shutil
 import os
 from os import path  # allows to use path_ops.path.join, for example
 from distutils import dir_util
+import re
+
 import xbmc
 import xbmcvfs
 
@@ -26,6 +28,7 @@ from .tools import unicode_paths
 
 # Kodi seems to encode in utf-8 in ALL cases (unlike e.g. the OS filesystem)
 KODI_ENCODING = 'utf-8'
+REGEX_FILE_NUMBERING = re.compile(r'''_(\d\d)\.\w+$''')
 
 
 def encode_path(path):
@@ -216,3 +219,25 @@ def basename(path):
             return path.rsplit('\\', 1)[1]
         except IndexError:
             return ''
+
+
+def create_unique_path(directory, filename, extension):
+    """
+    Checks whether 'directory/filename.extension' exists. If so, will start
+    numbering the filename until the file does not exist yet (up to 99)
+    """
+    res = path.join(directory, '.'.join((filename, extension)))
+    while exists(res):
+        occurance = REGEX_FILE_NUMBERING.search(res)
+        if not occurance:
+            filename = '{}_00'.format(filename[:min(len(filename),
+                                                    251 - len(extension))])
+            res = path.join(directory, '.'.join((filename, extension)))
+        else:
+            number = int(occurance.group(1)) + 1
+            if number > 99:
+                raise RuntimeError('Could not create unique file: {} {} {}'.format(
+                                   directory, filename, extension))
+            basename = re.sub(REGEX_FILE_NUMBERING, '', res)
+            res = '{}_{:02d}.{}'.format(basename, number, extension)
+    return res

resources/lib/playback_decision.py

@@ -351,12 +351,12 @@ def audio_subtitle_prefs(api, listitem):
     for stream in mediastreams:
         # Since Plex returns all possible tracks together, have to sort
         # them.
-        index = stream.attrib.get('id')
+        index = stream.get('id')
-        typus = stream.attrib.get('streamType')
+        typus = stream.get('streamType')
         # Audio
         if typus == "2":
-            codec = stream.attrib.get('codec')
+            codec = stream.get('codec')
-            channellayout = stream.attrib.get('audioChannelLayout', "")
+            channellayout = stream.get('audioChannelLayout', "")
             try:
                 track = "%s %s - %s %s" % (audio_numb + 1,
                                            stream.attrib['language'],
@@ -368,48 +368,42 @@ def audio_subtitle_prefs(api, listitem):
                                            codec,
                                            channellayout)
             audio_streams_list.append(index)
-            audio_streams.append(utils.try_encode(track))
+            audio_streams.append(track.encode('utf-8'))
             audio_numb += 1
 
         # Subtitles
         elif typus == "3":
             try:
-                track = "%s %s" % (sub_num + 1, stream.attrib['language'])
+                track = '{} {}'.format(sub_num, stream.attrib['displayTitle'])
             except KeyError:
-                track = "%s %s (%s)" % (sub_num + 1,
+                track = '{} {} ({})'.format(sub_num + 1,
                                             utils.lang(39707),  # unknown
-                                        stream.attrib.get('codec'))
+                                            stream.get('codec'))
-            default = stream.attrib.get('default')
+            default = stream.get('default')
-            forced = stream.attrib.get('forced')
+            forced = stream.get('forced')
-            downloadable = stream.attrib.get('key')
+            downloadable = stream.get('key')
 
             if default:
                 track = "%s - %s" % (track, utils.lang(39708))  # Default
             if forced:
                 track = "%s - %s" % (track, utils.lang(39709))  # Forced
             if downloadable:
-                # We do know the language - temporarily download
-                if 'language' in stream.attrib:
                 path = api.download_external_subtitles(
-                        '{server}%s' % stream.attrib['key'],
+                    '{{server}}{}'.format(stream.get('key')),
-                        "subtitle.%s.%s" % (stream.attrib['languageCode'],
+                    stream.get('displayTitle'),
-                                            stream.attrib['codec']))
+                    stream.get('codec'))
-                # We don't know the language - no need to download
+                if path:
-                else:
-                    path = api.attach_plex_token_to_url(
-                        "%s%s" % (app.CONN.server,
-                                  stream.attrib['key']))
                     downloadable_streams.append(index)
-                download_subs.append(utils.try_encode(path))
+                    download_subs.append(path.encode('utf-8'))
             else:
                 track = "%s (%s)" % (track, utils.lang(39710))  # burn-in
-            if stream.attrib.get('selected') == '1' and downloadable:
+            if stream.get('selected') == '1' and downloadable:
                 # Only show subs without asking user if they can be
                 # turned off
                 default_sub = index
 
             subtitle_streams_list.append(index)
-            subtitle_streams.append(utils.try_encode(track))
+            subtitle_streams.append(track.encode('utf-8'))
             sub_num += 1
 
     if audio_numb > 1:

resources/lib/plex_api/media.py

@@ -254,46 +254,33 @@ class Media(object):
         try:
             mediastreams = self.xml[0][self.part]
         except (TypeError, KeyError, IndexError):
-            return
+            return externalsubs
-        kodiindex = 0
-        fileindex = 0
         for stream in mediastreams:
             # Since plex returns all possible tracks together, have to pull
             # only external subtitles - only for these a 'key' exists
-            if cast(int, stream.get('streamType')) != 3:
+            if int(stream.get('streamType')) != 3 or 'key' not in stream.attrib:
-                # Not a subtitle
+                # Not a subtitle or not not an external subtitle
                 continue
-            # Only set for additional external subtitles NOT lying beside video
-            key = stream.get('key')
-            # Only set for dedicated subtitle files lying beside video
-            # ext = stream.attrib.get('format')
-            if key:
-                # We do know the language - temporarily download
-                if stream.get('languageCode') is not None:
-                    language = stream.get('languageCode')
-                    codec = stream.get('codec')
             path = self.download_external_subtitles(
-                        "{server}%s" % key,
+                '{server}%s' % stream.get('key'),
-                        "subtitle%02d.%s.%s" % (fileindex, language, codec))
+                stream.get('displayTitle'),
-                    fileindex += 1
+                stream.get('codec'))
-                # We don't know the language - no need to download
+            if path:
-                else:
-                    path = self.attach_plex_token_to_url(
-                        "%s%s" % (app.CONN.server, key))
                 externalsubs.append(path)
-                kodiindex += 1
         LOG.info('Found external subs: %s', externalsubs)
         return externalsubs
 
     @staticmethod
-    def download_external_subtitles(url, filename):
+    def download_external_subtitles(url, filename, extension):
         """
         One cannot pass the subtitle language for ListItems. Workaround; will
         download the subtitle at url to the Kodi PKC directory in a temp dir
 
         Returns the path to the downloaded subtitle or None
         """
-        path = path_ops.path.join(v.EXTERNAL_SUBTITLE_TEMP_PATH, filename)
+        path = path_ops.create_unique_path(v.EXTERNAL_SUBTITLE_TEMP_PATH,
+                                           filename,
+                                           extension)
         response = DU().downloadUrl(url, return_response=True)
         try:
             response.status_code
@@ -302,8 +289,8 @@ class Media(object):
             return
         else:
             LOG.debug('Writing temp subtitle to %s', path)
-            with open(path_ops.encode_path(path), 'wb') as filer:
+            with open(path_ops.encode_path(path), 'wb') as f:
-                filer.write(response.content)
+                f.write(response.content)
             return path
 
     def validate_playurl(self, path, typus, force_check=False, folder=False,