Fix subtitle languages showing up as unknown

- Fixes #342

resources/lib/PlexAPI.py

@@ -2369,11 +2369,15 @@ class API():
             # ext = stream.attrib.get('format')
             if key:
                 # We do know the language - temporarily download
-                if stream.attrib.get('language') is not None:
+                if stream.attrib.get('languageCode') is not None:
+                    try:
+                        language = v.LANGUAGECODE_TO_LANGUAGE[stream.attrib['languageCode']]
+                    except KeyError:
+                        language = stream.attrib['languageCode']
                     path = self.download_external_subtitles(
                         "{server}%s" % key,
                         "subtitle%02d.%s.%s" % (fileindex,
-                                                stream.attrib['language'],
+                                                language,
                                                 stream.attrib['codec']))
                     fileindex += 1
                 # We don't know the language - no need to download

resources/lib/variables.py

@@ -21,8 +21,66 @@ def tryDecode(string, encoding='utf-8'):
         string = string.decode()
     return string
 
+# When does Plex mark a video as completely played? 
 MARK_PLAYED_AT = 0.9
 
+# Matching table for using Plex XML's stream 'languageCode'
+LANGUAGECODE_TO_LANGUAGE = {
+    'afr': 'Afrikaans',
+    'ara': 'Arabic',
+    'hye': 'Armenian',
+    'bul': 'Bulgarian',
+    'cat': 'Catala',
+    'chi': 'Mandarin',
+    'hrv': 'Hrvatski',
+    'cze': 'Cesky',
+    'dan': 'Dansk',
+    'dut': 'Nederlands',
+    'eng': 'English',
+    'epo': 'Esperanto',
+    'fin': 'Suomi',
+    'fre': 'Francais',
+    'ger': 'Deutsch',
+    'geo': 'Georgian',
+    'gre': 'Greek',
+    'heb': 'Hebrew',
+    'hin': 'Hindi',
+    'hun': 'Magyar',
+    'ind': 'Bahasa Indonesia',
+    'gle': 'Gaeilge',
+    'ice': 'Islenska',
+    'ita': 'Italiano',
+    'jpn': 'Japanese',
+    'kor': 'Korean',
+    'kur': 'Kurdi',
+    'lat': 'Latin',
+    'mac': 'Macedonian',
+    'may': 'Malay',
+    'mlt': 'Malti',
+    'nep': 'Nepali',
+    'nor': 'Norsk',
+    'per': 'Persian',
+    'pol': 'Polszczyzna',
+    'por': 'Portugues',
+    'rum': 'Romana',
+    'rus': 'Russian',
+    'srp': 'Serbian',
+    'gla': 'Gaidhlig',
+    'slo': 'Slovencina',
+    'slv': 'Slovenski Jezik',
+    'spa': 'Espanol',
+    'swe': 'Svenska',
+    'tam': 'Tamil',
+    'tha': 'Thai',
+    'tur': 'Turkish',
+    'tah': 'Tahitian',
+    'ukr': 'Ukrainian',
+    'uzb': 'Ozbek',
+    'vie': 'Tieng Viet',
+    'wel': 'Cymraeg',
+    'yid': 'Yiddish',
+}
+
 _ADDON = Addon()
 ADDON_NAME = 'PlexKodiConnect'
 ADDON_ID = 'plugin.video.plexkodiconnect'