add no-dual arg

fixes Audionut#605

Author: Audionut

src/args.py

@@ -105,6 +105,7 @@ def parse(self, args, meta):
         parser.add_argument('--no-year', dest='no_year', action='store_true', required=False, help="Remove Year from title")
         parser.add_argument('--no-aka', dest='no_aka', action='store_true', required=False, help="Remove AKA from title")
         parser.add_argument('--no-dub', dest='no_dub', action='store_true', required=False, help="Remove Dubbed from title")
+        parser.add_argument('--no-dual', dest='no_dual', action='store_true', required=False, help="Remove Dual-Audio from title")
         parser.add_argument('--no-tag', dest='no_tag', action='store_true', required=False, help="Remove Group Tag from title")
         parser.add_argument('--no-edition', dest='no_edition', action='store_true', required=False, help="Remove Edition from title")
         parser.add_argument('--dual-audio', dest='dual_audio', action='store_true', required=False, help="Add Dual-Audio to the title")

src/audio.py

@@ -197,7 +197,7 @@ async def get_audio_v2(mi, meta, bdinfo):
                     meta['bloated'] = True
                     time.sleep(5)
 
-                if (eng and (orig or non_en_non_commentary)) or (orig and non_en_non_commentary) and len(audio_tracks) > 1:
+                if (eng and (orig or non_en_non_commentary)) or (orig and non_en_non_commentary) and len(audio_tracks) > 1 and not meta.get('no_dual', False):
                     dual = "Dual-Audio"
                 elif eng and not orig and orig_lang not in ['zxx', 'xx', 'en', None] and not meta.get('no_dub', False):
                     dual = "Dubbed"