subsunacs - allow txt subtitles to be downloaded

libs/subliminal_patch/providers/subsunacs.py

@@ -171,11 +171,16 @@ class SubsUnacsProvider(Provider):
         subtitles = []
         type = 'episode' if isinstance(video, Episode) else 'movie'
         for file_name in archiveStream.namelist():
-            if file_name.lower().endswith(('.srt', '.sub')):
+            if file_name.lower().endswith(('.srt', '.sub', '.txt')):
+                file_is_txt = True if file_name.lower().endswith('.txt') else False
+                if file_is_txt and re.search(r'subsunacs\.net|танете част|прочети|^read ?me|procheti', file_name, re.I): 
+                    logger.info('Ignore readme txt file %r', file_name)
+                    continue
                 logger.info('Found subtitle file %r', file_name)
                 subtitle = SubsUnacsSubtitle(language, file_name, type, video, link)
                 subtitle.content = archiveStream.read(file_name)
-                subtitles.append(subtitle)
+                if file_is_txt == False or subtitle.is_valid():
+                    subtitles.append(subtitle)
         return subtitles
 
     def download_archive_and_add_subtitle_files(self, link, language, video ):