improve chinese language codes matching rules

bazarr/list_subtitles.py

@@ -545,10 +545,8 @@ def guess_external_subtitles(dest_folder, subtitles):
                     detected_language = guess_language(text)
                     #add simplified and traditional chinese detection
                     if detected_language == 'zh':
-                        simplified_chinese = [".chs", ".sc", ".zhs", ".hans", ".gb", u"简", u"双语"]
-                        if any(ext in str(subtitle_path).lower() for ext in simplified_chinese):
-                            detected_language == 'zh'
-                        else:
+                        traditional_chinese = [".cht", ".tc", ".traditional",".zh-tw", ".zht", "hant", "big5", u"繁", u"雙語"]
+                        if any(ext in (str(subtitle_path).lower())[:-16] for ext in traditional_chinese):
                             detected_language == 'zt'
                 except UnicodeDecodeError:
                     detector = Detector()

libs/subliminal_patch/core.py

@@ -637,8 +637,8 @@ def _search_external_subtitles(path, languages=None, only_one=False, scandir_gen
             hi = any(i for i in hi_tag if i in adv_tag)
 
         #add simplified/traditional chinese detection
-        simplified_chinese = ["chs", "sc", "zhs", "hans", "gb", u"简", u"双语"]
-        traditional_chinese = ["cht", "tc", "zht", "hant", "big5", u"繁", u"雙語"]
+        simplified_chinese = ["chs", "sc", "zhs", "hans","zh-hans", "gb", "简", "简中", "简体", "简体中文", "中英双语", "中日双语","中法双语"]
+        traditional_chinese = ["cht", "tc", "zht", "hant","zh-hant", "big5", "繁", "繁中", "繁体", "繁體","繁体中文", "繁體中文", "正體中文", "中英雙語", "中日雙語","中法雙語"]
         FULL_LANGUAGE_LIST.extend(simplified_chinese)
         FULL_LANGUAGE_LIST.extend(traditional_chinese)
         p_root = p_root.replace('zh-TW', 'zht')