Set user requested lang to requested_subtitles

Ge subtitle from subtitles if get subtitle by lang is empty, eg: uwIHyLPBZkY this video has jp and jp to others but jp to en is empty.

fetchYoutubeSubtitle.py

@@ -121,7 +121,7 @@ async def fetchSubtitlebyType(
     proxy: Optional[str] = None,
 ) -> dict:
     # lang-code or lang.* .* is regex
-    reqLang = lang if len(lang.split("-")) > 1 or lang.endswith(".*") else lang + ".*"
+    # reqLang = lang if len(lang.split("-")) > 1 or lang.endswith(".*") else lang + ".*"
 
     ydl_opts = {
         "noplaylist": True,
@@ -129,7 +129,10 @@ async def fetchSubtitlebyType(
         "writeautomaticsub": True,
         # "listsubtitles": True,
         # "subtitlesformat": subType, # mark due to default youtube no srt and xml format
-        "subtitleslangs": [reqLang],
+        "subtitleslangs": [
+            lang,
+            "-live_chat",
+        ],  # filter live chat to requested_subtitles
         "skip_download": True,
         "socket_timeout": 10,
         "extractor_retries": 0,
@@ -164,37 +167,46 @@ async def fetchSubtitlebyType(
                 isSrt = True
             if debug:
                 print(
-                    "subtitles.keys(): {} automatic_captions: {}".format(
+                    "subtitles.keys(): {} automatic_captions: {} requested_subtitles: {}".format(
                         info_dict.get("subtitles").keys(),
                         info_dict.get("automatic_captions").keys(),
+                        info_dict.get("requested_subtitles").keys(),
                     )
                 )
 
-            subtitle_url = getRequestedSubtitlesUrl(info_dict, lang, subType)
-            if not subtitle_url:
-                subtitle_url = getSubtitleLangUrl(info_dict, lang, subType)
-            if not subtitle_url:
-                subtitle_url = getSubtitleOtherUrl(info_dict, lang, subType)
-
-            if subtitle_url:
-                # print("subtitle_url: {}".format(subtitle_url))
-                with ydl.urlopen(subtitle_url) as response:
-                    subtitle = (
-                        xml_caption_to_srt(response.read().decode())
-                        if isSrt
-                        else response.read().decode()
-                    )
-                    print(
-                        "url:{}, title:{}, duration:{} len(subtitle): {}".format(
-                            url, title, duration, len(subtitle or "")
+            # subtitle_url = getRequestedSubtitlesUrl(info_dict, lang, subType)
+            # if not subtitle_url:
+            #     subtitle_url = getSubtitleLangUrl(info_dict, lang, subType)
+            # if not subtitle_url:
+            #     subtitle_url = getSubtitleOtherUrl(info_dict, lang, subType)
+
+            subtitle_funcs = [
+                getRequestedSubtitlesUrl,
+                getSubtitleLangUrl,
+                getSubtitleOtherUrl,
+            ]
+            for index in range(len(subtitle_funcs)):
+                subtitle_url = subtitle_funcs[index](info_dict, lang, subType)
+                if subtitle_url:
+                    # print("subtitle_url: {}".format(subtitle_url))
+                    with ydl.urlopen(subtitle_url) as response:
+                        subtitle = (
+                            xml_caption_to_srt(response.read().decode())
+                            if isSrt
+                            else response.read().decode()
                         )
-                    )
-                    return {
-                        "title": title,
-                        "duration": duration,
-                        "subtitle": subtitle,
-                        "chapters": info_dict.get("chapters", None),
-                    }
+                        print(
+                            "function index:{}, url:{}, title:{}, duration:{} len(subtitle): {}".format(
+                                index, url, title, duration, len(subtitle or "")
+                            )
+                        )
+                        if subtitle is not None:
+                            return {
+                                "title": title,
+                                "duration": duration,
+                                "subtitle": subtitle,
+                                "chapters": info_dict.get("chapters", None),
+                            }
     except Exception as e:
         print(e)
         traceback.print_exc()