Add return duration if no subtitle.

fetchYoutubeSubtitle.py

@@ -49,12 +49,13 @@ async def fetchSubtitlebyType(url: str, lang: Optional[str] = 'en', subType="vtt
     }
 
     title = "unknow"
+    duration = ""
     try:
         with yt_dlp.YoutubeDL(ydl_opts) as ydl:
             info_dict = ydl.extract_info(url, download=False)
             title = info_dict.get("title", "unknow")
-            duration = info_dict.get("duration")
-            duration = str(duration) if duration else ""
+            seconds = info_dict.get("duration")
+            duration = str(seconds) if seconds else ""
             if info_dict.get("extractor") == "youtube" and subType == "srt":
                 subType = "xml"
 
@@ -68,7 +69,7 @@ async def fetchSubtitlebyType(url: str, lang: Optional[str] = 'en', subType="vtt
                             return {"title": title, "duration": duration,"subtitle": subtitle}
     except Exception as e:
         return {"error": str(e)}
-    return {"title": title,"error": "No subtitles"}
+    return {"title": title, "duration": duration, "error": "No subtitles"}
 
 def float_to_srt_time_format(d: float) -> str:
     """Convert decimal durations into proper srt format.
@@ -116,12 +117,13 @@ async def fetchSubtitleUrls(url: str) -> json:
         "skip_download": True,
     }
     title = "unknow"
+    duration = ""
     try:
         with yt_dlp.YoutubeDL(ydl_opts) as ydl:
             info_dict = ydl.extract_info(url, download=False)
             title = info_dict.get("title", "unknow")
-            duration = info_dict.get("duration")
-            duration = str(duration) if duration else ""
+            seconds = info_dict.get("duration")
+            duration = str(seconds) if seconds else ""
             if info_dict.get("subtitles"):
                 langs = info_dict.get("subtitles").keys()
                 if not (len(langs) == 1 and "live_chat" in langs):