[extractor/youtube] Fix initial player response extraction

[yt-dlp.git] / yt_dlp / extractor / common.py

diff --git a/yt_dlp/extractor/common.py b/yt_dlp/extractor/common.py
index b24599d5ffb9156ecfb00b5c2b33ca5a8a94454b..5767662ed5ee065ed5e37a6fc33ebefc7bf986dd 100644 (file)
--- a/yt_dlp/extractor/common.py
+++ b/yt_dlp/extractor/common.py
@@ -1033,11 +1033,19 @@ def _download_json(
             expected_status=expected_status)
         return res if res is False else res[0]
 
-    def _parse_json(self, json_string, video_id, transform_source=None, fatal=True):
+    def _parse_json(self, json_string, video_id, transform_source=None, fatal=True, lenient=False):
         if transform_source:
             json_string = transform_source(json_string)
         try:
-            return json.loads(json_string, strict=False)
+            try:
+                return json.loads(json_string, strict=False)
+            except json.JSONDecodeError as e:
+                if not lenient:
+                    raise
+                try:
+                    return json.loads(json_string[:e.pos], strict=False)
+                except ValueError:
+                    raise e
         except ValueError as ve:
             errmsg = '%s: Failed to parse JSON ' % video_id
             if fatal: