From a3673a6042f6cb4d8723bf8d5c831f5c7b3a8c65 Mon Sep 17 00:00:00 2001
From: mrwnslz <mrwnslz@pm.me>
Date: Fri, 16 Oct 2026 11:15:42 +0200
Subject: [PATCH] =?UTF-8?q?YouTube:=20Kanal=20eines=20Videos=20auch=20?=
 =?UTF-8?q?=C3=BCber=20externalChannelId=20finden?=
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 podcasts/test_youtube.py | 6 ++++++
 podcasts/youtube.py      | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/podcasts/test_youtube.py b/podcasts/test_youtube.py
index e52734c..3722fba 100644
--- a/podcasts/test_youtube.py
+++ b/podcasts/test_youtube.py
@@ -91,6 +91,12 @@ class ResolveTests(TestCase):
         self.assertEqual((found['title'], found['artwork']), ('', ''))
         self.assertEqual(seen, [youtube.WATCH + 'aaaaaaaaaaa'])
 
+    def test_a_video_whose_details_hold_objects_still_names_its_channel(self):
+        page = (f'<script>{{"channelId":"{FEATURED}"}};{{"videoDetails":{{"videoId":"aaaaaaaaaaa",'
+                f'"thumbnail":{{"x":1}},"channelId":"{CHANNEL}","isOwnerViewing":false}}}}</script>')
+        found, _ = self.resolve(youtube.WATCH + 'aaaaaaaaaaa', page)
+        self.assertEqual(found['feed'], f'{youtube.FEED}?channel_id={CHANNEL}')
+
     def test_a_playlist_has_its_own_feed(self):
         found, _ = self.resolve('https://www.youtube.com/playlist?list=PLabcdefghijk')
         self.assertEqual(found['feed'], f'{youtube.FEED}?playlist_id=PLabcdefghijk')
diff --git a/podcasts/youtube.py b/podcasts/youtube.py
index e8e53e2..d15fe6c 100644
--- a/podcasts/youtube.py
+++ b/podcasts/youtube.py
@@ -38,6 +38,8 @@ _OWN_CHANNEL = (
     r'"externalId":"(UC[\w-]{22})"',
     r'<meta itemprop="identifier" content="(UC[\w-]{22})"',
     r'"videoDetails":\{[^{}]*?"channelId":"(UC[\w-]{22})"',
+    r'"externalChannelId":"(UC[\w-]{22})"',             # a video's owner, in its microformat
+    r'"channelId":"(UC[\w-]{22})","isOwnerViewing"',    # videoDetails with braces before it
 )