[extractor/abc] Fix #6433 by add 2 re patterns

[meliber]

IMPORTANT: PRs without the template will be CLOSED

Description of your pull request and other information

ADD DESCRIPTION HERE

Fixes #6433

Template

Before submitting a pull request make sure you have:

• At least skimmed through contributing guidelines including yt-dlp coding conventions
• Searched the bugtracker for similar pull requests
• Checked the code with flake8 and ran relevant tests

In order to be accepted and merged into yt-dlp each piece of code must be in public domain or released under Unlicense. Check all of the following options that apply:

• I am the original author of this code and I am willing to release it under Unlicense
• I am not the original author of this code but it is in public domain or released under Unlicense (provide reliable evidence)

What is the purpose of your pull request?

• Fix or improvement to an extractor (Make sure to add/update tests)
• New extractor (Piracy websites will not be accepted)
• Core bug fix/improvement
• New feature (It is strongly recommended to open an issue first)

Copilot Summary

🤖 Generated by Copilot at 1e57797

Summary

🎥🆕🧪

Enhance ABCIE extractor to handle YouTube-embedded videos. Add a new test case for yt_dlp/extractor/abc.py.

Walkthrough

• Add logic to handle ABC-embedded videos in ABCIE extractor ([link](https://github.com/yt-dlp/yt-dlp/pull/7434/files?diff=unified&w=0#diff-65fb45ff5464c45c0963dd9a56a6ea7b3f85fab95e15cbd3fe360391c073051bR108-R116))

[bashonly]

instead of adding more if/else statements, I think this could be done like this

diff --git a/yt_dlp/extractor/abc.py b/yt_dlp/extractor/abc.py
index 0ca76b85a..b45e4d12c 100644
--- a/yt_dlp/extractor/abc.py
+++ b/yt_dlp/extractor/abc.py
@@ -12,6 +12,7 @@
     int_or_none,
     parse_iso8601,
     str_or_none,
+    traverse_obj,
     try_get,
     unescapeHTML,
     update_url_query,
@@ -107,7 +108,7 @@ def _real_extract(self, url):
                 video = True
 
         if mobj is None:
-            mobj = re.search(r'(?P<type>)"sources": (?P<json_data>\[[^\]]+\]),', webpage)
+            mobj = re.search(r'(?P<type>)"(?:sources|files|renditions)":\s*(?P<json_data>\[[^\]]+\])', webpage)
             if mobj is None:
                 mobj = re.search(
                     r'inline(?P<type>Video|Audio|YouTube)Data\.push\((?P<json_data>[^)]+)\);',
@@ -121,7 +122,7 @@ def _real_extract(self, url):
             urls_info = self._parse_json(
                 mobj.group('json_data'), video_id, transform_source=js_to_json)
             youtube = mobj.group('type') == 'YouTube'
-            video = mobj.group('type') == 'Video' or urls_info[0]['contentType'] == 'video/mp4'
+            video = mobj.group('type') == 'Video' or traverse_obj(urls_info, (0, 'contentType')) == 'video/mp4'
 
         if not isinstance(urls_info, list):
             urls_info = [urls_info]

[meliber]

instead of adding more if/else statements, I think this could be done like this

diff --git a/yt_dlp/extractor/abc.py b/yt_dlp/extractor/abc.py
index 0ca76b85a..b45e4d12c 100644
--- a/yt_dlp/extractor/abc.py
+++ b/yt_dlp/extractor/abc.py
@@ -12,6 +12,7 @@
     int_or_none,
     parse_iso8601,
     str_or_none,
+    traverse_obj,
     try_get,
     unescapeHTML,
     update_url_query,
@@ -107,7 +108,7 @@ def _real_extract(self, url):
                 video = True
 
         if mobj is None:
-            mobj = re.search(r'(?P<type>)"sources": (?P<json_data>\[[^\]]+\]),', webpage)
+            mobj = re.search(r'(?P<type>)"(?:sources|files|renditions)":\s*(?P<json_data>\[[^\]]+\])', webpage)
             if mobj is None:
                 mobj = re.search(
                     r'inline(?P<type>Video|Audio|YouTube)Data\.push\((?P<json_data>[^)]+)\);',
@@ -121,7 +122,7 @@ def _real_extract(self, url):
             urls_info = self._parse_json(
                 mobj.group('json_data'), video_id, transform_source=js_to_json)
             youtube = mobj.group('type') == 'YouTube'
-            video = mobj.group('type') == 'Video' or urls_info[0]['contentType'] == 'video/mp4'
+            video = mobj.group('type') == 'Video' or traverse_obj(urls_info, (0, 'contentType')) == 'video/mp4'
 
         if not isinstance(urls_info, list):
             urls_info = [urls_info]

That's way more better. Thank you.