From 7738bd32722154a26f70006e0fe586f40d06e606 Mon Sep 17 00:00:00 2001
From: Mohammad Khaled AbouElSherbini
 <50295916+MKSherbini@users.noreply.github.com>
Date: Sat, 18 Sep 2021 13:33:06 +0200
Subject: [PATCH] [Oreilly] Handle new web url (#990)

The change in URL is most likely a server side issue. But we can work around it by a simple substitution

Authored by: MKSherbini
---
 yt_dlp/extractor/safari.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/yt_dlp/extractor/safari.py b/yt_dlp/extractor/safari.py
index c92e8849b..fbbbc7e77 100644
--- a/yt_dlp/extractor/safari.py
+++ b/yt_dlp/extractor/safari.py
@@ -193,7 +193,12 @@ def _real_extract(self, url):
         part = self._download_json(
             url, '%s/%s' % (mobj.group('course_id'), mobj.group('part')),
             'Downloading part JSON')
-        return self.url_result(part['web_url'], SafariIE.ie_key())
+        web_url = part['web_url']
+        if 'library/view' in web_url:
+            web_url = web_url.replace('library/view', 'videos')
+            natural_keys = part['natural_key']
+            web_url = f'{web_url.rsplit("/")[0]}/{natural_keys[0]}-{natural_keys[1][:-5]}'
+        return self.url_result(web_url, SafariIE.ie_key())
 
 
 class SafariCourseIE(SafariBaseIE):