Public bug reported:

When clicking on a package from a PPA in update-manager, the "Changes
for XXX versions:" section will say:

"This update does not come from a source that supports changelogs."

and on the console it dumps:

ERROR:root:Unable to find a valid PPA candidate URL.


The reason is that in _extract_ppa_changelog_uri() in 
/usr/lib/python3/dist-packages/UpdateManager/Core/MyCache.py it checks only for 
ppa.launchpad.net but nowadays the URI will contain ppa.launchpadcontent.net 
instead.


With the below patch it will correctly display the changelogs:

--- /usr/lib/python3/dist-packages/UpdateManager/Core/MyCache.py.orig   
2024-04-16 11:56:33.000000000 +0200
+++ /usr/lib/python3/dist-packages/UpdateManager/Core/MyCache.py        
2024-06-08 20:33:51.462435498 +0200
@@ -338,7 +338,7 @@ class MyCache(DistUpgrade.DistUpgradeCac
 
         cdt = self[name].candidate
         for uri in cdt.uris:
-            if urlsplit(uri).hostname != "ppa.launchpad.net":
+            if urlsplit(uri).hostname not in ("ppa.launchpad.net", 
"ppa.launchpadcontent.net"):
                 continue
             match = re.search("http.*/(.*)/(.*)/ubuntu/.*", uri)
             if match is not None:

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: patch

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https://bugs.launchpad.net/bugs/2068809

Title:
  changelogs not listed for PPA packages

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