updates: fix install dialog labels and use InstallAddon flow

addon/default.py

@@ -1181,7 +1181,7 @@ def _fetch_changelog_for_channel(channel: int, version: str) -> str:
     return _extract_changelog_section(text, version)
 
 
-def _install_addon_version(info_url: str, version: str) -> bool:
+def _install_addon_version_manual(info_url: str, version: str) -> bool:
     base = info_url[: -len("/addons.xml")] if info_url.endswith("/addons.xml") else info_url.rstrip("/")
     zip_url = f"{base}/{UPDATE_ADDON_ID}/{UPDATE_ADDON_ID}-{version}.zip"
     try:
@@ -1217,6 +1217,29 @@ def _install_addon_version(info_url: str, version: str) -> bool:
     return True
 
 
+def _install_addon_version(info_url: str, version: str) -> bool:
+    base = info_url[: -len("/addons.xml")] if info_url.endswith("/addons.xml") else info_url.rstrip("/")
+    zip_url = f"{base}/{UPDATE_ADDON_ID}/{UPDATE_ADDON_ID}-{version}.zip"
+
+    # Prefer Kodi's own installer to get proper install flow and dependency handling.
+    builtin = getattr(xbmc, "executebuiltin", None)
+    if callable(builtin):
+        try:
+            before = _installed_addon_version_from_disk()
+            builtin(f"InstallAddon({zip_url})")
+            for _ in range(20):
+                time.sleep(1)
+                current = _installed_addon_version_from_disk()
+                if current == version:
+                    return True
+            if before == version:
+                return True
+        except Exception as exc:
+            _log(f"InstallAddon fehlgeschlagen, fallback aktiv: {exc}", xbmc.LOGWARNING)
+
+    return _install_addon_version_manual(info_url, version)
+
+
 def _sync_update_channel_status_settings() -> None:
     channel = _selected_update_channel()
     channel_label = _channel_label(channel)
@@ -3521,14 +3544,16 @@ def _show_version_selector() -> None:
             "Version installieren",
             f"Version: {version}",
             "Installation jetzt starten?",
-            yeslabel="Installieren",
+            "",
-            nolabel="Abbrechen",
+            "Abbrechen",
+            "Installieren",
         )
     except TypeError:
         confirm = dialog.yesno("Version installieren", f"Version: {version}", "Installation jetzt starten?")
     if not confirm:
         return
 
+    xbmcgui.Dialog().notification("Updates", f"Installation gestartet: {version}", xbmcgui.NOTIFICATION_INFO, 2500)
     ok = _install_addon_version(info_url, version)
     if ok:
         _sync_update_version_settings()