dev: import resolveurl from addon path when dependency is soft

addon/resolveurl_backend.py

@@ -7,6 +7,7 @@ zu einer abspielbaren Media-URL (inkl. evtl. Header-Suffix) aufgelöst werden.
 from __future__ import annotations
 
 from typing import Optional
+import sys
 
 _LAST_RESOLVE_ERROR = ""
 
@@ -20,11 +21,31 @@ def resolve(url: str) -> Optional[str]:
     _LAST_RESOLVE_ERROR = ""
     if not url:
         return None
+    resolveurl = None
     try:
-        import resolveurl  # type: ignore
+        import resolveurl as _resolveurl  # type: ignore
+        resolveurl = _resolveurl
     except Exception:
-        _LAST_RESOLVE_ERROR = "resolveurl missing"
+        # Ohne harte addon.xml-Abhaengigkeit liegt resolveurl ggf. nicht im Python-Pfad.
-        return None
+        try:
+            import xbmcaddon  # type: ignore
+            import xbmcvfs  # type: ignore
+
+            addon = xbmcaddon.Addon("script.module.resolveurl")
+            addon_path = addon.getAddonInfo("path") or ""
+            if addon_path:
+                lib_path = xbmcvfs.translatePath(f"{addon_path}/lib")
+                if lib_path and lib_path not in sys.path:
+                    sys.path.append(lib_path)
+                if addon_path and addon_path not in sys.path:
+                    sys.path.append(addon_path)
+                import resolveurl as _resolveurl  # type: ignore
+                resolveurl = _resolveurl
+        except Exception:
+            resolveurl = None
+        if resolveurl is None:
+            _LAST_RESOLVE_ERROR = "resolveurl missing"
+            return None
 
     try:
         hosted = getattr(resolveurl, "HostedMediaFile", None)