Pass fallback filename to Python.

modules/liquidsoap/fallback.liq

@@ -116,9 +116,10 @@ def fallback_create(~skip=true, name, requestor)
 
   # Tell the system when a new track is played
   def do_meta(meta) =
+    filename = meta["filename"]
     artist = meta["artist"]
     title = meta["title"]
-    system('#{list.assoc("install_dir", ini)}/guru.py --adapt-trackservice-title "|+|+|#{artist}|+|+|#{title}|+|+|"')
+    system('#{list.assoc("install_dir", ini)}/guru.py --adapt-trackservice-title "|+|+|#{filename}|+|+|#{artist}|+|+|#{title}|+|+|"')
   end
   source = on_metadata(do_meta, source)