--- Hellanzb/Core.py.orig	2008-07-21 06:05:16.000000000 -0700
+++ Hellanzb/Core.py	2008-07-21 06:06:23.000000000 -0700
@@ -94,11 +94,18 @@
             Hellanzb.MAX_RATE = 0
         else:
             Hellanzb.MAX_RATE = int(Hellanzb.MAX_RATE)
 
         if not hasattr(Hellanzb, 'UNRAR_CMD') or Hellanzb.UNRAR_CMD is None:
-            Hellanzb.UNRAR_CMD = assertIsExe(['rar', 'unrar'])
+            # unrar is optional when it is not installed or not specified in conf
+            Hellanzb.UNRAR_CMD = None
+            try:
+                Hellanzb.UNRAR_CMD = assertIsExe(['rar', 'unrar'])
+            except FatalError:
+                # if unrar isn't available, skip it and warn the user
+                print "Warning -- unrar was not found. Disabling unraring."
+                Hellanzb.SKIP_UNRAR = True
         else:
             Hellanzb.UNRAR_CMD = assertIsExe([Hellanzb.UNRAR_CMD])
 
         if not hasattr(Hellanzb, 'PAR2_CMD') or Hellanzb.PAR2_CMD is None:
             Hellanzb.PAR2_CMD = assertIsExe(['par2'])