--- ScriptBinding.py	2010-04-23 21:05:05.109362267 -0400
+++ foobar	2010-04-23 21:04:32.285342587 -0400
@@ -149,7 +149,7 @@
         dirname = os.path.dirname(filename)
         # XXX Too often this discards arguments the user just set...
         interp.runcommand("""if 1:
-            _filename = %r
+            __file__ = _filename = %r
             import sys as _sys
             from os.path import basename as _basename
             if (not _sys.argv or