(finally) unified the interpreter and the applet as Just suggested ages ago. The

resulting program is called PythonInterpreter.

Mac/Python/macapplet.c

-/***********************************************************
-Copyright 1991-1997 by Stichting Mathematisch Centrum, Amsterdam,
-The Netherlands.
-
-                        All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its 
-documentation for any purpose and without fee is hereby granted, 
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in 
-supporting documentation, and that the names of Stichting Mathematisch
-Centrum or CWI not be used in advertising or publicity pertaining to
-distribution of the software without specific, written prior permission.
-
-STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
-THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
-FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
-FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
-OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
-******************************************************************/
-
-/* Macintosh Applet Python main program */
-
-#ifdef __CFM68K__
-#pragma lib_export on
-#endif
-
-extern void PyMac_InitApplet();
-
-void
-main() {
-	PyMac_InitApplet();
-}

Mac/Python/macapplication.c

@@ -22,15 +22,24 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 ******************************************************************/
 
-/* Macintosh Applet Python main program */
+/* Macintosh Python main program for both applets and interpreter */
 
-#ifdef SYMANTEC__CFM68K__
+#include <Resources.h>
+
+#ifdef __CFM68K__
 #pragma lib_export on
 #endif
 
+extern void PyMac_InitApplet();
 extern void PyMac_InitApplication();
 
 void
 main() {
-	PyMac_InitApplication();
+        Handle mainpyc;
+
+        mainpyc = Get1NamedResource('PYC ', "\p__main__");
+        if (mainpyc != NULL)
+                PyMac_InitApplet();
+        else
+                PyMac_InitApplication();
 }