Made this module compatible with Python2.3, and added a temporary setup

script that allows it to be built for that Python.

Mac/Modules/launch/_Launchmodule.c

@@ -15,6 +15,10 @@
     }} while(0)
 
 
+#if PY_VERSION_HEX < 0x02040000
+PyObject *PyMac_GetOSErrException(void);
+#endif
+
 #include <ApplicationServices/ApplicationServices.h>
 
 /*

Mac/Modules/launch/launchsupport.py

@@ -29,6 +29,10 @@ OptCFStringRef = OpaqueByValueType("CFStringRef", "OptCFStringRefObj")
 LSItemInfoRecord = OpaqueType("LSItemInfoRecord", "LSItemInfoRecord")
 
 includestuff = includestuff + """
+#if PY_VERSION_HEX < 0x02040000
+PyObject *PyMac_GetOSErrException(void);
+#endif
+
 #include <ApplicationServices/ApplicationServices.h>
 
 /*

Mac/Modules/launch/setup.py

+# This is a temporary setup script to allow distribution of
+# MacPython 2.4 modules for MacPython 2.3.
+
+from distutils.core import Extension, setup
+
+setup(name="LaunchServices", version="0.1",
+	ext_modules=[
+		Extension('_Launch', ['_Launchmodule.c'],
+		extra_link_args=['-framework', 'ApplicationServices'])
+	],
+	py_modules=['LaunchServices.Launch', 'LaunchServices.LaunchServices'],
+	package_dir={'LaunchServices':'../../../Lib/plat-mac/Carbon'}
+	)