Use the new macresource module to open the accompanying resource file (if needed).
diff --git a/Mac/Demo/PICTbrowse/ICONbrowse.py b/Mac/Demo/PICTbrowse/ICONbrowse.py
index 162fcb6..902b5c7 100644
--- a/Mac/Demo/PICTbrowse/ICONbrowse.py
+++ b/Mac/Demo/PICTbrowse/ICONbrowse.py
@@ -10,6 +10,7 @@
 import sys
 import struct
 from Carbon import Icn
+import macresource
 
 #
 # Resource definitions
@@ -26,14 +27,7 @@
 MAXHEIGHT=320
 
 def main():
-	try:
-		dummy = Res.GetResource('DLOG', ID_MAIN)
-	except Res.Error:
-		try:
-			Res.FSpOpenResFile("PICTbrowse.rsrc", 1)
-		except Res.Error, arg:
-			EasyDialogs.Message("Cannot open PICTbrowse.rsrc: "+arg[1])
-			sys.exit(1)	
+	macresource.need('DLOG', ID_MAIN, "PICTbrowse.rsrc")
 	ICONbrowse()
 
 class ICONbrowse(FrameWork.Application):
diff --git a/Mac/Demo/PICTbrowse/PICTbrowse.py b/Mac/Demo/PICTbrowse/PICTbrowse.py
index e45b18c..41ffa5c 100644
--- a/Mac/Demo/PICTbrowse/PICTbrowse.py
+++ b/Mac/Demo/PICTbrowse/PICTbrowse.py
@@ -9,6 +9,7 @@
 from Carbon import List
 import sys
 import struct
+import macresource
 
 #
 # Resource definitions
@@ -21,14 +22,7 @@
 TOP=64
 
 def main():
-	try:
-		dummy = Res.GetResource('DLOG', ID_MAIN)
-	except Res.Error:
-		try:
-			Res.FSpOpenResFile("PICTbrowse.rsrc", 1)
-		except Res.Error, arg:
-			EasyDialogs.Message("Cannot open PICTbrowse.rsrc: "+arg[1])
-			sys.exit(1)	
+	macresource.need('DLOG', ID_MAIN, "PICTbrowse.rsrc")
 	PICTbrowse()
 
 class PICTbrowse(FrameWork.Application):
diff --git a/Mac/Demo/PICTbrowse/PICTbrowse2.py b/Mac/Demo/PICTbrowse/PICTbrowse2.py
index 7e146ed..0e11681 100644
--- a/Mac/Demo/PICTbrowse/PICTbrowse2.py
+++ b/Mac/Demo/PICTbrowse/PICTbrowse2.py
@@ -9,6 +9,7 @@
 from Carbon import List
 import sys
 import struct
+import macresource
 
 #
 # Resource definitions
@@ -25,14 +26,7 @@
 MAXHEIGHT=320
 
 def main():
-	try:
-		dummy = Res.GetResource('DLOG', ID_MAIN)
-	except Res.Error:
-		try:
-			Res.FSpOpenResFile("PICTbrowse.rsrc", 1)
-		except Res.Error, arg:
-			EasyDialogs.Message("Cannot open PICTbrowse.rsrc: "+arg[1])
-			sys.exit(1)	
+	macresource.need('DLOG', ID_MAIN, "PICTbrowse.rsrc")
 	PICTbrowse()
 
 class PICTbrowse(FrameWork.Application):
diff --git a/Mac/Demo/PICTbrowse/cicnbrowse.py b/Mac/Demo/PICTbrowse/cicnbrowse.py
index 89f8218..561dcf9 100644
--- a/Mac/Demo/PICTbrowse/cicnbrowse.py
+++ b/Mac/Demo/PICTbrowse/cicnbrowse.py
@@ -10,6 +10,7 @@
 import sys
 import struct
 from Carbon import Icn
+import macresource
 
 #
 # Resource definitions
@@ -26,14 +27,7 @@
 MAXHEIGHT=320
 
 def main():
-	try:
-		dummy = Res.GetResource('DLOG', ID_MAIN)
-	except Res.Error:
-		try:
-			Res.FSpOpenResFile("PICTbrowse.rsrc", 1)
-		except Res.Error, arg:
-			EasyDialogs.Message("Cannot open PICTbrowse.rsrc: "+arg[1])
-			sys.exit(1)	
+	macresource.need('DLOG', ID_MAIN, "PICTbrowse.rsrc")
 	CIconbrowse()
 
 class CIconbrowse(FrameWork.Application):
@@ -119,9 +113,9 @@
 	def open(self, id, contents):
 		self.id = id
 		FrameWork.DialogWindow.open(self, ID_MAIN)
-		self.wid.SetDialogDefaultItem(MAIN_SHOW)
+		self.dlg.SetDialogDefaultItem(MAIN_SHOW)
 		self.contents = contents
-		self.ctl = self.wid.GetDialogItemAsControl(MAIN_LIST)
+		self.ctl = self.dlg.GetDialogItemAsControl(MAIN_LIST)
 		h = self.ctl.GetControlData_Handle(Controls.kControlListBoxPart, 
 				Controls.kControlListBoxListHandleTag)
 		self.list = List.as_List(h)
diff --git a/Mac/Demo/PICTbrowse/oldPICTbrowse.py b/Mac/Demo/PICTbrowse/oldPICTbrowse.py
index 01cf71c..dc1f5b4 100644
--- a/Mac/Demo/PICTbrowse/oldPICTbrowse.py
+++ b/Mac/Demo/PICTbrowse/oldPICTbrowse.py
@@ -8,6 +8,7 @@
 from Carbon import List
 import sys
 import struct
+import macresource
 
 #
 # Resource definitions
@@ -20,14 +21,7 @@
 TOP=64
 
 def main():
-	try:
-		dummy = Res.GetResource('DLOG', ID_MAIN)
-	except Res.Error:
-		try:
-			Res.FSpOpenResFile("oldPICTbrowse.rsrc", 0)
-		except Res.Error, arg:
-			EasyDialogs.Message("Cannot open PICTbrowse.rsrc: "+arg[1])
-			sys.exit(1)	
+	macresource.need('DLOG', ID_MAIN, "oldPICTbrowse.rsrc")
 	PICTbrowse()
 
 class PICTbrowse(FrameWork.Application):
diff --git a/Mac/Demo/example1/dnslookup-1.py b/Mac/Demo/example1/dnslookup-1.py
index 9a2ab28..2aa7c88 100644
--- a/Mac/Demo/example1/dnslookup-1.py
+++ b/Mac/Demo/example1/dnslookup-1.py
@@ -7,6 +7,7 @@
 import sys
 import socket
 import string
+import macresource
 #
 # Definitions for our resources
 ID_MAIN=512
@@ -15,15 +16,10 @@
 ITEM_RESULT=2
 ITEM_LOOKUP_BUTTON=3
 ITEM_QUIT_BUTTON=4
-    
-            
+
 def main():
     """Main routine: open resource file, call dialog handler"""
-    try:
-        Res.FSpOpenResFile("dnslookup-1.rsrc", 1)
-    except Res.Error:
-        EasyDialogs.Message("Cannot open dnslookup-1.rsrc")
-        sys.exit(1) 
+    macresource.need("DLOG", ID_MAIN, "dnslookup-1.rsrc")
     do_dialog()
 
 def do_dialog():
diff --git a/Mac/Demo/example2/dnslookup-2.py b/Mac/Demo/example2/dnslookup-2.py
index 20e7fa5..9747c4a 100644
--- a/Mac/Demo/example2/dnslookup-2.py
+++ b/Mac/Demo/example2/dnslookup-2.py
@@ -5,6 +5,7 @@
 import sys
 import socket
 import string
+import macresource
 #
 # Definitions for our resources
 ID_MAIN=512
@@ -15,14 +16,7 @@
 ITEM_LOOKUP_BUTTON=3
 
 def main():
-    try:
-        dummy = Res.GetResource('DLOG', ID_MAIN)
-    except Res.Error:
-        try:
-            Res.FSpOpenResFile("dnslookup-2.rsrc", 1)
-        except Res.Error:
-            EasyDialogs.Message("Cannot open dnslookup-2.rsrc")
-            sys.exit(1) 
+    macresource.need("DLOG", ID_MAIN, "dnslookup-2.rsrc")
     DNSLookup()
     
 class DNSLookup(FrameWork.Application):