changeset:   97160:13a8782a775e
branch:      3.4
parent:      97155:fe55a36a335b
user:        Terry Jan Reedy <tjreedy@udel.edu>
date:        Thu Jul 30 21:16:16 2015 -0400
files:       Lib/idlelib/PyShell.py
description:
Issue 24759: Gracefull exit Idle if ttk import fails.


diff -r fe55a36a335b -r 13a8782a775e Lib/idlelib/PyShell.py
--- a/Lib/idlelib/PyShell.py	Fri Jul 31 08:59:02 2015 +1200
+++ b/Lib/idlelib/PyShell.py	Thu Jul 30 21:16:16 2015 -0400
@@ -23,6 +23,16 @@
           "Your Python may not be configured for Tk. **", file=sys.__stderr__)
     sys.exit(1)
 import tkinter.messagebox as tkMessageBox
+try:
+    from tkinter import ttk
+except:
+    root = Tk()
+    root.withdraw()
+    tkMessageBox.showerror("Idle Cannot Start",
+            "Idle now requires the tkinter.ttk module from tcl/tk 8.5+.\n"
+            + "It found tk %s and no ttk." % TkVersion,
+            parent=root)
+    sys.exit(1)
 
 from idlelib.EditorWindow import EditorWindow, fixwordbreaks
 from idlelib.FileList import FileList