[Python-checkins] cpython (3.4): Issue 24759: Gracefull exit Idle if ttk import fails.

[terry.reedy]

https://hg.python.org/cpython/rev/13a8782a775e
changeset:   97160:13a8782a775e
branch:      3.4
parent:      97155:fe55a36a335b
user:        Terry Jan Reedy <tjreedy at udel.edu>
date:        Thu Jul 30 21:16:16 2015 -0400
summary:
  Issue 24759: Gracefull exit Idle if ttk import fails.

files:
  Lib/idlelib/PyShell.py |  10 ++++++++++
  1 files changed, 10 insertions(+), 0 deletions(-)


diff --git a/Lib/idlelib/PyShell.py b/Lib/idlelib/PyShell.py
--- a/Lib/idlelib/PyShell.py
+++ b/Lib/idlelib/PyShell.py
@@ -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

-- 
Repository URL: https://hg.python.org/cpython