From: Terry Jan Reedy <tjreedy@udel.edu>
Date: Fri, 4 Sep 2015 08:37:02 +0000 (-0400)
Subject: Issue #24745: Prevent IDLE initialization crash with Tk 8.4; patch by Ned Deily.
X-Git-Tag: v2.7.11rc1~180
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=99c1a6d5f1b83c51abb5205d3ded3db841ae4fe6;p=thirdparty%2FPython%2Fcpython.git

Issue #24745: Prevent IDLE initialization crash with Tk 8.4; patch by Ned Deily.
---

diff --git a/Lib/idlelib/configHandler.py b/Lib/idlelib/configHandler.py
index c9ec9c32d5d5..899e50a978b5 100644
--- a/Lib/idlelib/configHandler.py
+++ b/Lib/idlelib/configHandler.py
@@ -23,6 +23,7 @@ import os
 import sys
 
 from ConfigParser import ConfigParser
+from Tkinter import TkVersion
 from tkFont import Font, nametofont
 
 class InvalidConfigType(Exception): pass
@@ -689,13 +690,16 @@ class IdleConf:
         bold = self.GetOption(configType, section, 'font-bold', default=0,
                               type='bool')
         if (family == 'TkFixedFont'):
-            f = Font(name='TkFixedFont', exists=True, root=root)
-            actualFont = Font.actual(f)
-            family = actualFont['family']
-            size = actualFont['size']
-            if size < 0:
-                size = 10  # if font in pixels, ignore actual size
-            bold = actualFont['weight']=='bold'
+            if TkVersion < 8.5:
+                family = 'Courier'
+            else:
+                f = Font(name='TkFixedFont', exists=True, root=root)
+                actualFont = Font.actual(f)
+                family = actualFont['family']
+                size = actualFont['size']
+                if size < 0:
+                    size = 10  # if font in pixels, ignore actual size
+                bold = actualFont['weight']=='bold'
         return (family, size, 'bold' if bold else 'normal')
 
     def LoadCfgFiles(self):