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authorTerry Jan Reedy <tjreedy@udel.edu>2015-09-04 08:37:56 (GMT)
committerTerry Jan Reedy <tjreedy@udel.edu>2015-09-04 08:37:56 (GMT)
commit4fda56f44b83da5d0f39d2742bb9ff065c64211c (patch)
tree2f785cb54b33950686af5329c3226f2effcaa43b /Lib/idlelib
parent528a9ab1f0c93d8dabc2b97b39e7252af7372456 (diff)
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Issue #24745: Prevent IDLE initialization crash with Tk 8.4; patch by Ned Deily.
Diffstat (limited to 'Lib/idlelib')
-rw-r--r--Lib/idlelib/configHandler.py18
1 files changed, 11 insertions, 7 deletions
diff --git a/Lib/idlelib/configHandler.py b/Lib/idlelib/configHandler.py
index db3bcbc..83abad7 100644
--- a/Lib/idlelib/configHandler.py
+++ b/Lib/idlelib/configHandler.py
@@ -22,6 +22,7 @@ import os
import sys
from configparser import ConfigParser
+from tkinter import TkVersion
from tkinter.font import Font, nametofont
class InvalidConfigType(Exception): pass
@@ -688,13 +689,16 @@ 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):