Fix for issue5194, based on a patch by Ned Deily.
diff --git a/Lib/idlelib/macosxSupport.py b/Lib/idlelib/macosxSupport.py
index 9f92b6c..e759157 100644
--- a/Lib/idlelib/macosxSupport.py
+++ b/Lib/idlelib/macosxSupport.py
@@ -6,8 +6,12 @@
import tkinter
def runningAsOSXApp():
- """ Returns True iff running from the IDLE.app bundle on OSX """
- return (sys.platform == 'darwin' and 'IDLE.app' in sys.argv[0])
+ """
+ Returns True if Python is running from within an app on OSX.
+ If so, assume that Python was built with Aqua Tcl/Tk rather than
+ X11 Tck/Tk.
+ """
+ return (sys.platform == 'darwin' and '.app' in sys.executable)
def addOpenEventSupport(root, flist):
"""