Patches item #1724999, was opened at 2007-05-24 19:23
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Category: Tkinter
Group: Python 3000
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Ali Gholami Rudi (aligrudi)
Assigned to: Martin v. Löwis (loewis)
Summary: dict size changes during iter
Initial Comment:
In p3yk branch and Ubuntu 2.6.20-15
In::
from Tkinter import *
root = Tk()
toplevel = Toplevel()
def destroy():
toplevel.destroy()
button = Button(toplevel, text='Press Me',
command=destroy)
button.pack()
toplevel.focus_set()
root.mainloop()
When the button is pressed I get::
Exception in Tkinter callback
Traceback (most recent call last):
File "/usr/local/lib/python3.0/lib-tk/Tkinter.py", line 1403, in __call__
return self.func(*args)
File "mod.py", line 7, in destroy
toplevel.destroy()
File "/usr/local/lib/python3.0/lib-tk/Tkinter.py", line 1935, in destroy
for c in self.children.values(): c.destroy()
RuntimeError: dictionary changed size during iteration
The attached patch solves this.
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https://sourceforge.net/tracker/?func=detail&atid=305470&aid=1724999&group_id=5470
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