Writing a read only attribute

[Fabrizio Pollastri]

My code is the following:

from Tkinter import *

def tk_dummy_call(*args):
   return

root = Tk()

# save call address
original_tk_call = root.tk.call

# disable tcl command execution (this is the read-only attribute)
root.tk.call = tk_dummy_call

... some code ...

# restore tcl command execution
root.tk.call = original_tk_call


My goal is to make instances of Tkinter widgets without the effects of 
commands directed to the tcl interpreter but preserving all effects at 
python level.