Tkinter __call__

[Gigs_]

John McMonagle wrote:
> Gigs_ wrote:
>> from Tkinter import *
>> from tkFileDialog   import askopenfilename
>> from tkColorChooser import askcolor
>> from tkMessageBox   import askquestion, showerror
>> from tkSimpleDialog import askfloat
>>
>> demos = {
>>      'Open':  askopenfilename,
>>      'Color': askcolor,
>>      'Query': lambda: askquestion('Warning', 'You typed          
>> "..."\nConfirm?'),
>>      'Error': lambda: showerror('Error!', "He's dead, Jim"),
>>      'Input': lambda: askfloat('Entry', 'Enter credit card number')
>> }
>>
>>
>> class Demo(Frame):
>>      def __init__(self, parent=None):
>>          Frame.__init__(self, parent)
>>          self.pack()
>>          Label(self, text="Basic demos").pack()
>>          for (key, value) in demos.items():
>>              func = (lambda: self.printit(key))
>>              Button(self, text=key, command=func).pack(side=TOP, 
>> fill=BOTH)
>>      def printit(self, name):     
>>          print name, 'returns =>', demos[name]()
>>
>>
>> I have tried but cant get it to work properly.
>> I want to instead printit method to put __call__ and call it like that
>> Can someone help me, please?
> 
> Add the following lines to the end of your script and all should work as 
> expected:
> 
> root = Tk()
> app = Demo(root)
> root.mainloop()
> 
I have write root window, but forgot to write here
I want to use __call__ method instead printit