Python class with tkinter

Question

I'm trying to learn the classes in Python.

I wrote a little code with tkinter

from tkinter import *

class window():
    def __init__(self, size, title, ):
        self.size = size
        self.title = title

        window = Tk()
        window.geometry(self.size)
        window.title(self.title)

        print('a window has been created')

        window.mainloop()


    def button(self, window, text, x, y):

        self.window = window
        self.text = text
        self.x = x
        self.y = y

        button = Button(window, text=text).place(x=str(x), y=str(y))

but I get the error message:

self.tk = master.tk
AttributeError: 'window' object has no attribute 'tk'

the way to define the class is strange. how did you call it? — jizhihaoSAMA
– jizhihaoSAMA, Commented Jul 30, 2021 at 8:05
You need to include your full code, inc. where the line that generated the error message come from? — kamion
– kamion, Commented Jul 30, 2021 at 8:07
root = window('640x640', 'Root Window') root.button(root, 'test', "0", "0") — Vitalij Sawizki
– Vitalij Sawizki, Commented Jul 30, 2021 at 8:07

Hrithik Jain · Accepted Answer · 2021-07-30 08:12:52Z

1

you have to say from which file is this function or object is from

window = tkinter.Tk()

edited Jul 30, 2021 at 8:12

answered Jul 30, 2021 at 8:10

Hrithik Jain

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2 Comments

SAL Over a year ago

He need to import also Button, the better way is to import tkinter like this: import tkinter as tk and then change the code.

Hrithik Jain Over a year ago

yes that changes code to window = tk.Tk() he still needs to give the file name. even for the button

SAL · Accepted Answer · 2021-07-30 08:09:22Z

I can't see where you write self.tk or where you called the class. Probably, you need to add self. when you declare window.

Like this:

from tkinter import *

class window:
    def __init__(self, size, title, ):
        self.size = size
        self.title = title

        self.window = Tk()
        self.window.geometry(self.size)
        self.window.title(self.title)

        print('a window has been created')
        self.window.mainloop()


    def button(self, window, text, x, y):

        self.window = window
        self.text = text
        self.x = x
        self.y = y

        button = Button(window, text=text).place(x=str(x), y=str(y))

if __name__ == "__main__":
    worker = window("500x500", "nice title") # <-- You need to call the class.

(If you need to declare a button, you can add this line on __init__ function above self.window.mainloop(): self.button(self.window, "Title", 10, 20))

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