Simple example of tkinter and images

[menator01]

#! /usr/bin/env python3
# Do the imports
import tkinter as tk
from functools import partial
import os

# Get current working directory
img_dir = os.getcwd()
img_dir = f'{img_dir}'

# Create the window class
class MyClass:
    def __init__(self, parent):
        # Set some parent variables
        self.parent = parent
        self.parent.columnconfigure(0, weight=1)
        self.parent.rowconfigure(0, weight=1)

        # Create a frame to hold images
        self.frame = tk.Frame(self.parent)
        self.frame.grid(column=0, row=0, sticky='news')
        self.frame.grid_columnconfigure(0, weight=3)
        self.frame.grid_rowconfigure(0, weight=3)

        # Get the images
        bulb = tk.PhotoImage(file=f'{img_dir}/light_off.png')
        bulb.img = bulb

        switch = tk.PhotoImage(file=f'{img_dir}/switch_off.png')
        switch.img = switch

        # Create a label to hold the images
        self.light = tk.Label(self.frame, image=bulb, bg='black')
        self.light.grid(column=0, row=0, sticky='news')

        self.switch = tk.Label(self.frame, image=switch)
        self.switch['cursor'] = 'hand2'
        self.switch.grid(column=0, row=1, sticky='news')

        # Set is_clicked to True
        is_clicked = True

        # Bind the switch to LMB
        self.switch.bind('<ButtonRelease-1>', partial(self.lightswitch, is_clicked))


    # Define the function that changes the images and their state
    def lightswitch(self, value, event):
        is_clicked = True
        if value:
            bulb = tk.PhotoImage(file=f'{img_dir}/light_on.png')
            bulb.img = bulb
            self.light['image'] = bulb
            switch = tk.PhotoImage(file=f'{img_dir}/switch_on.png')
            switch.img = switch
            self.switch['image'] = switch
            self.is_clicked = False
            self.switch.bind('<ButtonRelease-1>', partial(self.lightswitch, self.is_clicked))
        else:
            bulb = tk.PhotoImage(file=f'{img_dir}/light_off.png')
            bulb.img = bulb
            self.light['image'] = bulb
            switch = tk.PhotoImage(file=f'{img_dir}/switch_off.png')
            switch.img = switch
            self.switch['image'] = switch
            self.is_clicked = True
            self.switch.bind('<ButtonRelease-1>', partial(self.lightswitch, self.is_clicked))


def main():
    root = tk.Tk()
    root.title('Light On/Off')
    root.geometry('+250+200')
    MyClass(root)
    root.mainloop()

if __name__ == '__main__':
    main()

images

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