[Tkinter] ttk.Checkbutton set on/off

[ifigazsi]

Hi!

I have a bunch of ttk.Checkbuttons, and i want to select and deselect all.
I found a solution, but there must be a better/general one.

Thank you,
ifigazsi

for example:

import tkinter as tk
from tkinter import ttk


############### ROOT #########################
root = tk.Tk()
root.title("Pythons")
root.geometry('400x100')

############### FUNCTIONS ########################

def tbox_select_all(tbox_list):
    for i in tbox_list:
        if i.instate(['selected']) == False:
            i.invoke()


def tbox_deselect_all(tbox_list):
    for i in tbox_list:
        if i.instate(['selected']):
            i.invoke()

############### FRAMES #########################

tickbox_frame = ttk.Frame(root)
tickbox_frame.grid(row=0, column=0)

############### CHECKBUTTONS   ###################

graham_tbox = ttk.Checkbutton(tickbox_frame, text='GRAHAM')
john_tbox = ttk.Checkbutton(tickbox_frame, text='JOHN')
terry_tbox = ttk.Checkbutton(tickbox_frame, text='TERRY')
eric_tbox = ttk.Checkbutton(tickbox_frame, text='ERIC')

graham_tbox.grid(row=0, column=1, sticky='w')
john_tbox.grid(row=0, column=2, sticky='w')
terry_tbox.grid(row=0, column=3, sticky='w')
eric_tbox.grid(row=0, column=4, sticky='w')

tboxes_list = [graham_tbox, john_tbox, terry_tbox, eric_tbox]
for i in tboxes_list:
    i.invoke()
    i.invoke()

############## BUTTONS   #######################

deselect_all_tbox_button = tk.Button(tickbox_frame, text='Deselect all', command=lambda: tbox_deselect_all(tboxes_list))
deselect_all_tbox_button.grid(row=1, column=2, sticky='e')
select_all_tbox_button = tk.Button(tickbox_frame, text='Select all', command=lambda: tbox_select_all(tboxes_list))
select_all_tbox_button.grid(row=1, column=3, sticky='e')

root.mainloop()