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[split] NameError: name 'start_with_first_selected' is not defined
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[split] NameError: name 'start_with_first_selected' is not defined
#1
I started the process of redoing the code so I can place it into the splash screen script I have but I had to redo the initialization part of the script.

class TkApp(tk.Tk):
    # these arguments initialize the class and how to form arguments within 
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
And I am getting this error.

Error:
H:\>python selectmenu3.py Traceback (most recent call last): File "H:\selectmenu3.py", line 203, in <module> tk_app = TkApp() File "H:\selectmenu3.py", line 121, in __init__ start_with_first_selected(False) NameError: name 'start_with_first_selected' is not defined
I am trying to read up on the collections man pages and examples I can find and see if there is a different nomenclature I need to use for islice and deque to make it work properly as I believe it is a similar issue to the buttons having to be called as tk.Button instead of just Button due to the way the script pieces are initiated.

from collections import deque
from itertools import islice
from tkinter import *
import tkinter
import tkinter.ttk as ttk
import tkinter as tk
import time
from threading import Thread
GUN = ""



class TkApp(tk.Tk):
    # these arguments initialize the class and how to form arguments within 
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        # Adjust size
        self.geometry("640x400")
        self.configure(bg='black') 
        self.gun = tk.StringVar()
        self.gun.set(GUN)
        # Specify Grid 
        tk.Grid.rowconfigure(self, 0, weight=1, uniform='a')
        tk.Grid.rowconfigure(self, 1, weight=1, uniform='b')
        tk.Grid.rowconfigure(self, 2, weight=1, uniform='b')
        tk.Grid.rowconfigure(self, 3, weight=1, uniform='b')
        tk.Grid.rowconfigure(self, 4, weight=1, uniform='b')
        tk.Grid.rowconfigure(self, 5, weight=1, uniform='b')
        tk.Grid.rowconfigure(self, 6, weight=1, uniform='b')
        tk.Grid.rowconfigure(self, 7, weight=1, uniform='b')
        tk.Grid.rowconfigure(self, 8, weight=1, uniform='b')
        tk.Grid.rowconfigure(self, 9, weight=1, uniform='b')
        tk.Grid.columnconfigure(self, 0, weight=1, uniform='d')
        tk.Grid.columnconfigure(self, 1, weight=1, uniform='d')
        tk.Grid.columnconfigure(self, 2, weight=1, uniform='d')
        tk.Grid.columnconfigure(self, 3, weight=1, uniform='d')
        tk.Grid.columnconfigure(self, 4, weight=1, uniform='d')
        tk.Grid.columnconfigure(self, 5, weight=1, uniform='d')
        tk.Grid.columnconfigure(self, 6, weight=1, uniform='d')
        tk.Grid.columnconfigure(self, 7, weight=1, uniform='d')
        button_1 = tk.Button(self, justify=tk.CENTER, text="AUTO-REMOTE", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        button_2 = tk.Button(self, justify=tk.CENTER, text="HARD", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        button_3 = tk.Button(self, justify=tk.CENTER, text="SEMIHARD", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        button_4 = tk.Button(self, justify=tk.CENTER, text="SOFT", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        sbutton_1 = tk.Button(self, justify=tk.CENTER, text="BIO", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        sbutton_2 = tk.Button(self, justify=tk.CENTER, text="INERT", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        tsbutton_1 = tk.Button(self, justify=tk.CENTER, text="MULTI SPEC", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        tsbutton_2 = tk.Button(self, justify=tk.CENTER, text="INFRA RED", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        tsbutton_3 = tk.Button(self, justify=tk.CENTER, text="UV", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        wsbutton_1 = tk.Button(self, justify=tk.CENTER, text="SAFE", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        wsbutton_2 = tk.Button(self, justify=tk.CENTER, text="ARMED", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        isbutton_1 = tk.Button(self, justify=tk.CENTER, text="SEARCH", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        isbutton_2 = tk.Button(self, justify=tk.CENTER, text="TEST", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        isbutton_3 = tk.Button(self, justify=tk.CENTER, text="ENGAGED", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        isbutton_4 = tk.Button(self, justify=tk.CENTER, text="INTERROGATE", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        trbutton_1 = tk.Button(self, justify=tk.CENTER, text="AUTO", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        trbutton_2 = tk.Button(self, justify=tk.CENTER, text="SELECTIVE", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        smman = tk.Button(self, justify=tk.CENTER, text="MAN-OVERRIDE", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        smauto = tk.Button(self, justify=tk.CENTER, text="SEMI-AUTO", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        # displays gun id on top left and right of screen
        gun_1 = tk.Button(self, borderwidth=7,bg='black',fg='yellow',disabledforeground='yellow',state=tk.DISABLED,textvariable=self.gun, highlightcolor = 'yellow')
        gun_2 = tk.Button(self, borderwidth=7,bg='black',fg='yellow',disabledforeground='yellow',state=tk.DISABLED,textvariable=self.gun)
        headernew = tk.Button(self, bg='black', state=tk.DISABLED, fg='yellow', disabledforeground='yellow',highlightbackground='yellow', borderwidth=2, justify=CENTER, text="UA         571-C \n REMOTE SENTRY WEAPON SYSTEM")
        syst = tk.Button(self, bg='black', state=tk.DISABLED, fg='yellow', disabledforeground='yellow',highlightbackground='yellow', borderwidth=2, justify=CENTER, text="SYSTEM \n   MODE")
        weap = tk.Button(self, bg='black', state=tk.DISABLED, fg='yellow', disabledforeground='yellow',highlightbackground='yellow', borderwidth=2, justify=CENTER, text="WEAPON \n   STATUS")
        iff = tk.Button(self, bg='black', state=tk.DISABLED, fg='yellow', disabledforeground='yellow',highlightbackground='yellow', borderwidth=2, justify=CENTER, text="IFF \n   STATUS")
        test = tk.Button(self, bg='black', state=tk.DISABLED, fg='yellow', disabledforeground='yellow',highlightbackground='yellow', borderwidth=2, justify=CENTER, text="TEST \n   ROUTINE")
        target = tk.Button(self, bg='black', state=tk.DISABLED, fg='yellow', disabledforeground='yellow',highlightbackground='yellow', borderwidth=2, justify=CENTER, text="TARGET PROFILE")
        spectral = tk.Button(self, bg='black', state=tk.DISABLED, fg='yellow', disabledforeground='yellow',highlightbackground='yellow', borderwidth=2, justify=CENTER, text="SPECTRAL PROFILE")
        ts = tk.Button(self, bg='black', state=tk.DISABLED, fg='yellow', disabledforeground='yellow',highlightbackground='yellow', borderwidth=2, justify=CENTER, text="TARGET SELECT")
        gun_1.grid(row=0, column=0, ipadx=2, ipady=2, padx=2, pady=2, sticky=W)
        gun_2.grid(row=0, column=7, ipadx=2, ipady=2, padx=2, pady=2, sticky=E)
        headernew.grid(row=0, column=1, columnspan=6, sticky="NSEW")
        button_1.grid(row=2, column=0, columnspan=2, sticky="NSEW")
        button_2.grid(row=9, column=0, columnspan=3, sticky="NSEW")
        button_3.grid(row=8, column=0, columnspan=3, sticky="NSEW")
        button_4.grid(row=7, column=0, columnspan=3, sticky="NSEW")
        sbutton_1.grid(row=7, column=3, columnspan=2, sticky="NSEW")
        sbutton_2.grid(row=8, column=3, columnspan=2, sticky="NSEW")
        tsbutton_1.grid(row=7, column=5, columnspan=3, sticky="NSEW")
        tsbutton_2.grid(row=8, column=5, columnspan=3, sticky="NSEW")
        tsbutton_3.grid(row=9, column=5, columnspan=3, sticky="NSEW")
        wsbutton_1.grid(row=2, column=2, columnspan=2, sticky="NSEW")
        wsbutton_2.grid(row=3, column=2, columnspan=2, sticky="NSEW")
        isbutton_1.grid(row=2, column=4, columnspan=2, sticky="NSEW")
        isbutton_2.grid(row=3, column=4, columnspan=2, sticky="NSEW")
        isbutton_3.grid(row=4, column=4, columnspan=2, sticky="NSEW")
        isbutton_4.grid(row=5, column=4, columnspan=2, sticky="NSEW")
        trbutton_1.grid(row=2, column=6, columnspan=2, sticky="NSEW")
        trbutton_2.grid(row=3, column=6, columnspan=2, sticky="NSEW")
        smman.grid(row=3, column=0, columnspan=2, sticky="NSEW")
        smauto.grid(row=4, column=0, columnspan=2, sticky="NSEW") 
        syst.grid(row=1, column=0, columnspan=2, sticky="NSEW")
        weap.grid(row=1, column=2, columnspan=2, sticky="NSEW")
        iff.grid(row=1, column=4, columnspan=2, sticky="NSEW")
        test.grid(row=1, column=6, columnspan=2, sticky="NSEW")
        target.grid(row=6, column=0, columnspan=3, sticky="NSEW")
        spectral.grid(row=6, column=3, columnspan=2, sticky="NSEW")
        ts.grid(row=6, column=5, columnspan=3, sticky="NSEW")
        # this quits by clicking a button labeled q
        quit = tk.Button(self, bg='black', fg='yellow', text='q', command=self.quit)
        quit.grid(row=8,column=0,sticky="SW")
        self.bind('<KeyPress-Down>', self.on_down)
        self.bind("<Up>", self.on_up)
        self.bind("<Left>", self.on_left)
        self.bind("<Right>", self.on_right)
        self.bind("<KeyPress-a>", self.on_keypress_a)
        self.bind("<KeyPress-b>", self.on_keypress_b)
        self.bind("<KeyPress-c>", self.on_keypress_c)
        self.bind("<KeyPress-d>", self.on_keypress_d)
        self.bind("<KeyPress-q>", self.on_keypress_q)
        group1 = deque((button_1, smman, smauto))
        group2 = deque((wsbutton_1, wsbutton_2))
        group3 = deque((isbutton_1, isbutton_2, isbutton_3, isbutton_4))
        group4 = deque((trbutton_1, trbutton_2))
        group5 = deque((button_4, button_3, button_2))
        group6 = deque((sbutton_1, sbutton_2))
        group7 = deque((tsbutton_1, tsbutton_2, tsbutton_3))
        header_group = deque(((syst, group1), (weap, group2),(iff, group3), (test, group4),(target, group5), (spectral, group6),(ts, group7)))
        start_with_first_selected(False)
      #  toggle_header_group(header_group) 
 
    def toggle_button_group(button_group):
        button_group[0].config(foreground='black', background='yellow', relief='sunken')
        for button in islice(button_group, 1, None):
            button.config(foreground='yellow', background='black', relief='raised')
 
 
    def toggle_header_group(header_group):
        header_group[0][0].config(disabledforeground='black', background='yellow', relief='sunken')
        for button in islice(header_group, 1, None): 
            button[0].config(disabledforeground='yellow',background='black', relief='raised')
 
 
    def start_with_first_selected(first_selected=False):
        if first_selected:
           toggle_button_group(group1)
           toggle_button_group(group2)
           toggle_button_group(group3)
           toggle_button_group(group4)
           toggle_button_group(group5)
           toggle_button_group(group6)
           toggle_button_group(group7)
        else:
        # set last of each group to selected
           group1.rotate(1)
           group2.rotate(1)
           group3.rotate(1)
           group4.rotate(1)
           group5.rotate(1)
           group6.rotate(1)
           group7.rotate(1)
        
   # start_with_first_selected(False)
  #  toggle_header_group(header_group) 
 
    def on_down(self, evet):
       group = header_group[0][1]
       group.rotate(-1)
       toggle_button_group(group)
  
    def on_up(self, evet):
       group = header_group[0][1]
       group.rotate(1)
       toggle_button_group(group)
 
    def on_left(self, evet):
       header_group.rotate(1)
       toggle_header_group(header_group)
  
    def on_right(self, evet):
       header_group.rotate(-1)
       toggle_header_group(header_group)

    # these work
    def on_keypress_a(self, evet):
        which_gun = self.gun.get()
        which_gun = "A"
        self.gun.set(which_gun)
    def on_keypress_b(self, evet):
        which_gun = self.gun.get()
        which_gun = "B"
        self.gun.set(which_gun)
    def on_keypress_c(self, evet):
        which_gun = self.gun.get()
        which_gun = "C"
        self.gun.set(which_gun)
    def on_keypress_d(self, evet):
        which_gun = self.gun.get()
        which_gun = "D"
        self.gun.set(which_gun) 
    # this reloads the window, you have to click it to make it the active window again
    def on_keypress_r(self, evet):
        self.destroy()
        self.__init__()
    # this quits and closes the window by hitting a single key
    def on_keypress_q(self, evet):
        self.quit()
 

# this executes the main loop and tkinter self delcared class.  It declares the function then runs it in the main loop. 
tk_app = TkApp()

tk_app.mainloop()
Reply
#2
When you change a function into a method by putting it into a class the first parameter should be self
def start_with_first_selected(first_selected=False):
changes to
def start_with_first_selected(self, first_selected=False):

When calling a method that was a function it needs to be accessed from self
start_with_first_selected(False)
changes to
self.start_with_first_selected(False)
You have multiple areas in your code that have this issue that needs fixing.
Reply
#3
OK so that is what you call the different structures methods instead of functions. Not having a book or class learning and really only having google/duckduckgo kind of hurts sometimes. Thank you for that piece of information!

I changed the names as suggested. I think the key logic is built correctly as the a,b,c,d press logic works fine. But I tweaked down arrow press to see. Regardless I am getting an error on group1 not being defined.

The relevant updated code section:
        self.start_with_first_selected(False)
        self.toggle_header_group(header_group) 
 
    def toggle_button_group(self, button_group):
        button_group[0].config(foreground='black', background='yellow', relief='sunken')
        for button in islice(button_group, 1, None):
            button.config(foreground='yellow', background='black', relief='raised')
 
 
    def toggle_header_group(self, header_group):
        header_group[0][0].config(disabledforeground='black', background='yellow', relief='sunken')
        for button in islice(header_group, 1, None): 
            button[0].config(disabledforeground='yellow',background='black', relief='raised')
 
 
    def start_with_first_selected(self, first_selected=False):
        if first_selected:
           toggle_button_group(group1)
           toggle_button_group(group2)
           toggle_button_group(group3)
           toggle_button_group(group4)
           toggle_button_group(group5)
           toggle_button_group(group6)
           toggle_button_group(group7)
        else:
        # set last of each group to selected
           group1.rotate(1)
           group2.rotate(1)
           group3.rotate(1)
           group4.rotate(1)
           group5.rotate(1)
           group6.rotate(1)
           group7.rotate(1)
        

 
    def on_down(self, evet):
       group = header_group[0][1]
       group.rotate(-1)
       self.toggle_button_group(group)
  
    def on_up(self, evet):
       group = header_group[0][1]
       group.rotate(1)
       toggle_button_group(group)
 
    def on_left(self, evet):
       header_group.rotate(1)
       toggle_header_group(header_group)
  
    def on_right(self, evet):
       header_group.rotate(-1)
       toggle_header_group(header_group)
Error:
H:\>python selectmenu3.py Traceback (most recent call last): File "H:\selectmenu3.py", line 202, in <module> tk_app = TkApp() File "H:\selectmenu3.py", line 121, in __init__ self.start_with_first_selected(False) File "H:\selectmenu3.py", line 147, in start_with_first_selected group1.rotate(1) NameError: name 'group1' is not defined
I think I have a nomenclature issue again with group definitions. As you state it is probably the self reference issue so I will keep playing with that. The arrays are one thing though that along with tuples I still have issues learning and figuring out but am getting there, slowly.

I already wrote an 800 line wiimote python servo/sound control script and it works. And that took me months to hash out as there was no documentation. I will start a separate thread and post the working script version on it for your site's benefit and full use.
Reply
#4
The same applies you have moved a variable into a class and need to be able to access them from another method, add self. to the front of them to turn it into an attribute.
class TkApp(tk.Tk):
   # these arguments initialize the class and how to form arguments within 
   def __init__(self, *args, **kwargs):
      super().__init__(*args, **kwargs)
      ...
      ...
      ...
      self.group1 = deque((button_1, smman, smauto))
      self.group2 = deque((wsbutton_1, wsbutton_2))
      ...
      ...
      ...

   def start_with_first_selected(self, first_selected=False):
      ...
      ...
      ... 
      self.group1.rotate(1)
      self.group2.rotate(1)
      ...
      ...

(Apr-18-2021, 07:08 PM)knoxvilles_joker Wrote: OK so that is what you call the different structures methods instead of functions. Not having a book or class learning and really only having google/duckduckgo kind of hurts sometimes. Thank you for that piece of information!
It's in the python docs tutorial
https://docs.python.org/3/tutorial/class...namespaces Wrote:By the way, I use the word attribute for any name following a dot — for example, in the expression z.real, real is an attribute of the object z. Strictly speaking, references to names in modules are attribute references: in the expression modname.funcname, modname is a module object and funcname is an attribute of it. In this case there happens to be a straightforward mapping between the module’s attributes and the global names defined in the module: they share the same namespace!
https://docs.python.org/3/tutorial/class...ce-objects Wrote:The other kind of instance attribute reference is a method. A method is a function that “belongs to” an object. (In Python, the term method is not unique to class instances: other object types can have methods as well. For example, list objects have methods called append, insert, remove, sort, and so on. However, in the following discussion, we’ll use the term method exclusively to mean methods of class instance objects, unless explicitly stated otherwise.)
Reply
#5
(Apr-18-2021, 07:30 PM)Yoriz Wrote: The same applies you have moved a variable into a class and need to be able to access them from another method, add self. to the front of them to turn it into an attribute.
class TkApp(tk.Tk):
   # these arguments initialize the class and how to form arguments within 
   def __init__(self, *args, **kwargs):
      super().__init__(*args, **kwargs)
      ...
      ...
      ...
      self.group1 = deque((button_1, smman, smauto))
      self.group2 = deque((wsbutton_1, wsbutton_2))
      ...
      ...
      ...

   def start_with_first_selected(self, first_selected=False):
      ...
      ...
      ... 
      self.group1.rotate(1)
      self.group2.rotate(1)
      ...
      ...

(Apr-18-2021, 07:08 PM)knoxvilles_joker Wrote: OK so that is what you call the different structures methods instead of functions. Not having a book or class learning and really only having google/duckduckgo kind of hurts sometimes. Thank you for that piece of information!
It's in the python docs tutorial
https://docs.python.org/3/tutorial/class...namespaces Wrote:By the way, I use the word attribute for any name following a dot — for example, in the expression z.real, real is an attribute of the object z. Strictly speaking, references to names in modules are attribute references: in the expression modname.funcname, modname is a module object and funcname is an attribute of it. In this case there happens to be a straightforward mapping between the module’s attributes and the global names defined in the module: they share the same namespace!
https://docs.python.org/3/tutorial/class...ce-objects Wrote:The other kind of instance attribute reference is a method. A method is a function that “belongs to” an object. (In Python, the term method is not unique to class instances: other object types can have methods as well. For example, list objects have methods called append, insert, remove, sort, and so on. However, in the following discussion, we’ll use the term method exclusively to mean methods of class instance objects, unless explicitly stated otherwise.)

Thanks for that. I will have to reread that tutorial a few times to digest it a little more fully. I had to reference self so many times, I think that this code might be a narcissist...

The fixed code thanks to your pointers:
from collections import deque
from itertools import islice
from tkinter import *
import tkinter
import tkinter.ttk as ttk
import tkinter as tk
import time
from threading import Thread
GUN = ""



class TkApp(tk.Tk):
    # these arguments initialize the class and how to form arguments within 
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        # Adjust size
        self.geometry("640x400")
        self.configure(bg='black') 
        self.gun = tk.StringVar()
        self.gun.set(GUN)
        # Specify Grid 
        tk.Grid.rowconfigure(self, 0, weight=1, uniform='a')
        tk.Grid.rowconfigure(self, 1, weight=1, uniform='b')
        tk.Grid.rowconfigure(self, 2, weight=1, uniform='b')
        tk.Grid.rowconfigure(self, 3, weight=1, uniform='b')
        tk.Grid.rowconfigure(self, 4, weight=1, uniform='b')
        tk.Grid.rowconfigure(self, 5, weight=1, uniform='b')
        tk.Grid.rowconfigure(self, 6, weight=1, uniform='b')
        tk.Grid.rowconfigure(self, 7, weight=1, uniform='b')
        tk.Grid.rowconfigure(self, 8, weight=1, uniform='b')
        tk.Grid.rowconfigure(self, 9, weight=1, uniform='b')
        tk.Grid.columnconfigure(self, 0, weight=1, uniform='d')
        tk.Grid.columnconfigure(self, 1, weight=1, uniform='d')
        tk.Grid.columnconfigure(self, 2, weight=1, uniform='d')
        tk.Grid.columnconfigure(self, 3, weight=1, uniform='d')
        tk.Grid.columnconfigure(self, 4, weight=1, uniform='d')
        tk.Grid.columnconfigure(self, 5, weight=1, uniform='d')
        tk.Grid.columnconfigure(self, 6, weight=1, uniform='d')
        tk.Grid.columnconfigure(self, 7, weight=1, uniform='d')
        button_1 = tk.Button(self, justify=tk.CENTER, text="AUTO-REMOTE", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        button_2 = tk.Button(self, justify=tk.CENTER, text="HARD", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        button_3 = tk.Button(self, justify=tk.CENTER, text="SEMIHARD", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        button_4 = tk.Button(self, justify=tk.CENTER, text="SOFT", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        sbutton_1 = tk.Button(self, justify=tk.CENTER, text="BIO", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        sbutton_2 = tk.Button(self, justify=tk.CENTER, text="INERT", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        tsbutton_1 = tk.Button(self, justify=tk.CENTER, text="MULTI SPEC", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        tsbutton_2 = tk.Button(self, justify=tk.CENTER, text="INFRA RED", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        tsbutton_3 = tk.Button(self, justify=tk.CENTER, text="UV", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        wsbutton_1 = tk.Button(self, justify=tk.CENTER, text="SAFE", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        wsbutton_2 = tk.Button(self, justify=tk.CENTER, text="ARMED", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        isbutton_1 = tk.Button(self, justify=tk.CENTER, text="SEARCH", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        isbutton_2 = tk.Button(self, justify=tk.CENTER, text="TEST", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        isbutton_3 = tk.Button(self, justify=tk.CENTER, text="ENGAGED", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        isbutton_4 = tk.Button(self, justify=tk.CENTER, text="INTERROGATE", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        trbutton_1 = tk.Button(self, justify=tk.CENTER, text="AUTO", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        trbutton_2 = tk.Button(self, justify=tk.CENTER, text="SELECTIVE", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        smman = tk.Button(self, justify=tk.CENTER, text="MAN-OVERRIDE", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        smauto = tk.Button(self, justify=tk.CENTER, text="SEMI-AUTO", bg='black', fg='yellow',highlightbackground='yellow', highlightcolor='black', activebackground='yellow')
        # displays gun id on top left and right of screen
        gun_1 = tk.Button(self, borderwidth=7,bg='black',fg='yellow',disabledforeground='yellow',state=tk.DISABLED,textvariable=self.gun, highlightcolor = 'yellow')
        gun_2 = tk.Button(self, borderwidth=7,bg='black',fg='yellow',disabledforeground='yellow',state=tk.DISABLED,textvariable=self.gun)
        headernew = tk.Button(self, bg='black', state=tk.DISABLED, fg='yellow', disabledforeground='yellow',highlightbackground='yellow', borderwidth=2, justify=CENTER, text="UA         571-C \n REMOTE SENTRY WEAPON SYSTEM")
        syst = tk.Button(self, bg='black', state=tk.DISABLED, fg='yellow', disabledforeground='yellow',highlightbackground='yellow', borderwidth=2, justify=CENTER, text="SYSTEM \n   MODE")
        weap = tk.Button(self, bg='black', state=tk.DISABLED, fg='yellow', disabledforeground='yellow',highlightbackground='yellow', borderwidth=2, justify=CENTER, text="WEAPON \n   STATUS")
        iff = tk.Button(self, bg='black', state=tk.DISABLED, fg='yellow', disabledforeground='yellow',highlightbackground='yellow', borderwidth=2, justify=CENTER, text="IFF \n   STATUS")
        test = tk.Button(self, bg='black', state=tk.DISABLED, fg='yellow', disabledforeground='yellow',highlightbackground='yellow', borderwidth=2, justify=CENTER, text="TEST \n   ROUTINE")
        target = tk.Button(self, bg='black', state=tk.DISABLED, fg='yellow', disabledforeground='yellow',highlightbackground='yellow', borderwidth=2, justify=CENTER, text="TARGET PROFILE")
        spectral = tk.Button(self, bg='black', state=tk.DISABLED, fg='yellow', disabledforeground='yellow',highlightbackground='yellow', borderwidth=2, justify=CENTER, text="SPECTRAL PROFILE")
        ts = tk.Button(self, bg='black', state=tk.DISABLED, fg='yellow', disabledforeground='yellow',highlightbackground='yellow', borderwidth=2, justify=CENTER, text="TARGET SELECT")
        gun_1.grid(row=0, column=0, ipadx=2, ipady=2, padx=2, pady=2, sticky=W)
        gun_2.grid(row=0, column=7, ipadx=2, ipady=2, padx=2, pady=2, sticky=E)
        headernew.grid(row=0, column=1, columnspan=6, sticky="NSEW")
        button_1.grid(row=2, column=0, columnspan=2, sticky="NSEW")
        button_2.grid(row=9, column=0, columnspan=3, sticky="NSEW")
        button_3.grid(row=8, column=0, columnspan=3, sticky="NSEW")
        button_4.grid(row=7, column=0, columnspan=3, sticky="NSEW")
        sbutton_1.grid(row=7, column=3, columnspan=2, sticky="NSEW")
        sbutton_2.grid(row=8, column=3, columnspan=2, sticky="NSEW")
        tsbutton_1.grid(row=7, column=5, columnspan=3, sticky="NSEW")
        tsbutton_2.grid(row=8, column=5, columnspan=3, sticky="NSEW")
        tsbutton_3.grid(row=9, column=5, columnspan=3, sticky="NSEW")
        wsbutton_1.grid(row=2, column=2, columnspan=2, sticky="NSEW")
        wsbutton_2.grid(row=3, column=2, columnspan=2, sticky="NSEW")
        isbutton_1.grid(row=2, column=4, columnspan=2, sticky="NSEW")
        isbutton_2.grid(row=3, column=4, columnspan=2, sticky="NSEW")
        isbutton_3.grid(row=4, column=4, columnspan=2, sticky="NSEW")
        isbutton_4.grid(row=5, column=4, columnspan=2, sticky="NSEW")
        trbutton_1.grid(row=2, column=6, columnspan=2, sticky="NSEW")
        trbutton_2.grid(row=3, column=6, columnspan=2, sticky="NSEW")
        smman.grid(row=3, column=0, columnspan=2, sticky="NSEW")
        smauto.grid(row=4, column=0, columnspan=2, sticky="NSEW") 
        syst.grid(row=1, column=0, columnspan=2, sticky="NSEW")
        weap.grid(row=1, column=2, columnspan=2, sticky="NSEW")
        iff.grid(row=1, column=4, columnspan=2, sticky="NSEW")
        test.grid(row=1, column=6, columnspan=2, sticky="NSEW")
        target.grid(row=6, column=0, columnspan=3, sticky="NSEW")
        spectral.grid(row=6, column=3, columnspan=2, sticky="NSEW")
        ts.grid(row=6, column=5, columnspan=3, sticky="NSEW")
        # this quits by clicking a button labeled q
        quit = tk.Button(self, bg='black', fg='yellow', text='q', command=self.quit)
        quit.grid(row=8,column=0,sticky="SW")
        self.bind('<KeyPress-Down>', self.on_down)
        self.bind("<Up>", self.on_up)
        self.bind("<Left>", self.on_left)
        self.bind("<Right>", self.on_right)
        self.bind("<KeyPress-a>", self.on_keypress_a)
        self.bind("<KeyPress-b>", self.on_keypress_b)
        self.bind("<KeyPress-c>", self.on_keypress_c)
        self.bind("<KeyPress-d>", self.on_keypress_d)
        self.bind("<KeyPress-q>", self.on_keypress_q)
        self.group1 = deque((button_1, smman, smauto))
        self.group2 = deque((wsbutton_1, wsbutton_2))
        self.group3 = deque((isbutton_1, isbutton_2, isbutton_3, isbutton_4))
        self.group4 = deque((trbutton_1, trbutton_2))
        self.group5 = deque((button_4, button_3, button_2))
        self.group6 = deque((sbutton_1, sbutton_2))
        self.group7 = deque((tsbutton_1, tsbutton_2, tsbutton_3))
        self.header_group = deque(((syst, self.group1), (weap, self.group2),(iff, self.group3), (test, self.group4),(target, self.group5), (spectral, self.group6),(ts, self.group7)))
        self.start_with_first_selected(False)
        self.toggle_header_group(self.header_group) 
 
    def toggle_button_group(self, button_group):
        button_group[0].config(foreground='black', background='yellow', relief='sunken')
        for button in islice(button_group, 1, None):
            button.config(foreground='yellow', background='black', relief='raised')
 
 
    def toggle_header_group(self, header_group):
        header_group[0][0].config(disabledforeground='black', background='yellow', relief='sunken')
        for button in islice(self.header_group, 1, None): 
            button[0].config(disabledforeground='yellow',background='black', relief='raised')
 
 
    def start_with_first_selected(self, first_selected=False):
        if first_selected:
           toggle_button_group(self.group1)
           toggle_button_group(self.group2)
           toggle_button_group(self.group3)
           toggle_button_group(self.group4)
           toggle_button_group(self.group5)
           toggle_button_group(self.group6)
           toggle_button_group(self.group7)
        else:
        # set last of each group to selected
           self.group1.rotate(1)
           self.group2.rotate(1)
           self.group3.rotate(1)
           self.group4.rotate(1)
           self.group5.rotate(1)
           self.group6.rotate(1)
           self.group7.rotate(1)
        

 
    def on_down(self, evet):
       group = self.header_group[0][1]
       group.rotate(-1)
       self.toggle_button_group(group)
  
    def on_up(self, evet):
       group = self.header_group[0][1]
       group.rotate(1)
       self.toggle_button_group(group)
 
    def on_left(self, evet):
       self.header_group.rotate(1)
       self.toggle_header_group(self.header_group)
  
    def on_right(self, evet):
       self.header_group.rotate(-1)
       self.toggle_header_group(self.header_group)

    # these work
    def on_keypress_a(self, evet):
        which_gun = self.gun.get()
        which_gun = "A"
        self.gun.set(which_gun)
    def on_keypress_b(self, evet):
        which_gun = self.gun.get()
        which_gun = "B"
        self.gun.set(which_gun)
    def on_keypress_c(self, evet):
        which_gun = self.gun.get()
        which_gun = "C"
        self.gun.set(which_gun)
    def on_keypress_d(self, evet):
        which_gun = self.gun.get()
        which_gun = "D"
        self.gun.set(which_gun) 
    # this reloads the window, you have to click it to make it the active window again
    def on_keypress_r(self, evet):
        self.destroy()
        self.__init__()
    # this quits and closes the window by hitting a single key
    def on_keypress_q(self, evet):
        self.quit()
 

# this executes the main loop and tkinter self delcared class.  It declares the function then runs it in the main loop. 
tk_app = TkApp()

tk_app.mainloop()
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