ScanNet | Machine Learning library

import tkinter as tk
from tkinter import *
from tkinter import ttk

LARGE_FONT = ("Verdana", 12)
class pages(tk.Tk):
    #starts us off in the login page
    def __init__(self, *args, **kwargs):
        tk.Tk.__init__(self, *args, **kwargs)

        tk.Tk.wm_title(self, "ScanNET")
        tk.Tk.wm_minsize(self, 800, 800)

        container = tk.Frame(self)

        container.pack(side=TOP, fill=BOTH, expand=True)

        container.grid_rowconfigure(0, weight=1)
        container.grid_columnconfigure(0, weight=1)

        self.frames = {}

        for F in (loginpage, GUI):
            frame = F(container, self)
            self.frames[F] = frame
            frame.grid(row=0, column=0, sticky=N+E+S+W)

        self.show_frame(loginpage)
        
    def show_frame(self, cont):
        frame = self.frames[cont]
        frame.tkraise()
    
class loginpage(tk.Frame):
    #login page content
    def __init__(self, parent, controller):
        tk.Frame.__init__(self,parent)
        loginlabel = tk.Label(self, text="login page", font=LARGE_FONT)
        loginlabel.pack(padx=10, pady=10)

        #button moves you to gui
        loginbutton1 = tk.Button(self, text= "Go to GUI", command=lambda: controller.show_frame(GUI))
        loginbutton1.pack()

class GUI(tk.Frame):
    def __init__(self, parent, controller):
        #all widths and heights aren't official, most likely change
        tk.Frame.__init__(self, parent)
        self.root = tk.Tk()

        #the tabs
        my_notebook = ttk.Notebook(self.root)
        my_notebook.pack()
        devicestab = Frame(my_notebook, width=800, height=600)
        reportstab = Frame(my_notebook, width=800, height=600)
        devicestab.pack(fill=BOTH, expand=1)
        reportstab.pack(fill=BOTH, expand=1)
        my_notebook.add(devicestab, text="Devices")
        my_notebook.add(reportstab, text="Reports")

        #contents for devices tab
        devicesleft = LabelFrame(devicestab, text="Devices found: ", padx=5, pady=5, width=500, height=600)
        devicesleft.grid(row=0, column=0)
        devicesright = LabelFrame(devicestab, text="Activity Feed: ", padx=5, pady=5, width=300 , height=600)
        devicesright.grid(row=0, column=1)

        #contents for reports tab
        reportsleft = LabelFrame(reportstab, text="Report Summaries: ", padx=5, pady=5, width=400 , height=600)
        reportsleft.grid(row=0, column=0)
        reportsright= LabelFrame(reportstab, text="Charts and Diagrams: ", padx=5, pady=5, width=400 , height=600)
        reportsright.grid(row=0, column=1)


app = pages()
app.mainloop()