Multi-segment progress bar proof of concept

multiprogress.py

#!/usr/bin/env python

import tkinter as tk
import time
import random

Nsegments = 100

class Application(tk.Frame):
    def __init__(self, master=None):
        super().__init__(master)
        self.pack()
        self.create_widgets()
        self.running = False
        self.segmentstatus = [0 for i in range(Nsegments)]
        self.update_segments()

    def create_widgets(self):

        self.barcontainer = tk.Frame(self)
        self.barcontainer.pack(side="top")

        self.segments = [tk.Frame(self.barcontainer, height=10, width=5)
                         for i in range(Nsegments)]

        for segment in self.segments:
            segment.pack(side='left')

        self.run = tk.Button(self, text='Run', command=self.run)
        self.run.pack(side='bottom')
        self.quit = tk.Button(self, text="QUIT", fg="red",
                              command=root.destroy)
        self.quit.pack(side="bottom")


    def run(self):
        self.running = True
        self.run['state'] = 'disabled'
        self.update_segments()


    def stoprunning(self):
        self.running = False
        self.run['state'] = 'normal'


    def update_segmentstatus(self):
        toupdate = random.choice([i for i, s in enumerate(self.segmentstatus)
                                  if s == 0])
        self.segmentstatus[toupdate] = 1

        if all(s == 1 for s in self.segmentstatus):
            self.stoprunning()

        return self.segmentstatus


    def update_segments(self):
        if not self.running:
            return

        segmentstatus = self.update_segmentstatus()
        for i, segment in enumerate(self.segments):
            if segmentstatus[i] == 0:
                segment['background'] = ''
            else:
                segment['background'] = 'green'

        self.after(100, self.update_segments)

root = tk.Tk()
app = Application(master=root)
app.mainloop()