python-programming/Projects/Tkinter Projects/examples/progress_bar.py at master · XusanDev07/python-programming · GitHub

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# importing tkinter module
from tkinter import *
from tkinter.ttk import *

# creating tkinter window
root = Tk()

# Progress bar widget
progress = Progressbar(root, orient = HORIZONTAL,
            length = 100, mode = 'indeterminate')

# Function responsible for the updation
# of the progress bar value
def bar():
    import time
    progress['value'] = 20
    root.update_idletasks()
    time.sleep(0.5)

    progress['value'] = 40
    root.update_idletasks()
    time.sleep(0.5)

    progress['value'] = 50
    root.update_idletasks()
    time.sleep(0.5)

    progress['value'] = 60
    root.update_idletasks()
    time.sleep(0.5)

    progress['value'] = 80
    root.update_idletasks()
    time.sleep(0.5)

    progress['value'] = 100
    root.update_idletasks()
    time.sleep(0.5)

    progress['value'] = 80
    root.update_idletasks()
    time.sleep(0.5)

    progress['value'] = 60
    root.update_idletasks()
    time.sleep(0.5)

    progress['value'] = 50
    root.update_idletasks()
    time.sleep(0.5)

    progress['value'] = 40
    root.update_idletasks()
    time.sleep(0.5)

    progress['value'] = 20
    root.update_idletasks()
    time.sleep(0.5)
    progress['value'] = 0


progress.pack(pady = 10)

# This button will initialize
# the progress bar
Button(root, text = 'Start', command = bar).pack(pady = 10)

# infinite loop
mainloop()