Progressbar widget in Tkinter | Python - GeeksforGeeks

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The purpose of this widget is to reassure the user that something is happening. It can operate in one of two modes –
In determinate mode , the widget shows an indicator that moves from beginning to end under program control.
In indeterminate mode , the widget is animated so the user will believe that something is in progress. In this mode, the indicator bounces back and forth between the ends of the widget.

Syntax:

widget_object = Progressbar(parent, **options)
Code #1 In determinate mode

# Progress bar widget 
progress = Progressbar(root, orient = HORIZONTAL, 
              length = 100, mode = 'determinate') 
# Function responsible for the updation 
# of the progress bar value 
def bar(): 
    import time 
    progress['value'] = 20
    root.update_idletasks() 
    time.sleep(1) 
    progress['value'] = 40
    root.update_idletasks() 
    time.sleep(1) 
    progress['value'] = 50
    root.update_idletasks() 
    time.sleep(1) 
    progress['value'] = 60
    root.update_idletasks() 
    time.sleep(1) 
    progress['value'] = 80
    root.update_idletasks() 
    time.sleep(1) 
    progress['value'] = 100
progress.pack(pady = 10) 
# This button will initialize 
# the progress bar 
Button(root, text = 'Start', command = bar).pack(pady = 10) 
# infinite loop 
mainloop() 
Output:



Code #2: In indeterminate mode
# 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() 
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    Article Tags : PythonPython-gui
Python-tkinter
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