#!/usr/bin/env python

"""

A very simple progress bar which keep track of the progress as we consume an

iterator.

"""

import time

from prompt_toolkit.formatted_text import HTML

from prompt_toolkit.shortcuts import ProgressBar

from prompt_toolkit.shortcuts.progress_bar import formatters

from prompt_toolkit.styles import Style

style = Style.from_dict({

'progressbar title': '#0000ff',

'item-title': '#ff4400 underline',

'percentage': '#00ff00',

'bar-a': 'bg:#00ff00 #004400',

'bar-b': 'bg:#00ff00 #000000',

'bar-c': 'bg:#000000 #000000',

'tildes': '#444488',

'time-left': 'bg:#88ff88 #ffffff',

'spinning-wheel': 'bg:#ffff00 #000000',

})

def main():

custom_formatters = [

formatters.Label(),

formatters.Text(' '),

formatters.SpinningWheel(),

formatters.Text(' '),

formatters.Text(HTML('<tildes>~~~</tildes>')),

formatters.Bar(sym_a='#', sym_b='#', sym_c='.'),

formatters.Text(' left: '),

formatters.TimeLeft(),

]

with ProgressBar(title='Progress bar example with custom formatter.',

formatters=custom_formatters, style=style) as pb:

for i in pb(range(20), label='Downloading...'):

time.sleep(1)

if __name__ == '__main__':

main()