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#!/usr/bin/python

# -*- coding: utf-8 -*-

import sys

import time

from progressbar import AnimatedMarker, Bar, BouncingBar, Counter, ETA, \

AdaptiveETA, FileTransferSpeed, FormatLabel, Percentage, \

ProgressBar, ReverseBar, RotatingMarker, \

SimpleProgress, Timer, UnknownLength

examples = []

def example(fn):

try: name = 'Example %d' % int(fn.__name__[7:])

except: name = fn.__name__

def wrapped():

try:

sys.stdout.write('Running: %s\n' % name)

fn()

sys.stdout.write('\n')

except KeyboardInterrupt:

sys.stdout.write('\nSkipping example.\n\n')

examples.append(wrapped)

return wrapped

@example

def example0():

pbar = ProgressBar(widgets=[Percentage(), Bar()], maxval=300).start()

for i in range(300):

time.sleep(0.01)

pbar.update(i+1)

pbar.finish()

@example

def example1():

widgets = ['Test: ', Percentage(), ' ', Bar(marker=RotatingMarker()),

' ', ETA(), ' ', FileTransferSpeed()]

pbar = ProgressBar(widgets=widgets, maxval=10000000).start()

for i in range(1000000):

# do something

pbar.update(10*i+1)

pbar.finish()

@example

def example2():

class CrazyFileTransferSpeed(FileTransferSpeed):

"""It's bigger between 45 and 80 percent."""

def update(self, pbar):

if 45 < pbar.percentage() < 80:

return 'Bigger Now ' + FileTransferSpeed.update(self,pbar)

else:

return FileTransferSpeed.update(self,pbar)

widgets = [CrazyFileTransferSpeed(),' <<<', Bar(), '>>> ',

Percentage(),' ', ETA()]

pbar = ProgressBar(widgets=widgets, maxval=10000000)

# maybe do something

pbar.start()

for i in range(2000000):

# do something

pbar.update(5*i+1)

pbar.finish()

@example

def example3():

widgets = [Bar('>'), ' ', ETA(), ' ', ReverseBar('<')]

pbar = ProgressBar(widgets=widgets, maxval=10000000).start()

for i in range(1000000):

# do something

pbar.update(10*i+1)

pbar.finish()

@example

def example4():

widgets = ['Test: ', Percentage(), ' ',

Bar(marker='0',left='[',right=']'),

' ', ETA(), ' ', FileTransferSpeed()]

pbar = ProgressBar(widgets=widgets, maxval=500)

pbar.start()

for i in range(100,500+1,50):

time.sleep(0.2)

pbar.update(i)

pbar.finish()

@example

def example5():

pbar = ProgressBar(widgets=[SimpleProgress()], maxval=17).start()

for i in range(17):

time.sleep(0.2)

pbar.update(i + 1)

pbar.finish()

@example

def example6():

pbar = ProgressBar().start()

for i in range(100):

time.sleep(0.01)

pbar.update(i + 1)

pbar.finish()

@example

def example7():

pbar = ProgressBar() # Progressbar can guess maxval automatically.

for i in pbar(range(80)):

time.sleep(0.01)

@example

def example8():

pbar = ProgressBar(maxval=80) # Progressbar can't guess maxval.

for i in pbar((i for i in range(80))):

time.sleep(0.01)

@example

def example9():

pbar = ProgressBar(widgets=['Working: ', AnimatedMarker()])

for i in pbar((i for i in range(50))):

time.sleep(.08)

@example

def example10():

widgets = ['Processed: ', Counter(), ' lines (', Timer(), ')']

pbar = ProgressBar(widgets=widgets)

for i in pbar((i for i in range(150))):

time.sleep(0.1)

@example

def example11():

widgets = [FormatLabel('Processed: %(value)d lines (in: %(elapsed)s)')]

pbar = ProgressBar(widgets=widgets)

for i in pbar((i for i in range(150))):

time.sleep(0.1)

@example

def example12():

widgets = ['Balloon: ', AnimatedMarker(markers='.oO@* ')]

pbar = ProgressBar(widgets=widgets)

for i in pbar((i for i in range(24))):

time.sleep(0.3)

@example

def example13():

# You may need python 3.x to see this correctly

try:

widgets = ['Arrows: ', AnimatedMarker(markers='←↖↑↗→↘↓↙')]

pbar = ProgressBar(widgets=widgets)

for i in pbar((i for i in range(24))):

time.sleep(0.3)

except UnicodeError: sys.stdout.write('Unicode error: skipping example')

@example

def example14():

# You may need python 3.x to see this correctly

try:

widgets = ['Arrows: ', AnimatedMarker(markers='◢◣◤◥')]

pbar = ProgressBar(widgets=widgets)

for i in pbar((i for i in range(24))):

time.sleep(0.3)

except UnicodeError: sys.stdout.write('Unicode error: skipping example')

@example

def example15():

# You may need python 3.x to see this correctly

try:

widgets = ['Wheels: ', AnimatedMarker(markers='◐◓◑◒')]

pbar = ProgressBar(widgets=widgets)

for i in pbar((i for i in range(24))):

time.sleep(0.3)

except UnicodeError: sys.stdout.write('Unicode error: skipping example')

@example

def example16():

widgets = [FormatLabel('Bouncer: value %(value)d - '), BouncingBar()]

pbar = ProgressBar(widgets=widgets)

for i in pbar((i for i in range(180))):

time.sleep(0.05)

@example

def example17():

widgets = [FormatLabel('Animated Bouncer: value %(value)d - '),

BouncingBar(marker=RotatingMarker())]

pbar = ProgressBar(widgets=widgets)

for i in pbar((i for i in range(180))):

time.sleep(0.05)

@example

def example18():

widgets = [Percentage(),

' ', Bar(),

' ', ETA(),

' ', AdaptiveETA()]

pbar = ProgressBar(widgets=widgets, maxval=500)

pbar.start()

for i in range(500):

time.sleep(0.01 + (i < 100) * 0.01 + (i > 400) * 0.9)

pbar.update(i + 1)

pbar.finish()

@example

def example19():

pbar = ProgressBar()

for i in pbar([]):

pass

pbar.finish()

@example

def example20():

"""Widgets that behave differently when length is unknown"""

widgets = ['[When length is unknown at first]',

' Progress: ', SimpleProgress(),

', Percent: ', Percentage(),

' ', ETA(),

' ', AdaptiveETA()]

pbar = ProgressBar(widgets=widgets, maxval=UnknownLength)

pbar.start()

for i in range(20):

time.sleep(0.5)

if i == 10:

pbar.maxval = 20

pbar.update(i + 1)

pbar.finish()

if __name__ == '__main__':

try:

for example in examples: example()

except KeyboardInterrupt:

sys.stdout.write('\nQuitting examples.\n')