python-progressbar/examples.py at develop · littmus/python-progressbar · GitHub

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#!/usr/bin/python

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

from __future__ import print_function

import sys

import time

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

FileTransferSpeed, FormatLabel, Percentage, \

ProgressBar, ReverseBar, RotatingMarker, \

SimpleProgress, Timer, AdaptiveETA, AdaptiveTransferSpeed

examples = []

def example(fn):

def wrapped():

try:

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

fn()

sys.stdout.write('\n')

except KeyboardInterrupt:

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

examples.append(wrapped)

return wrapped

@example

def with_example0():

with ProgressBar(max_value=10) as progress:

for i in range(10):

# do something

time.sleep(0.001)

progress.update(i)

@example

def with_example1():

with ProgressBar(max_value=10, redirect_stdout=True) as p:

for i in range(10):

# do something

p.update(i)

time.sleep(0.001)

@example

def example0():

pbar = ProgressBar(widgets=[Percentage(), Bar()], max_value=10).start()

for i in range(10):

# do something

time.sleep(0.001)

pbar.update(i + 1)

pbar.finish()

@example

def example1():

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

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

pbar = ProgressBar(widgets=widgets, max_value=1000).start()

for i in range(100):

# 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, max_value=1000)

# maybe do something

pbar.start()

for i in range(200):

# do something

pbar.update(5 * i + 1)

pbar.finish()

@example

def example3():

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

pbar = ProgressBar(widgets=widgets, max_value=1000).start()

for i in range(100):

# 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, max_value=500)

pbar.start()

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

time.sleep(0.001)

pbar.update(i)

pbar.finish()

@example

def example5():

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

for i in range(17):

time.sleep(0.001)

pbar.update(i + 1)

pbar.finish()

@example

def example6():

pbar = ProgressBar().start()

for i in range(10):

time.sleep(0.001)

pbar.update(i + 1)

pbar.finish()

@example

def example7():

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

for i in pbar(range(8)):

time.sleep(0.001)

@example

def example8():

pbar = ProgressBar(max_value=8) # Progressbar can't guess max_value.

for i in pbar((i for i in range(8))):

time.sleep(0.001)

@example

def example9():

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

for i in pbar((i for i in range(5))):

time.sleep(0.001)

@example

def example10():

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

pbar = ProgressBar(widgets=widgets)

for i in pbar((i for i in range(15))):

time.sleep(0.001)

@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(15))):

time.sleep(0.001)

@example

def example12():

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

pbar = ProgressBar(widgets=widgets)

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

time.sleep(0.001)

@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(0.001)

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(0.001)

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(0.001)

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(100))):

time.sleep(0.001)

@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(18))):

time.sleep(0.001)

@example

def with_example18():

with ProgressBar(max_value=10, term_width=20, left_justify=False) as \

progress:

assert progress._env_size() is not None

for i in range(10):

progress.update(i)

@example

def with_example19():

with ProgressBar(max_value=1) as progress:

try:

progress.update(2)

except ValueError:

pass

@example

def with_example20():

progress = ProgressBar(max_value=1)

try:

progress.update(1)

except RuntimeError:

pass

@example

def with_example21a():

with ProgressBar(max_value=1, redirect_stdout=True) as progress:

print('', file=sys.stdout)

progress.update(0)

@example

def with_example21b():

with ProgressBar(max_value=1, redirect_stderr=True) as progress:

print('', file=sys.stderr)

progress.update(0)

@example

def with_example22():

try:

with ProgressBar(max_value=-1) as progress:

progress.start()

except ValueError:

pass

@example

def example23():

widgets = [BouncingBar(marker=RotatingMarker())]

with ProgressBar(widgets=widgets, max_value=20, term_width=10) as progress:

for i in range(20):

progress.update(i)

widgets = [BouncingBar(marker=RotatingMarker(), fill_left=False)]

with ProgressBar(widgets=widgets, max_value=20, term_width=10) as progress:

for i in range(20):

progress.update(i)

@example

def example24():

pbar = ProgressBar(widgets=[Percentage(), Bar()], max_value=10).start()

for i in range(10):

# do something

time.sleep(0.001)

pbar += 1

pbar.finish()

@example

def example25():

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

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

pbar = ProgressBar(widgets=widgets, max_value=1000,

redirect_stdout=True).start()

for i in range(100):

# do something

pbar += 10

pbar.finish()

@example

def example26():

widgets = [

Percentage(),

' ', Bar(),

' ', ETA(),

' ', AdaptiveETA(),

' ', AdaptiveTransferSpeed(),

]

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

pbar.start()

for i in range(500):

time.sleep(0.001 + (i < 100) * 0.0001 + (i > 400) * 0.009)

pbar.update(i + 1)

pbar.finish()

@example

def example27():

# Testing AdaptiveETA when the value doesn't actually change

pbar = ProgressBar(widgets=[AdaptiveETA(), AdaptiveTransferSpeed()],

max_value=2, poll=0.0001)

pbar.start()

pbar.update(1)

time.sleep(0.001)

pbar.update(1)

pbar.finish()

@example

def example28():

# Testing using progressbar as an iterator with a max value

pbar = ProgressBar()

for n in pbar(iter(range(100)), 100):

# iter range is a way to get an iterator in both python 2 and 3

pass

if __name__ == '__main__':

try:

for example in examples:

example()

except KeyboardInterrupt:

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

python-progressbar/examples.py at develop · littmus/python-progressbar · GitHub

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