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progressbar.py
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progressbar.py
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# Simple progress bar implemntations with customizable template
class ProgressBar():
def __init__(self, total, prefix='', suffix='', use_percent=True, width=30,
empty='-', full='#', template='{prefix} |{bar}| {ptot} {suffix}', show=False):
assert (total > 0 and width > 0)
self.total = total
self.prefix = prefix
self.suffix = suffix
self.progress = 0
self.use_percent = use_percent
self.width = width
self.empty = empty[:1]
self.full = full[:1]
self.template = template
if show:
self.update_and_show(progress=0)
def _percent_string(self, percent):
return '{:3d}%'.format(int(percent))
def _build_progressbar(self):
sit = self.progress / self.total
n_full = int(self.width * sit)
n_empty = self.width - n_full
bar = self.full * n_full + self.empty * n_empty
ptot = self._percent_string(100*sit) if self.use_percent else '{:d}/{:d}'.format(self.progress, self.total)
kwargs = {'prefix': self.prefix, 'bar': bar, 'ptot': ptot, 'suffix': self.suffix}
fullbar = self.template.format(**kwargs)
return fullbar
def update_and_show(self, progress=None, prefix=None, suffix=None):
assert (progress == None or (progress >= 0 and progress <= self.total))
self.progress = progress if progress != None else min(self.progress + 1, self.total)
self.prefix = prefix if prefix != None else self.prefix
self.suffix = suffix if suffix != None else self.suffix
print('\r' + self._build_progressbar(), end='')