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import sys
class Progress(object):
def __init__(self, units, current, total=None):
self.units = units
self.current = current
self.total = total
self.percent = None
if self.total is not None:
self.percent = 100.0 * current / total
def __str__(self):
if self.total is not None:
return "%i of %i %s %.1f%%" % (self.current, self.total, self.units,
self.percent)
else:
return "%i %s" (self.current, self.units)
def progress_bar(progress):
fmt = " %i of %i %s (%.1f%%)"
f = fmt % (progress.total, progress.total, progress.units, 100.0)
max = len(f)
cols = 77 - max
markers = int (float(cols) * progress.current / progress.total)
txt = fmt % (progress.current, progress.total, progress.units,
progress.percent)
sys.stdout.write("\r[%s%s]%s" % ('='*markers, ' '*(cols-markers), txt))
def clear_progress_bar():
sys.stdout.write('\r%s\r' % (' '*79))
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