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ctmiller on 01/14/10

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Last Edited at 01/14/10 09:05am

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progress_bar.py

progress_bar.py

/ Published in: Python
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Found on [Corey Goldberg's blog](http://coreygoldberg.blogspot.com/2010/01/python-command-line-progress-bar-with.html). Usage:

from progress_bar import ProgressBar
p = ProgressBar(60)
p.update_time(15)
print p
p.fill_char = '='
p.update_time(40)
print p

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  1. #!/usr/bin/env python
  2. #
  3. # ascii command-line progress bar with percentage and elapsed time display
  4. #
  5. # adapted from Pylot source code (original by Vasil Vangelovski)
  6. # modified by Corey Goldberg - 2010
  7.  
  8.  
  9.  
  10. class ProgressBar:
  11.     def __init__(self, duration):
  12.         self.duration = duration
  13.         self.prog_bar = '[]'
  14.         self.fill_char = '#'
  15.         self.width = 40
  16.         self.__update_amount(0)
  17.  
  18.     def __update_amount(self, new_amount):
  19.         percent_done = int(round((new_amount / 100.0) * 100.0))
  20.         all_full = self.width - 2
  21.         num_hashes = int(round((percent_done / 100.0) * all_full))
  22.         self.prog_bar = '[' + self.fill_char * num_hashes + ' ' * (all_full - num_hashes) + ']'
  23.         pct_place = (len(self.prog_bar) / 2) - len(str(percent_done))
  24.         pct_string = '%i%%' % percent_done
  25.         self.prog_bar = self.prog_bar[0:pct_place] + \
  26.             (pct_string + self.prog_bar[pct_place + len(pct_string):])
  27.  
  28.     def update_time(self, elapsed_secs):
  29.         self.__update_amount((elapsed_secs / float(self.duration)) * 100.0)
  30.         self.prog_bar += '  %ds/%ss' % (elapsed_secs, self.duration)
  31.  
  32.     def __str__(self):
  33.         return str(self.prog_bar)
  34.  
  35.  
  36.  
  37. if __name__ == '__main__':
  38.     p = ProgressBar(60)
  39.  
  40.     p.update_time(15)
  41.     print p
  42.  
  43.     p.fill_char = '='
  44.     p.update_time(40)
  45.     print p

URL: http://code.google.com/p/corey-projects/source/browse/trunk/python2/progress_bar.py

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