ProgressBar v.1 Code

This code was taken form ActiveState Python ProgressBar Recipe.

An example on how to use this one and create your own progress bar.


import sys
import time

class ProgressBar(object):
    """ProgressBar class holds the options of the progress bar.
    The options are:
        start   State from which start the progress. For example, if start is
                5 and the end is 10, the progress of this state is 50%
        end     State in which the progress has terminated.
        width   --
        fill    String to use for "filled" used to represent the progress
        blank   String to use for "filled" used to represent remaining space.
        format  Format
        incremental
    """
    def __init__(self, start=0, end=10, width=12, fill='=', blank='.', format='[%(fill)s>%(blank)s] %(progress)s%%', incremental=True):
        super(ProgressBar, self).__init__()

        self.start = start
        self.end = end
        self.width = width
        self.fill = fill
        self.blank = blank
        self.format = format
        self.incremental = incremental
        self.step = 100 / float(width) #fix
        self.reset()

    def __add__(self, increment):
        increment = self._get_progress(increment)
        if 100 > self.progress + increment:
            self.progress += increment
        else:
            self.progress = 100
        return self

    def __str__(self):
        progressed = int(self.progress / self.step) #fix
        fill = progressed * self.fill
        blank = (self.width - progressed) * self.blank
        return self.format % {'fill': fill, 'blank': blank, 'progress': int(self.progress)}

    __repr__ = __str__

    def _get_progress(self, increment):
        return float(increment * 100) / self.end

    def reset(self):
        """Resets the current progress to the start point"""
        self.progress = self._get_progress(self.start)
        return self

class AnimatedProgressBar(ProgressBar):
    """Extends ProgressBar to allow you to use it straighforward on a script.
    Accepts an extra keyword argument named `stdout` (by default use sys.stdout)
    and may be any file-object to which send the progress status.
    """
    def __init__(self, *args, **kwargs):
        super(AnimatedProgressBar, self).__init__(*args, **kwargs)
        self.stdout = kwargs.get('stdout', sys.stdout)

    def show_progress(self):
        if hasattr(self.stdout, 'isatty') and self.stdout.isatty():
            self.stdout.write('\r')
        else:
            self.stdout.write('\n')
        self.stdout.write(str(self))
        self.stdout.flush()

if __name__ == '__main__':
    p = AnimatedProgressBar(end=100, width=80)

    while True:
        p + 5
        p.show_progress()
        time.sleep(0.1)
        if p.progress == 100:
            break
    print #new line