import sys

class ProgressBar:

"""from http://code.activestate.com/recipes/168639-progress-bar-class/

License: http://www.opensource.org/licenses/PythonSoftFoundation.php

"""

def __init__(self, minValue=0, maxValue=10, totalWidth=12):

self.progBar = "[]" # This holds the progress bar string

self.min = minValue

self.max = maxValue

self.span = maxValue - minValue

self.width = totalWidth

self.amount = 0 # When amount == max, we are 100% done

self.updateAmount(0) # Build progress bar string

def updateAmount(self, newAmount=0):

if newAmount < self.min:

newAmount = self.min

if newAmount > self.max:

newAmount = self.max

self.amount = newAmount

# Figure out the new percent done, round to an integer

diffFromMin = float(self.amount - self.min)

percentDone = (diffFromMin / float(self.span)) * 100.0

percentDone = round(percentDone)

percentDone = int(percentDone)

# Figure out how many hash bars the percentage should be

allFull = self.width - 2

numHashes = (percentDone / 100.0) * allFull

numHashes = int(round(numHashes))

# build a progress bar with hashes and spaces

self.progBar = ("[" + '#' * numHashes + ' ' * (allFull - numHashes)

+ "]")

# figure out where to put the percentage, roughly centered

percentPlace = (len(self.progBar) / 2) - len(str(percentDone))

percentString = str(percentDone) + "%"

# slice the percentage into the bar

self.progBar = (self.progBar[0:percentPlace] + percentString

+ self.progBar[percentPlace + len(percentString):])

def __str__(self):

return str(self.progBar)

def draw(self):

"""from

http://code.activestate.com/recipes/168639-progress-bar-class/#c6

Draw progress bar - but only if it has changed

"""

if self.pbar_str != self._old_pbar:

self._old_pbar = self.pbar_str

sys.stdout.write(self.pbar_str + '\r')

sys.stdout.flush() # force updating of screen

class StringUtil(object):

@staticmethod

def create_value(pattern, size):

return ((pattern * (size / len(pattern)))

+ pattern[0:(size % len(pattern))])