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111 lines
3.6 KiB
Python
111 lines
3.6 KiB
Python
#!/usr/bin/env python
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"""
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Copyright (c) 2006-2013 sqlmap developers (http://sqlmap.org/)
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See the file 'doc/COPYING' for copying permission
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"""
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from lib.core.common import getUnicode
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from lib.core.common import dataToStdout
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from lib.core.data import conf
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from lib.core.data import kb
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class ProgressBar(object):
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"""
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This class defines methods to update and draw a progress bar
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"""
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def __init__(self, minValue=0, maxValue=10, totalWidth=None):
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self._progBar = "[]"
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self._oldProgBar = ""
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self._min = int(minValue)
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self._max = int(maxValue)
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self._span = self._max - self._min
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self._width = totalWidth if totalWidth else conf.progressWidth
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self._amount = 0
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self._times = []
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self.update()
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def _convertSeconds(self, value):
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seconds = value
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minutes = seconds / 60
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seconds = seconds - (minutes * 60)
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return "%.2d:%.2d" % (minutes, seconds)
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def update(self, newAmount=0):
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"""
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This method updates the progress bar
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"""
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if newAmount < self._min:
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newAmount = self._min
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elif newAmount > self._max:
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newAmount = self._max
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self._amount = newAmount
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# Figure out the new percent done, round to an integer
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diffFromMin = float(self._amount - self._min)
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percentDone = (diffFromMin / float(self._span)) * 100.0
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percentDone = round(percentDone)
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percentDone = int(percentDone)
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# Figure out how many hash bars the percentage should be
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allFull = self._width - len("100%% [] %s/%s ETA 00:00" % (self._max, self._max))
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numHashes = (percentDone / 100.0) * allFull
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numHashes = int(round(numHashes))
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# Build a progress bar with an arrow of equal signs
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if numHashes == 0:
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self._progBar = "[>%s]" % (" " * (allFull - 1))
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elif numHashes == allFull:
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self._progBar = "[%s]" % ("=" * allFull)
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else:
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self._progBar = "[%s>%s]" % ("=" * (numHashes - 1),
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" " * (allFull - numHashes))
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# Add the percentage at the beginning of the progress bar
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percentString = getUnicode(percentDone) + "%"
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self._progBar = "%s %s" % (percentString, self._progBar)
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def progress(self, deltaTime, newAmount):
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"""
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This method saves item delta time and shows updated progress bar with calculated eta
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"""
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if len(self._times) <= ((self._max * 3) / 100) or newAmount > self._max:
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eta = 0
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else:
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midTime = sum(self._times) / len(self._times)
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midTimeWithLatest = (midTime + deltaTime) / 2
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eta = midTimeWithLatest * (self._max - newAmount)
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self._times.append(deltaTime)
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self.update(newAmount)
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self.draw(eta)
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def draw(self, eta=0):
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"""
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This method draws the progress bar if it has changed
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"""
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if self._progBar != self._oldProgBar:
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self._oldProgBar = self._progBar
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if eta and self._amount < self._max:
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dataToStdout("\r%s %d/%d ETA %s" % (self._progBar, self._amount, self._max, self._convertSeconds(int(eta))))
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else:
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dataToStdout("\r%s\r" % (" " * (self._width - 1)))
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if self._amount < self._max:
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dataToStdout("%s %d/%d" % (self._progBar, self._amount, self._max))
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else:
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kb.prependFlag = False
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def __str__(self):
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"""
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This method returns the progress bar string
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"""
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return getUnicode(self._progBar)
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