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6
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1 #
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2 # Copyright INRA-URGI 2009-2010
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3 #
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4 # This software is governed by the CeCILL license under French law and
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5 # abiding by the rules of distribution of free software. You can use,
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6 # modify and/ or redistribute the software under the terms of the CeCILL
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7 # license as circulated by CEA, CNRS and INRIA at the following URL
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8 # "http://www.cecill.info".
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9 #
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10 # As a counterpart to the access to the source code and rights to copy,
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11 # modify and redistribute granted by the license, users are provided only
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12 # with a limited warranty and the software's author, the holder of the
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13 # economic rights, and the successive licensors have only limited
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14 # liability.
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15 #
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16 # In this respect, the user's attention is drawn to the risks associated
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17 # with loading, using, modifying and/or developing or reproducing the
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18 # software by the user in light of its specific status of free software,
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19 # that may mean that it is complicated to manipulate, and that also
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20 # therefore means that it is reserved for developers and experienced
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21 # professionals having in-depth computer knowledge. Users are therefore
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22 # encouraged to load and test the software's suitability as regards their
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23 # requirements in conditions enabling the security of their systems and/or
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24 # data to be ensured and, more generally, to use and operate it in the
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25 # same conditions as regards security.
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26 #
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27 # The fact that you are presently reading this means that you have had
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28 # knowledge of the CeCILL license and that you accept its terms.
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29 #
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30 import sys
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31 import time
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32
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33 class UnlimitedProgress(object):
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34 """Show the progress of a process when no upper bound is known"""
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35
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36 def __init__(self, step = 1000, message = "Progress", verbosity = 0):
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37 self.step = step
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38 self.progress = 0
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39 self.message = message
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40 self.verbosity = verbosity
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41 self.maxMessageSize = 50
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42 self.startTime = time.time()
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43 self.elapsed = 0
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44 if len(self.message) > self.maxMessageSize:
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45 self.message = self.message[0:self.maxMessageSize-3] + "..."
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46 self.show()
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47
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48
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49 def inc(self):
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50 self.progress += 1
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51 self.show()
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52
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53
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54 def getPrintableElapsedTime(self, time):
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55 timeHou = int(time) / 3600
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56 timeMin = int(time) / 60 - 60 * timeHou
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57 timeSec = int(time) % 60
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58 if timeHou > 0:
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59 return "%3dh %2dm" % (timeHou, timeMin)
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60 if timeMin > 0:
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61 return "%2dm %2ds" % (timeMin, timeSec)
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62 return "%2ds" % (timeSec)
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63
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64
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65 def show(self):
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66 if self.verbosity <= 0:
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67 return
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68 elapsed = int(time.time() - self.startTime)
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69 if (self.progress % self.step == 0) or (elapsed > self.elapsed + 10):
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70 self.elapsed = elapsed
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71 string = "%s %d -- time spent: %s\r" % (self.message, self.progress, self.getPrintableElapsedTime(elapsed))
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72 sys.stdout.write(string)
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73 sys.stdout.flush()
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74
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75
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76 def done(self):
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77 if self.verbosity > 0:
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78 elapsed = time.time() - self.startTime
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79 string = "%s %d -- time spent: %s\r" % (self.message, self.progress, self.getPrintableElapsedTime(elapsed))
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80 print string
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81
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