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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 Progress(object):
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34 """Show the progress of a process"""
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35
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36 def __init__(self, aim, message = "Progress", verbosity = 0):
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37 self.aim = aim
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38 self.progress = 0
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39 self.message = message
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40 self.length = -1
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41 self.verbosity = verbosity
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42 self.maxMessageSize = 50
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43 self.barSize = 80
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44 self.startTime = time.time()
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45 self.elapsed = 0
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46 if len(self.message) > self.maxMessageSize:
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47 self.message = self.message[0:self.maxMessageSize-3] + "..."
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48 self.show()
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49
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50
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51 def inc(self):
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52 self.progress += 1
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53 self.show()
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54
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55
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56 def getPrintableElapsedTime(self, time):
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57 timeHou = int(time) / 3600
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58 timeMin = int(time) / 60 - 60 * timeHou
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59 timeSec = int(time) % 60
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60 if timeHou > 0:
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61 return "%3dh %2dm" % (timeHou, timeMin)
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62 if timeMin > 0:
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63 return "%2dm %2ds" % (timeMin, timeSec)
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64 return "%2ds " % (timeSec)
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65
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66
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67 def show(self):
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68 if self.verbosity <= 0:
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69 return
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70 if self.aim == 0:
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71 return
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72 messageSize = len(self.message)
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73 length = int(self.progress / float(self.aim) * self.barSize)
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74 elapsed = int(time.time() - self.startTime)
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75 if (length > self.length) or (elapsed > self.elapsed + 10):
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76 self.length = length
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77 self.elapsed = elapsed
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78 string = "%s%s[%s%s] %d/%d" % (self.message, " " * max(0, self.maxMessageSize - messageSize), "=" * self.length, " " * (self.barSize - self.length), self.progress, self.aim)
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79 if elapsed > 5:
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80 done = float(self.progress) / self.aim
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81 total = elapsed / done
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82 remaining = total - elapsed
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83 string += " ETA: %s " % (self.getPrintableElapsedTime(remaining))
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84 string += "\r"
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85 sys.stdout.write(string)
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86 sys.stdout.flush()
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87
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88
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89 def done(self):
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90 if self.verbosity > 0:
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91 messageSize = len(self.message)
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92 elapsed = time.time() - self.startTime
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93 print "%s%s[%s] %d completed in %s " % (self.message, " " * max(0, self.maxMessageSize - messageSize), "=" * self.barSize, self.aim, self.getPrintableElapsedTime(elapsed))
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