Mercurial > repos > yufei-luo > s_mart

comparison SMART/Java/Python/misc/Progress.py @ 6:769e306b7933

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author yufei-luo
date Fri, 18 Jan 2013 04:54:14 -0500
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5:ea3082881bf8 6:769e306b7933
1 #
2 # Copyright INRA-URGI 2009-2010
3 #
4 # This software is governed by the CeCILL license under French law and
5 # abiding by the rules of distribution of free software. You can use,
6 # modify and/ or redistribute the software under the terms of the CeCILL
7 # license as circulated by CEA, CNRS and INRIA at the following URL
8 # "http://www.cecill.info".
9 #
10 # As a counterpart to the access to the source code and rights to copy,
11 # modify and redistribute granted by the license, users are provided only
12 # with a limited warranty and the software's author, the holder of the
13 # economic rights, and the successive licensors have only limited
14 # liability.
15 #
16 # In this respect, the user's attention is drawn to the risks associated
17 # with loading, using, modifying and/or developing or reproducing the
18 # software by the user in light of its specific status of free software,
19 # that may mean that it is complicated to manipulate, and that also
20 # therefore means that it is reserved for developers and experienced
21 # professionals having in-depth computer knowledge. Users are therefore
22 # encouraged to load and test the software's suitability as regards their
23 # requirements in conditions enabling the security of their systems and/or
24 # data to be ensured and, more generally, to use and operate it in the
25 # same conditions as regards security.
26 #
27 # The fact that you are presently reading this means that you have had
28 # knowledge of the CeCILL license and that you accept its terms.
29 #
30 import sys
31 import time
32
33 class Progress(object):
34 """Show the progress of a process"""
35
36 def __init__(self, aim, message = "Progress", verbosity = 0):
37 self.aim = aim
38 self.progress = 0
39 self.message = message
40 self.length = -1
41 self.verbosity = verbosity
42 self.maxMessageSize = 50
43 self.barSize = 80
44 self.startTime = time.time()
45 self.elapsed = 0
46 if len(self.message) > self.maxMessageSize:
47 self.message = self.message[0:self.maxMessageSize-3] + "..."
48 self.show()
49
50
51 def inc(self):
52 self.progress += 1
53 self.show()
54
55
56 def getPrintableElapsedTime(self, time):
57 timeHou = int(time) / 3600
58 timeMin = int(time) / 60 - 60 * timeHou
59 timeSec = int(time) % 60
60 if timeHou > 0:
61 return "%3dh %2dm" % (timeHou, timeMin)
62 if timeMin > 0:
63 return "%2dm %2ds" % (timeMin, timeSec)
64 return "%2ds " % (timeSec)
65
66
67 def show(self):
68 if self.verbosity <= 0:
69 return
70 if self.aim == 0:
71 return
72 messageSize = len(self.message)
73 length = int(self.progress / float(self.aim) * self.barSize)
74 elapsed = int(time.time() - self.startTime)
75 if (length > self.length) or (elapsed > self.elapsed + 10):
76 self.length = length
77 self.elapsed = elapsed
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)
79 if elapsed > 5:
80 done = float(self.progress) / self.aim
81 total = elapsed / done
82 remaining = total - elapsed
83 string += " ETA: %s " % (self.getPrintableElapsedTime(remaining))
84 string += "\r"
85 sys.stdout.write(string)
86 sys.stdout.flush()
87
88
89 def done(self):
90 if self.verbosity > 0:
91 messageSize = len(self.message)
92 elapsed = time.time() - self.startTime
93 print "%s%s[%s] %d completed in %s " % (self.message, " " * max(0, self.maxMessageSize - messageSize), "=" * self.barSize, self.aim, self.getPrintableElapsedTime(elapsed))