Package Gnumed :: Package timelinelib :: Module timer
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Source Code for Module Gnumed.timelinelib.timer

 1  # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018  Rickard Lindberg, Roger Lindberg 
 2  # 
 3  # This file is part of Timeline. 
 4  # 
 5  # Timeline is free software: you can redistribute it and/or modify 
 6  # it under the terms of the GNU General Public License as published by 
 7  # the Free Software Foundation, either version 3 of the License, or 
 8  # (at your option) any later version. 
 9  # 
10  # Timeline is distributed in the hope that it will be useful, 
11  # but WITHOUT ANY WARRANTY; without even the implied warranty of 
12  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
13  # GNU General Public License for more details. 
14  # 
15  # You should have received a copy of the GNU General Public License 
16  # along with Timeline.  If not, see <http://www.gnu.org/licenses/>. 
17   
18  """Contains the Timer class.""" 
19   
20  import sys 
21  import time 
22 23 24 -class Timer(object):
25 """ 26 A general timer that can measure the elapsed time between 27 a start and end time. 28 29 The timer function used, depends on os (as in timeit.py Python standard library) 30 31 * On Windows, the best timer is time.clock() 32 * On most other platforms the best timer is time.time() 33 """
34 - def __init__(self, timer=None):
35 if timer is not None: 36 self.default_timer = timer 37 else: 38 if sys.platform == "win32": 39 self.default_timer = time.clock 40 else: 41 self.default_timer = time.time
42
43 - def start(self):
44 """Start the timer.""" 45 self._start = self.default_timer()
46
47 - def end(self):
48 """Stop the timer.""" 49 self._end = self.default_timer()
50 51 @property
52 - def elapsed_ms(self):
53 """Return the elapsed time in milliseconds between start and end.""" 54 return (self._end - self._start) * 1000
55