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  """ 
19  Contains the Timer class. 
20   
21  :doc:`Tests are found here <unit_timer>`. 
22  """ 
23   
24  import sys 
25  import time 
26 27 28 -class Timer(object):
29 """ 30 A general timer that can measure the elapsed time between 31 a start and end time. 32 33 The timer function used, depends on os (as in timeit.py Python standard library) 34 35 * On Windows, the best timer is time.clock() 36 * On most other platforms the best timer is time.time() 37 """
38 - def __init__(self, timer=None):
39 if timer is not None: 40 self.default_timer = timer 41 else: 42 if sys.platform == "win32": 43 self.default_timer = time.clock 44 else: 45 self.default_timer = time.time
46
47 - def start(self):
48 """Start the timer.""" 49 self._start = self.default_timer()
50
51 - def end(self):
52 """Stop the timer.""" 53 self._end = self.default_timer()
54 55 @property
56 - def elapsed_ms(self):
57 """Return the elapsed time in milliseconds between start and end.""" 58 return (self._end - self._start) * 1000
59