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from time import time |
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from decimal import Decimal |
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_TIMES = [] |
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6
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7
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def now(): |
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"""Capture the current time.""" |
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return time() |
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def rounder(exact, decimals=2): |
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"""Round a float to a certain number of decimal places.""" |
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return round(Decimal(exact), decimals) |
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def human_time(runtime, decimals=2): |
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"""Display runtime in a human friendly format.""" |
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if runtime < 1: |
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return str('mms: ' + str('{:f}'.format(rounder(runtime * 1000, decimals)))) |
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elif runtime < 60: |
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return str('sec: ' + str('{:f}'.format(rounder(runtime, decimals)))) |
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else: |
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return str('min: ' + str('{:f}'.format(rounder(runtime / 60, decimals)))) |
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View Code Duplication |
class Timer: |
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def __init__(self, msg=None, decimal_places=2): |
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self.msg = msg |
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self._decimal_places = decimal_places |
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32
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self.start = now() |
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self.elapsed_str = None |
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self.elapsed_float = None |
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36
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def __str__(self): |
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return str(self.end) |
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def __float__(self): |
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return float(self.elapsed_float) |
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def __enter__(self): |
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return self |
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def __exit__(self, exc_type, exc_val, exc_tb): |
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if self.msg: |
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print(self.msg, self.end) |
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else: |
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print(self.end) |
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@property |
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def end(self): |
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# Calculate run time |
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return human_time(now() - self.start, self._decimal_places) |
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@staticmethod |
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def decorator(func): |
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"""A function timer decorator.""" |
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def function_timer(*args, **kwargs): |
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"""A nested function for timing other functions.""" |
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# Capture start time |
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start = now() |
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# Execute function with arguments |
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value = func(*args, **kwargs) |
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# Calculate run time |
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runtime = human_time(now() - start) |
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print('{func:50} --> {time}'.format(func=func.__qualname__, time=runtime)) |
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_TIMES.append((func.__qualname__, runtime)) |
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return value |
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return function_timer |
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75
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@staticmethod |
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def decorator_noprint(func): |
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"""A function timer decorator.""" |
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def function_timer(*args, **kwargs): |
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"""A nested function for timing other functions.""" |
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# Capture start time |
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start = now() |
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# Execute function with arguments |
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value = func(*args, **kwargs) |
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86
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# Calculate run time |
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runtime = human_time(now() - start) |
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_TIMES.append((func.__qualname__, runtime)) |
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return value |
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90
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91
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return function_timer |
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93
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@property |
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def times(self): |
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return _TIMES |
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@staticmethod |
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def print_times(class_name=None): |
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for index, ft in enumerate( |
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sorted([(func, t) for func, t in Timer().times if class_name and func.startswith(class_name)], |
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key=lambda e: e[1])): |
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func, t = ft |
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print('{0}.) {1:35} --> {2}'.format(index, func, t)) |
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sfneal /
looptools
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