A class for timing code (start/stop, context manager, decorator).
A class for timing code. A Stopwatch object can be used to time code using its start and stop methods:
from et_stopwatch import Stopwatch stopwatch = Stopwatch() # create and start the stopwatch sleep(1) stopwatch.stop() print(stopwatch) stopwatch : 1.003744 s
Use as a context manager:
with Stopwatch(message='This took') as sw: # using a custom message for i in range(3): sleep(1) print(i, sw.stop(), 's') # stop() returns the time since the last call to start|stop in seconds 0 1.004943 1 1.004948 2 1.003404 This took : total : 3.0132949999999994 s minimum: 1.003404 s maximum: 1.004948 s mean : 1.004432 s stddev : 0.000727 s count : 3
Since stop was called more than once, some statistics are printed. Use as a decorator:
@Stopwatch(name="say_hi_and_sleep_two_seconds", ndigits=3) # custom message, print only 3 digits. def say_hi_and_sleep_two_seconds(): print("hi") sleep(2) say_hi_and_sleep_two_seconds() hi say_hi_and_sleep_two_seconds : 2.003 s
Free software: MIT license
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