97 lines
2.4 KiB
ReStructuredText
97 lines
2.4 KiB
ReStructuredText
===========
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timeutils
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===========
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Using a stopwatch (as a context manager)
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----------------------------------------
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::
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>>> from oslo_utils import timeutils
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>>> import time
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>>>
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>>> def slow_routine(delay):
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... def i_am_slow():
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... time.sleep(delay)
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... return i_am_slow
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...
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>>>
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>>> half_sec_func = slow_routine(0.5)
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>>> with timeutils.StopWatch() as w:
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... half_sec_func()
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...
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>>> print(w.elapsed())
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0.500243999995
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Manually using a stopwatch
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--------------------------
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::
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>>> from oslo_utils import timeutils
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>>> import time
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>>> w = timeutils.StopWatch()
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>>> w.start()
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<oslo_utils.timeutils.StopWatch object at 0x2b85a0ab7590>
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>>> time.sleep(0.1)
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>>> time.sleep(0.1)
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>>> time.sleep(0.1)
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>>> time.sleep(0.1)
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>>> w.stop()
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<oslo_utils.timeutils.StopWatch object at 0x2b85a0ab7590>
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>>> w.elapsed()
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13.96467600017786
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Tracking durations with a stopwatch
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-----------------------------------
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::
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>>> from oslo_utils import timeutils
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>>> w = timeutils.StopWatch(duration=10)
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>>> w.start()
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<oslo_utils.timeutils.StopWatch object at 0x2b85a7940a10>
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>>> w.elapsed()
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2.023942000232637
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>>> w.leftover()
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4.648160999640822
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>>> w.leftover()
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3.5522090001031756
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>>> w.leftover()
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3.0481000002473593
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>>> w.leftover()
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2.1918740002438426
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>>> w.leftover()
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1.6966530000790954
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>>> w.leftover()
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1.1202940000221133
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>>> w.leftover()
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0.0
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>>> w.expired()
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True
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Tracking and splitting with a stopwatch
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---------------------------------------
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::
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>>> from oslo_utils import timeutils
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>>> w = timeutils.StopWatch()
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>>> w.start()
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<oslo_utils.timeutils.StopWatch object at 0x2ba75c12b050>
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>>> w.split()
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Split(elapsed=3.02423300035, length=3.02423300035)
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>>> w.split()
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Split(elapsed=6.44820600003, length=3.42397299968)
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>>> w.split()
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Split(elapsed=7.9678720003, length=1.51966600027)
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>>> w.splits
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(Split(elapsed=3.02423300035, length=3.02423300035), Split(elapsed=6.44820600003, length=3.42397299968), Split(elapsed=7.9678720003, length=1.51966600027))
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>>> w.stop()
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<oslo_utils.timeutils.StopWatch object at 0x2ba75c12b050>
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>>> w.elapsed()
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16.799759999848902
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>>> w.splits
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(Split(elapsed=3.02423300035, length=3.02423300035), Split(elapsed=6.44820600003, length=3.42397299968), Split(elapsed=7.9678720003, length=1.51966600027))
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