44 lines
1014 B
Python
44 lines
1014 B
Python
from time import time
|
|
from .types import FloatOrNone
|
|
|
|
|
|
class StopWatch:
|
|
started: FloatOrNone = None
|
|
stopped: FloatOrNone = None
|
|
|
|
def __init__(self, auto_start=True):
|
|
if auto_start:
|
|
self.start()
|
|
|
|
def start(self):
|
|
self.started = time()
|
|
self.stopped = None
|
|
|
|
def stop(self) -> float:
|
|
self.stopped = time()
|
|
return self.elapsed()
|
|
|
|
reset = start
|
|
|
|
def elapsed(self) -> float:
|
|
if self.stopped is None:
|
|
return time() - self.started
|
|
else:
|
|
return self.stopped - self.started
|
|
|
|
def avg_elapsed(self, divider: int) -> float:
|
|
return self.elapsed() / divider
|
|
|
|
def avg_string(self, divider: int) -> str:
|
|
units = ['s', 'ms', 'µs', 'ns']
|
|
unit = 0
|
|
elapsed = self.avg_elapsed(divider)
|
|
while 0 < elapsed < 1:
|
|
elapsed *= 1000
|
|
unit += 1
|
|
|
|
return "%1.2f%s" % (elapsed, units[unit])
|
|
|
|
def __str__(self):
|
|
return self.avg_string(1)
|