BerGeo/h2/profile.py

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Python
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2018-10-18 16:41:18 +00:00
import time
from collections import defaultdict
from contextlib import ContextDecorator
from typing import Tuple
class Profiler(ContextDecorator):
results = defaultdict(float)
def __init__(self, name: str, excluded: Tuple = None) -> None:
self.name = name
self.excluded = excluded or ()
def __enter__(self):
self.start = time.time()
return self
def __exit__(self, *exc):
stop = time.time()
excluded = sum(self.results[e] for e in self.excluded)
self.results[self.name] += stop - self.start - excluded
return False
@classmethod
def reset(cls):
cls.results.clear()