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adding support for multiple threads #16

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adding support for multiple threads #16

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11 changes: 6 additions & 5 deletions timebudget/timebudget.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@ def my_possibly_slow_function(*args):
import time
from typing import Callable, Optional, Union
import warnings
from threading import get_ident

__all__ = [
'timebudget',
Expand Down Expand Up @@ -67,24 +68,24 @@ def _print(self, msg:str):
self.out_stream.flush()

def start(self, block_name:str):
if block_name in self.start_times:
if (block_name, get_ident()) in self.start_times:
# End should clear out the record, so something odd has happened here.
# try/finally should prevent this, but sometimes it doesn't.
warnings.warn(f"timebudget is confused: timebudget.start({block_name}) without end")
self.start_times[block_name] = time.time()
self.start_times[(block_name, get_ident())] = time.time()

def end(self, block_name:str, quiet:Optional[bool]=None) -> float:
"""Returns number of ms spent in this block this time.
"""
if quiet is None:
quiet = self.quiet_mode
if block_name not in self.start_times:
if (block_name, get_ident()) not in self.start_times:
warnings.warn(f"timebudget is confused: timebudget.end({block_name}) without start")
return float('NaN')
elapsed = 1000*(time.time() - self.start_times[block_name])
elapsed = 1000*(time.time() - self.start_times[(block_name, get_ident())])
self.elapsed_total[block_name] += elapsed
self.elapsed_cnt[block_name] += 1
del self.start_times[block_name]
del self.start_times[(block_name, get_ident())]
if not quiet:
self._print(f"{block_name} took {ms_format(elapsed)}")
return elapsed
Expand Down