Files
2026-07-13 13:39:38 +08:00

30 lines
863 B
Python

from __future__ import annotations
import time
from collections.abc import Callable
from typing import Generic, TypeVar
T = TypeVar("T")
class PeriodicCollector(Generic[T]):
def __init__(self, callback: Callable[[T], None], *, duration: float) -> None:
self._duration = duration
self._callback = callback
self._last_flush_time = time.monotonic()
self._total: T | None = None
def push(self, value: T) -> None:
if self._total is None:
self._total = value
else:
self._total += value # type: ignore
if time.monotonic() - self._last_flush_time >= self._duration:
self.flush()
def flush(self) -> None:
if self._total is not None:
self._callback(self._total)
self._total = None
self._last_flush_time = time.monotonic()