d781335868
Relocate CircuitBreaker from ingester/pollers to haiku/rag/circuit_breaker so non-ingester callers (docling-serve provider) can reuse it without depending on the ingester package. Co-Authored-By: bryan davis <bryan@monkeytronics.org> Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
48 lines
1.5 KiB
Python
48 lines
1.5 KiB
Python
import asyncio
|
|
from typing import TYPE_CHECKING
|
|
|
|
from haiku.rag.ingester.pollers.base import BasePoller
|
|
|
|
if TYPE_CHECKING:
|
|
from haiku.rag.circuit_breaker import CircuitBreaker
|
|
|
|
|
|
class PeriodicPoller(BasePoller):
|
|
"""Runs `source.discover()` on a fixed interval. Used for HTTP, S3, WebDAV
|
|
— sources that only know about changes when we ask them."""
|
|
|
|
def __init__(
|
|
self,
|
|
*,
|
|
source,
|
|
config,
|
|
job_repo,
|
|
sync_repo,
|
|
breaker: "CircuitBreaker | None" = None,
|
|
default_max_attempts: int = 5,
|
|
):
|
|
super().__init__(
|
|
source=source,
|
|
config=config,
|
|
job_repo=job_repo,
|
|
sync_repo=sync_repo,
|
|
breaker=breaker,
|
|
default_max_attempts=default_max_attempts,
|
|
)
|
|
|
|
async def run(self) -> None: # pragma: no cover - event-loop glue
|
|
# Initial sweep on startup so newly-configured sources are scanned
|
|
# immediately instead of waiting one full interval. The sweep
|
|
# behaviour itself is exercised via `_sweep_once()` unit tests.
|
|
await self._sweep_once()
|
|
if await self._stagger_start():
|
|
return
|
|
while not self._stop.is_set():
|
|
try:
|
|
await asyncio.wait_for(
|
|
self._stop.wait(), timeout=self.config.poll_interval_s
|
|
)
|
|
return
|
|
except TimeoutError:
|
|
pass
|
|
await self._sweep_once()
|