ebbe.bassandClaude Sonnet 5.5
20510a73e5
SMTP adapter with TLS and a fake, outbox with retries, backoff, rate limit and restart safety, scheduler tick with job-run records started by gunicorn, and a send_test_mail command. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01N3t4WL7bd9bdHHNjEsxzqC
52 lines
1.4 KiB
Python
52 lines
1.4 KiB
Python
"""The scheduler thread: one per process, one tick every 30 seconds (AD-12)."""
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from __future__ import annotations
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import logging
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import threading
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from collections.abc import Callable
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from django.db import close_old_connections
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from . import services
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logger = logging.getLogger(__name__)
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TICK_SECONDS = 30
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class Runner:
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def __init__(self, tick: Callable[[], None] = services.tick, interval: float = TICK_SECONDS):
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self._tick = tick
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self._interval = interval
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self._stop = threading.Event()
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self._thread: threading.Thread | None = None
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def start(self) -> None:
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"""Start the thread; calling it again while it runs does nothing."""
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if self._thread is not None and self._thread.is_alive():
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return
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self._stop.clear()
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self._thread = threading.Thread(target=self._loop, name="scheduler", daemon=True)
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self._thread.start()
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def stop(self, timeout: float = 5) -> None:
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self._stop.set()
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if self._thread is not None:
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self._thread.join(timeout)
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def _loop(self) -> None:
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logger.info("Scheduler started")
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while not self._stop.is_set():
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try:
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self._tick()
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except Exception:
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logger.exception("Scheduler tick failed")
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finally:
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close_old_connections()
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self._stop.wait(self._interval)
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logger.info("Scheduler stopped")
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runner = Runner()
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