Hartmut
7a1329958d
- fix(render): ffmpeg overlay=0:0 -> overlay=0:0:shortest=1 to prevent hang on finite PNG sequences - feat(ws): add core/websocket.py ConnectionManager + Redis Pub/Sub subscriber loop - feat(ws): add /api/ws WebSocket endpoint with JWT query-param auth in main.py - feat(ws): emit render_complete/failed + cad_processing_complete events from step_tasks.py - feat(ws): emit order_status_change events from orders router - feat(ws): add beat_tasks.py broadcast_queue_status task (every 10s via Redis __broadcast__) - feat(frontend): add useWebSocket hook with auto-reconnect (exponential backoff, 25s ping) - feat(frontend): add WebSocketContext + WebSocketProvider wrapping App - refactor(frontend): remove polling from WorkerActivity (was 5s/3s) + OrderDetail (was 5s) - refactor(frontend): reduce polling in Layout (8s->60s) + NotificationCenter (15s->60s) - docs: add ffmpeg shortest=1 + WebSocket JWT auth learnings to LEARNINGS.md Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
34 lines
1.1 KiB
Python
34 lines
1.1 KiB
Python
"""Celery Beat periodic tasks."""
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from __future__ import annotations
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import json
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import logging
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from celery import shared_task
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logger = logging.getLogger(__name__)
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@shared_task(name="app.tasks.beat_tasks.broadcast_queue_status", queue="step_processing")
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def broadcast_queue_status() -> None:
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"""Broadcast current queue depths to all WebSocket clients every 10s.
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Publishes to the Redis '__broadcast__' channel which the WebSocket
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subscriber in the FastAPI process forwards to all connected clients.
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"""
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try:
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import redis as sync_redis
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from app.config import settings
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r = sync_redis.from_url(settings.redis_url, decode_responses=True)
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depths = {
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"step_processing": r.llen("step_processing"),
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"thumbnail_rendering": r.llen("thumbnail_rendering"),
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}
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event = {"type": "queue_update", "depths": depths}
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r.publish("__broadcast__", json.dumps(event))
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r.close()
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logger.debug("Broadcast queue_update: %s", depths)
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except Exception as exc:
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logger.warning("broadcast_queue_status failed: %s", exc)
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