Files
mcma-backend/app/workers/arq_worker.py
T
Цвылев Александр Вадимович 313af3a070 feat(transcode): optimize + on-the-fly quality + HLS streaming (§6.6)
POST /tracks/{id}/optimize enqueues a transcode; GET /stream/{id}?quality=
serves a cached Opus rendition (miss → master + background warm); GET
/stream/{id}/hls/{playlist.m3u8,segment} serves the worker-generated HLS
rendition (AAC-in-TS), with ?token= propagated onto segment URLs for players
that can't set headers. Hexagonal: Transcoder port, FfmpegTranscoder adapter,
TranscodeService + cache-path helpers, transcode_track worker (idempotent),
schemas + deps wiring. ffmpeg already in the image.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-28 21:19:36 +03:00

45 lines
1.4 KiB
Python

"""arq worker settings — the queue runtime. Task functions register here.
Run with: ``arq app.workers.arq_worker.WorkerSettings``.
"""
from typing import Any, ClassVar
from arq.connections import RedisSettings
from app.core.config import get_settings
from app.core.logging import configure_logging, get_logger
from app.workers.tasks.cleanup_task import cleanup_storage
from app.workers.tasks.download_task import download_track
from app.workers.tasks.enrich_task import enrich_track
from app.workers.tasks.import_task import scan_local_folder
from app.workers.tasks.materialize_task import materialize_track
from app.workers.tasks.transcode_task import transcode_track
log = get_logger("worker")
async def startup(_ctx: dict[str, Any]) -> None:
settings = get_settings()
configure_logging(level=settings.log_level, json=settings.log_json)
log.info("worker_startup", environment=settings.environment)
async def shutdown(_ctx: dict[str, Any]) -> None:
log.info("worker_shutdown")
class WorkerSettings:
functions: ClassVar[list[Any]] = [
scan_local_folder,
enrich_track,
download_track,
materialize_track,
cleanup_storage,
transcode_track,
]
on_startup = startup
on_shutdown = shutdown
max_jobs = get_settings().max_parallel_downloads
redis_settings = RedisSettings.from_dsn(str(get_settings().redis_url))