Files
Lyra/worker/lyra_worker/main.py
T

58 lines
2.1 KiB
Python

import time
from lyra_worker.claim import claim_next
from lyra_worker.config import get_config
from lyra_worker.db import wait_for_db
from lyra_worker.library import clear_staging_root
from lyra_worker.monitor import MonitorConfig, reconcile, sweep
from lyra_worker.pipeline import run_pipeline
from lyra_worker.registry import build_adapters, build_browser, build_resolver, build_tagger
IDLE_SLEEP = 2.0
MONITOR_TICK_SECONDS = 60.0
DEST_ROOT = "/music" # must match run_pipeline's default library root
def run_forever() -> None:
conn = wait_for_db()
clear_staging_root(DEST_ROOT) # sweep any staging dirs orphaned by a prior crash
adapters = build_adapters(get_config(conn))
resolver = build_resolver()
tagger = build_tagger()
browser = build_browser()
print(f"worker: {len(adapters)} adapter(s) enabled: {[a.name for a in adapters]}", flush=True)
print("worker: waiting for jobs", flush=True)
last_tick = 0.0
try:
while True:
mcfg = MonitorConfig.from_config(get_config(conn))
now = time.monotonic()
if mcfg.enabled and now - last_tick >= MONITOR_TICK_SECONDS:
try:
sweep(conn, browser, mcfg)
except Exception as e: # a monitor error must never kill the worker
print(f"worker: monitor sweep failed: {e}", flush=True)
conn.rollback()
last_tick = now
job_id = claim_next(conn)
if job_id is None:
time.sleep(IDLE_SLEEP)
continue
print(f"worker: claimed job {job_id}", flush=True)
run_pipeline(conn, job_id, adapters, resolver=resolver, tagger=tagger,
upgrade_cutoff=mcfg.quality_cutoff)
if mcfg.enabled:
try:
reconcile(conn, job_id, mcfg)
except Exception as e:
print(f"worker: reconcile failed for job {job_id}: {e}", flush=True)
conn.rollback()
print(f"worker: finished job {job_id}", flush=True)
finally:
conn.close()
if __name__ == "__main__":
run_forever()