digital-garbageandClaude Sonnet 5.5
1e0f9bc49e
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
36 lines
1.2 KiB
Python
36 lines
1.2 KiB
Python
"""Background jobs (final render, combined export): ffmpeg can outlast a tunnel's request
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timeout, so the request returns an id and the page polls for it."""
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import asyncio
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import uuid
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from collections import OrderedDict
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MAX_JOBS = 50 # finished jobs are kept this long for the poll that reads them
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_jobs: "OrderedDict[str, dict]" = OrderedDict()
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def new() -> str:
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job = uuid.uuid4().hex
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_jobs[job] = {"state": "queued"}
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while len(_jobs) > MAX_JOBS:
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_jobs.popitem(last=False)
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return job
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def get(job: str) -> dict | None:
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return _jobs.get(job)
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async def run(job: str, fn, *args, error) -> None:
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"""Run the blocking `fn(*args)` off the event loop and record how it ended. `error` is the
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exception class whose message is meant for the person; anything else is reported plainly."""
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_jobs[job] = {"state": "running"}
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try:
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result = await asyncio.to_thread(fn, *args)
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_jobs[job] = {"state": "done", **result}
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except error as exc:
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_jobs[job] = {"state": "error", "detail": str(exc)}
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except Exception as exc: # noqa: BLE001
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_jobs[job] = {"state": "error", "detail": f"{type(exc).__name__}: {exc}"}
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