peter
bf99444ded
The Files library starts here. A user's every download, clip and upload now lands in a source folder made per origin (YouTube, Plex clips, uploads, one per other site), decided once in downloads/folders.py at every place a job is made. How long a file stays moves from the shared asset to the user's job: stamped from its folder when it is done, never for a file the user keeps. The GC warns each user once, then takes the expired file out of their library; the cache cap never evicts a kept file, and an evicted one leaves every holder's library. The media mount is /files now (FILES_ROOT, FILES_HOST_PATH, volume siftlode_files); docs/self-hosting.md says how to carry an old volume over. Migration 0102 places every existing job and carries each done file's expiry over from its asset. safe_abs_path takes a missing path and answers None, which drops one baselined type error.
105 lines
4.5 KiB
Python
105 lines
4.5 KiB
Python
"""One-off backfill for downloads made before per-asset channel URLs + poster fallbacks existed.
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Fills `media_assets.uploader_url` (re-extracting metadata for YouTube/Facebook sources, so an
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auto-detected channel becomes a clickable link) and `poster_path` (an ffmpeg frame for
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thumbnail-less sources, so the card / watch page / link preview still shows an image). Best-effort
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and safe to re-run: it only touches assets still missing the field, and only re-fetches YouTube /
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Facebook sources (a direct media URL like a reddit HLS manifest carries no channel and its signed
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URL may have expired — those just get a locally-generated poster instead).
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Run once per environment:
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docker exec siftlode-worker-1 python -c "from app.downloads import backfill; print(backfill.run())"
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"""
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from urllib.parse import urlsplit
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import yt_dlp
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from sqlalchemy import select
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from app import logs
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from app.config import settings
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from app.db import SessionLocal
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from app.downloads import adapters
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from app.downloads import edit as editmod
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from app.downloads import formats, service
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from app.models import MediaAsset
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log = logs.get_logger(__name__)
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def _extract_meta(url: str, adapter: adapters.SourceAdapter, asset_id: int) -> dict | None:
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"""Metadata-only yt-dlp extraction, using the source adapter's client sets + options (YouTube
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needs the POT/player-client strategy even just to extract)."""
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with formats.hiding(url):
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return _extract_meta_scoped(url, adapter, asset_id)
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def _extract_meta_scoped(url: str, adapter: adapters.SourceAdapter, asset_id: int) -> dict | None:
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for clients in adapter.client_sets():
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opts = formats.build_ydl_opts(
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{}, "%(id)s.%(ext)s", lambda d: None, extra=adapter.ydl_opts_extra(clients)
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)
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opts["skip_download"] = True
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try:
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with yt_dlp.YoutubeDL(opts) as ydl:
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info = ydl.extract_info(url, download=False)
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if info:
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return info
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except Exception as exc: # noqa: BLE001 — best-effort backfill, keep going
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# The asset id, not the URL. A source URL is a row of this user's download
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# history, and `redact_text` only takes credential params out of it — the rest
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# of it goes in whole. The id names the same asset to anyone holding the
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# database and nothing at all to anyone who is not; the host is kept because it
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# is what decides which client set was tried. yt-dlp's message goes through
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# `log_safe` for the same reason: it opens with the URL or the video id.
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log.info(
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"meta extract failed for asset %s on %s (%s): %s",
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asset_id,
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urlsplit(url).hostname or "?", # log-pii-ok: the host, never the path or query
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clients,
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formats.log_safe(exc)[:100],
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)
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return None
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def run() -> dict:
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filled_url = filled_poster = 0
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with SessionLocal() as db:
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assets = (
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db.execute(
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select(MediaAsset).where(
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MediaAsset.status == "ready", MediaAsset.rel_path.is_not(None)
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)
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)
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.scalars()
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.all()
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)
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for a in assets:
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adapter = adapters.resolve_adapter(a.source_kind, a.source_ref)
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if a.uploader_url is None and adapter.wants_metadata_backfill():
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url = a.source_webpage_url or service.source_url(a.source_kind, a.source_ref)
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info = _extract_meta(url, adapter, a.id)
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uu = adapter.uploader_url(info) if info else None
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if uu:
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a.uploader_url = uu
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filled_url += 1
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log.info(
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"asset %s uploader_url filled", a.id
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) # the URL names what they downloaded
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if a.poster_path is None:
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# Record a self-hosted poster for every download (the reliable og:image source):
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# ensure_poster returns the existing <base>.jpg thumbnail sidecar, or cuts a frame.
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rel = editmod.ensure_poster(a, settings.files_root)
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if rel:
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a.poster_path = rel
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filled_poster += 1
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log.info("asset %s poster filled", a.id) # the path carries the title
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db.commit()
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result = {
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"assets": len(assets),
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"filled_uploader_url": filled_url,
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"filled_poster": filled_poster,
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}
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log.info("backfill done: %s", result)
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return result
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