s8n
43f55643be
Adds lib/sub-a7d-fetch.py: free, no-daily-cap path via subliminal's addic7ed provider (anonymous). Uses OpenSubtitles REST search-only (no quota cost) to translate library S/E to the show's primary catalogue numbering, then drives subliminal to download from Addic7ed and writes sidecars direct to nullstone via SSH. Picker quirks: subliminal series-name matcher is broken by '!' in the title, so the script strips it before building the synthetic Video.fromname() string. OS feature_details S/E happens to align with Addic7ed's indexing for the test show (American Dad). Recipe README now reflects three paths in cheapest-first order: v3 Addic7ed, v2 OS REST (20/day), v1 plugin. American Dad run log updated to 49/58 (S01 7/7 v1, S02 16/16 mixed v2/v3, S03 16/19 v3, S04 10/16 v3). 9 misses identified, deferred to next OS REST quota window.
103 lines
4.5 KiB
Markdown
103 lines
4.5 KiB
Markdown
# Subtitle process — changelog
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## v1 — 2026-05-09
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Initial recipe. Drafted while running on American Dad. Distilled from doc
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03-subtitles.md (Futurama work) and the actual AD run.
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Approach: Jellyfin RemoteSearch/Subtitles/eng → pick best non-HI/non-MT match
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via Python filter → POST download → docker cp metadata cache → media folder →
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delete cache dupes → validation refresh.
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Scope: works on shows whose library season/episode numbering matches
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OpenSubtitles' indexed numbering. Verified passing on AD S01 (7/7 episodes).
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### Known break — added 2026-05-09 same day
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After S01 passed, S02 returned 0 results for every episode probed (E01, E02,
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E08, E13). Quota was fine (13 downloads remaining). Cause:
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> Jellyfin metadata for American Dad uses **Hulu/DSP season ordering**
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> (S1=7, S2=16, S3=19, S4=16). OpenSubtitles indexes by **Fox original-airing
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> order** where S1 has 23 episodes. The plugin queries OS by
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> `(parent_imdb_id, season_number, episode_number)`. For library S02E01
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> "Bullocks to Stan" the plugin sends `S=2,E=1` but OS catalogues that
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> episode as `S=1,E=8`. Result: 0 hits.
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Each library episode has its own correct per-episode IMDB id (e.g.
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`tt0511631` for "Bullocks to Stan") which would resolve directly via OS REST
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`imdb_id=` parameter, but the plugin doesn't expose that path.
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## v2 — 2026-05-09
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Approach **A** chosen: direct OpenSubtitles REST API, per-episode `imdb_id`
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lookup, bypass the Jellyfin plugin entirely. New helper at
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`lib/sub-rest-fetch.py`.
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- API key file: `~/.config/arrflix-opensubtitles-api.txt` (mode 600)
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- Account: `Caveman5` (free tier, 20 downloads/day)
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- Saves sidecars directly to nullstone media folder via `ssh ... cat >`
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- No more docker-cp from `/config/metadata/library` cache (plugin path)
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Recipe upgrade:
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- Step 4 swaps `lib/sub-fetch.sh` → `lib/sub-rest-fetch.py` for shows with
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non-standard season ordering.
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- Picker logic identical: filter HI/MT/AI/Forced (renamed
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`foreign_parts_only` in OS REST), prefer 23.976fps, sort by
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`download_count` desc.
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### v2 known quirks
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- **OpenSubtitles `/download` endpoint rejects urllib** — consistent HTTP 503
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via Python `urllib.request`, HTTP 200 via `curl` with same headers/body.
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`_curl()` shim added; all OS API calls go through it. **Each 503 still
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consumes 1 download-quota slot**, so this had to be fixed before retrying
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large batches.
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- `download_count` of `0` and `fps` of `0.0` appear on some catalogue
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entries; treat as informational, not exclusionary.
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- Some hits have `file_name` mismatching the `imdb_id` searched (OS metadata
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drift). Recipe Step 6 visual-sync check is the catch.
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### v2 known limits
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- Free-tier 20/day still in force (REST and plugin share the counter).
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- Recipe Step 6 (sync verification) is still manual — no automated check
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that the picked .srt actually aligns with audio.
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## v3 — 2026-05-09
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Approach **Addic7ed via subliminal** added as a quota-free fallback. New
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helper at `lib/sub-a7d-fetch.py`. Runs alongside v2; pick whichever fits.
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- `subliminal` Python lib drives `addic7ed` provider, anonymous
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- OS REST is still consulted (search-only, no quota cost) to translate
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library Hulu numbering to the show's primary catalogue numbering, since
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Addic7ed and OS feature_details appear to align for at least the test
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show (American Dad)
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- Sidecar written direct to nullstone via `ssh ... cat >`
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### v3 picker / matching
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- subliminal returns ordered candidates by match score; takes first
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- "!" in series name breaks subliminal's matcher; recipe strips it before
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building the synthetic filename for `Video.fromname()`
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- Synthetic filename pattern: `Series.Name.Year.SXXEYY.HDTV.x264.mkv`
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### v3 known quirks
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- Some episodes return 0 hits at addic7ed for the OS-feat-details S/E we
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pass — likely cases where addic7ed indexes by Fox airing order while OS
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uses DVD-compressed (or vice versa). On American Dad, ~9 of 58 episodes
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missed via this path. Fall back to v2 OS REST when quota allows.
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- One episode (`Black Mystery Month`) had a hit but downloaded empty
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content — addic7ed-side cataloguing error or temp 0-byte upload.
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- Per-show coverage varies: Addic7ed has near-complete English on broadcast
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US shows but spotty for animated specials and obscure titles.
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### v3 known limits
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- English coverage best; non-English near-empty
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- Anonymous downloads work but heavy bursts may trigger Addic7ed's
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bot detection and short IP throttle (~1 hour). The script makes no
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effort at jittering / backoff
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- No automated sync-quality check; recipe Step 6 still manual
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