276fb4c24d
`_pairs_exact_phash` laczylo scene_fingerprints po wartosci BEZ zadnego ograniczenia. Do tej pory uchodzilo, bo zdegenerowanych wartosci bylo malo i blacklista je kasowala. Zmienia to backfill: dokladamy ~240 tys. odciskow z xvideos/xnxx/epornera, a te serwuja zaslepki przy usunietych filmach. Dwa problemy naraz: 1. Blacklista odswieza sie RAZ NA DOBE, wiec swiezo powstala zaslepka ma pelna dobe okna na wpuszczenie do potoku tysiecy niepowiazanych scen. 2. Samozlaczenie jest KWADRATOWE po liczbie scen dzielacych wartosc: zaslepka przy 5 tys. scen to 12,5 mln par i job pada na pamieci, zanim cokolwiek zdazy ja zablacklistowac. Teraz zapytanie samo odsiewa wartosci dzielone przez >=10 scen (ten sam prog co phash_blacklist) ORAZ te juz zablacklistowane, wiec dziala natychmiast, nie po dobie. NIE jest to atrapa: 4% w backfill jedna taka wartosc juz istnieje (12 scen) i blacklista jej jeszcze nie widziala. Po zmianie samozlaczenie daje 23 555 par w 8,3 s.
532 lines
21 KiB
Python
532 lines
21 KiB
Python
"""Bulk dedup pass dla istniejących scen kanonicznych.
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Sceny ingestowane przed dodaniem `duration_proximity` + `duration_perf_strong_match_bump`
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(2026-05-03) nigdy nie zobaczyły nowego scoringu, zostały obok siebie jako odrębne
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canonical entries. Ten moduł re-scoruje pary scen ze SHARED phashem / performerem
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i tworzy auto_merge / pending kandydaty zgodnie z aktualnym scoringiem.
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Strategie:
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phash pary scen mające ten sam phash (Hamming ≤5). Mocny sygnał.
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performers , dla każdego performera, pair-wise scenes; trafia bumpa duration±6s + perf≥0.5.
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`dry_run=True` tylko loguje co by zrobił, nic nie zapisuje.
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"""
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from __future__ import annotations
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import itertools
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import logging
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import uuid
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from collections.abc import Iterable
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from dataclasses import dataclass, field
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from sqlalchemy import func, select
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from sqlalchemy.orm import Session
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from app.config import get_settings
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from app.db import session_scope
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from app.scheduler.phash_blacklist import DEFAULT_MIN_SCENES
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from app.models.merge_candidate import MergeCandidate, MergeKind, MergeStatus
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from app.models.scene import Scene, SceneFingerprint, ScenePerformer
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from app.resolve.scene_merge import merge_scenes
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from app.resolve.scoring import (
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ScoreBreakdown,
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composite_score,
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date_proximity,
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duration_proximity,
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hamming_distance_hex,
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performer_set_similarity,
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phash_similarity,
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series_mismatch_strength,
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title_similarity,
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triage,
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)
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log = logging.getLogger(__name__)
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@dataclass
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class BulkCounters:
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pairs_scored: int = 0
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auto_merged: int = 0
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pending_added: int = 0
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rejected_low: int = 0
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skipped_already_pending: int = 0
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skipped_self: int = 0
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skipped_not_cross_source: int = 0
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# ---- pair scoring -----------------------------------------------------
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def _scene_phashes(session: Session, scene_id: uuid.UUID) -> list[str]:
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return list(
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session.execute(
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select(SceneFingerprint.value).where(
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SceneFingerprint.scene_id == scene_id,
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SceneFingerprint.kind == "phash",
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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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def _scene_performers(session: Session, scene_id: uuid.UUID) -> list[uuid.UUID]:
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return list(
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session.execute(
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select(ScenePerformer.performer_id).where(ScenePerformer.scene_id == scene_id)
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)
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.scalars()
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.all()
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)
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def _best_phash(left_phashes: list[str], right_phashes: list[str]) -> float | None:
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"""Najlepsza similarity między dwoma listami phashy (równa długość)."""
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if not left_phashes or not right_phashes:
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return None
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best = 0.0
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for a in left_phashes:
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for b in right_phashes:
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if len(a) != len(b):
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continue
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try:
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sim = phash_similarity(a, b)
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except ValueError:
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continue
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if sim > best:
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best = sim
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return best if best > 0 else None
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def score_scene_pair(session: Session, a: Scene, b: Scene) -> ScoreBreakdown:
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"""Odpowiednik `score_candidate` ale bez wrappowania w NormalizedScene."""
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a_phashes = _scene_phashes(session, a.id)
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b_phashes = _scene_phashes(session, b.id)
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fp = _best_phash(a_phashes, b_phashes)
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title = title_similarity(a.title_normalized, b.title_normalized)
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a_perfs = _scene_performers(session, a.id)
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b_perfs = _scene_performers(session, b.id)
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perf = (
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performer_set_similarity(a_perfs, b_perfs)
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if (a_perfs or b_perfs)
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else None
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)
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date_score = date_proximity(a.release_date, b.release_date) if (a.release_date and b.release_date) else None
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duration_score = duration_proximity(a.duration_sec, b.duration_sec)
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studio_match: bool | None
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if a.studio_id is None or b.studio_id is None:
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studio_match = None
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else:
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studio_match = a.studio_id == b.studio_id
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series_mismatch = series_mismatch_strength(a.title_normalized, b.title_normalized)
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# Bulk dedup nie jest aggregator, porównujemy dwie kanoniczne sceny, studio
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# to prawdziwe studio. Aggregator mode tylko w resolverze przy ingest z tube'a.
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composite, reasons = composite_score(
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fp=fp,
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title=title,
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performers=perf,
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date_score=date_score,
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duration_score=duration_score,
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studio_match=studio_match,
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aggregator_mode=False,
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series_mismatch=series_mismatch,
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)
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return ScoreBreakdown(
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fp=fp,
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title=title,
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performers=perf,
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date=date_score,
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duration=duration_score,
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studio_match=studio_match,
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composite=composite,
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reasons=reasons,
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)
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# ---- candidate selection ---------------------------------------------
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def _pairs_sharing_phash(session: Session, max_hamming: int) -> Iterable[tuple[uuid.UUID, uuid.UUID]]:
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"""Yield pary scene_id mające phashe w odległości Hamminga ≤ max_hamming.
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Nie próbujemy pgvector / BK-tree, dla 215 phashy O(N²) = 46k iteracji jest OK.
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"""
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rows = session.execute(
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select(SceneFingerprint.scene_id, SceneFingerprint.value).where(
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SceneFingerprint.kind == "phash"
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)
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).all()
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seen_pairs: set[tuple[uuid.UUID, uuid.UUID]] = set()
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for (sid_a, hash_a), (sid_b, hash_b) in itertools.combinations(rows, 2):
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if sid_a == sid_b:
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continue
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if len(hash_a) != len(hash_b):
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continue
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try:
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d = hamming_distance_hex(hash_a, hash_b)
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except ValueError:
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continue
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if d > max_hamming:
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continue
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pair = (sid_a, sid_b) if sid_a < sid_b else (sid_b, sid_a)
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if pair in seen_pairs:
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continue
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seen_pairs.add(pair)
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yield pair
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def _pairs_exact_phash(session: Session) -> Iterable[tuple[uuid.UUID, uuid.UUID]]:
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"""Yield pary scen mających IDENTYCZNY phash (exact value match), przez SQL self-join,
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O(N log N) zamiast O(N²) z `_pairs_sharing_phash`. Identyczny phash = identyczna
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miniaturka = niemal pewnie ten sam scene (potem `_process_pair` scoruje i auto-merguje
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tylko ≥auto_t, więc przypadkowe kolizje z innym performerem/duration wpadną w review).
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Skalowalne dla setek tys. phashy gdzie Hamming-fuzzy O(N²) jest nierealne."""
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from sqlalchemy import text
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# Wartości ZDEGENEROWANE (zaślepka, czarna klatka, intro studia) odsiewamy TUTAJ,
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# nie tylko przez `phash_blacklist`. Dwa powody:
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#
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# 1. Blacklista jest odświeżana raz na dobę, więc świeżo wpisana zaślepka ma
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# całą dobę okna. Do tej pory to nie bolało, ale backfill z sierpnia 2026
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# dokłada ~240 tys. odcisków z xvideos/xnxx/epornera, a te serwują zaślepki
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# przy usuniętych filmach. Wystarczy jedna taka wartość, żeby wpuścić do
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# potoku tysiące scen, których nic nie łączy poza obrazkiem.
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# 2. To samozłączenie jest KWADRATOWE po liczbie scen dzielących wartość:
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# zaślepka przy 5 tys. scen to 12,5 mln par, czyli job pada na pamięci,
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# zanim cokolwiek zdąży ją zablacklistować.
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#
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# Próg jest ten sam, co w `phash_blacklist` (≥10 scen = nie identyfikuje sceny),
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# więc obie ścieżki mówią to samo, tylko ta działa natychmiast.
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rows = session.execute(text("""
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WITH degenerate AS (
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SELECT value
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FROM scene_fingerprints
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WHERE kind = 'phash'
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GROUP BY value
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HAVING count(DISTINCT scene_id) >= :min_scenes
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)
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SELECT DISTINCT a.scene_id AS sa, b.scene_id AS sb
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FROM scene_fingerprints a
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JOIN scene_fingerprints b
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ON a.value = b.value AND a.scene_id < b.scene_id
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WHERE a.kind = 'phash' AND b.kind = 'phash'
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AND NOT EXISTS (SELECT 1 FROM degenerate d WHERE d.value = a.value)
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AND NOT EXISTS (SELECT 1 FROM phash_blacklist b2 WHERE b2.value = a.value)
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"""), {"min_scenes": DEFAULT_MIN_SCENES})
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for sa, sb in rows:
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yield (sa, sb)
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def _pairs_sharing_performer(
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session: Session,
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*,
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cross_source_only: bool = False,
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) -> Iterable[tuple[uuid.UUID, uuid.UUID]]:
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"""Yield pary scen z wspólnym performerem. Dedup pair (a<b).
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`cross_source_only=True`, tylko pary (tpdb-only ↔ stashdb-only). To eliminuje
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~99% par w bazie z dużą liczbą scen mainstream performerów (popularny performer
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ma N scen → N²/2 par; 1959 performerów × średnio 50 scen² = 4M+ par bez filtru,
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z filtrem zostają tylko cross-source kandydaci ~10-100x mniej). Bez tego flag
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bulk_dedup OOM-uje na 41k+ scenes.
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"""
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# Per performer, weź wszystkie scene_id i wygeneruj pary.
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perf_to_scenes: dict[uuid.UUID, list[uuid.UUID]] = {}
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for performer_id, scene_id in session.execute(
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select(ScenePerformer.performer_id, ScenePerformer.scene_id)
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):
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perf_to_scenes.setdefault(performer_id, []).append(scene_id)
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if cross_source_only:
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# Pre-build scene → canonical kinds map
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from app.models.scene import SceneExternalRef
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from app.models.source import Source, SourceKind
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scene_kinds: dict[uuid.UUID, set[str]] = {}
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for sid, kind in session.execute(
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select(SceneExternalRef.scene_id, Source.kind)
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.join(Source, Source.id == SceneExternalRef.source_id)
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.where(Source.kind.in_([SourceKind.tpdb, SourceKind.stashdb]))
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):
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scene_kinds.setdefault(sid, set()).add(kind.value)
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# Pre-build scene → (studio_id, release_date, duration_sec), żeby pre-filtrować
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# pary do tych z realną szansą bycia duplikatami zanim odpalimy scoring (drogie).
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# Bez tego 9M par × ~110/s = 22h na 0% hit rate.
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scene_meta: dict[uuid.UUID, tuple] = {}
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for sid, studio_id, rel_date, dur in session.execute(
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select(Scene.id, Scene.studio_id, Scene.release_date, Scene.duration_sec)
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):
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scene_meta[sid] = (studio_id, rel_date, dur)
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def _candidate(a_id: uuid.UUID, b_id: uuid.UUID) -> bool:
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# Prefiltr cross-source par PRZED scoringiem (drogi). Wymagamy KONIUNKCJI
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# sygnałów: identyczne studio ORAZ zbieżna data/długość. Wcześniej alternatywa
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# (studio LUB data±7d LUB dur±30s) przepuszczała 939k par, płodny performer w
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# jednym studio generuje tpdb×stashdb kartezjan, a sam wspólny studio go nie tnie.
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# Etap 2 (~110 par/s) nie kończył w 1800s → job HUNG co run (GOON-V), wątek leak.
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# studio match AND (data±2d OR dur±30s) ⇒ 939k→~16k par, ~240s całość. Prawdziwy
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# cross-source dup tej samej sceny ma to samo studio + ~tę samą datę/długość (jeden
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# master). Pary o rozjechanym studio_id (rzadkie po studio-dedup) świadomie pomijamy
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# częściowe pokrycie które KOŃCZY > pełne które timeoutuje i nie merge'uje nic.
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a = scene_meta.get(a_id)
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b = scene_meta.get(b_id)
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if not a or not b:
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return False
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a_studio, a_date, a_dur = a
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b_studio, b_date, b_dur = b
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# Kotwica: oba znają studio i to samo.
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if a_studio is None or a_studio != b_studio:
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return False
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# Plus zgodność czasowa LUB długości (znana-i-bliska, nie tylko brak).
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date_ok = bool(a_date and b_date and abs((a_date - b_date).days) <= 2)
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dur_ok = bool(a_dur and b_dur and abs(a_dur - b_dur) <= 30)
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return date_ok or dur_ok
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seen_pairs: set[tuple[uuid.UUID, uuid.UUID]] = set()
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for scene_ids in perf_to_scenes.values():
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tpdb_only = [sid for sid in scene_ids if scene_kinds.get(sid) == {"tpdb"}]
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stash_only = [sid for sid in scene_ids if scene_kinds.get(sid) == {"stashdb"}]
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for a in tpdb_only:
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for b in stash_only:
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pair = (a, b) if a < b else (b, a)
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if pair in seen_pairs:
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continue
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if not _candidate(a, b):
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continue
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seen_pairs.add(pair)
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yield pair
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return
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seen_pairs = set()
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for scene_ids in perf_to_scenes.values():
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if len(scene_ids) < 2:
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continue
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for a, b in itertools.combinations(scene_ids, 2):
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pair = (a, b) if a < b else (b, a)
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if pair in seen_pairs:
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continue
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seen_pairs.add(pair)
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yield pair
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# ---- main entry --------------------------------------------------------
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def run_bulk_dedup(
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*,
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strategy: str = "all", # 'phash' | 'performers' | 'all'
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dry_run: bool = False,
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max_hamming: int | None = None,
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auto_merge_threshold: float | None = None,
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review_threshold: float | None = None,
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cross_source_only: bool = False,
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) -> BulkCounters:
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settings = get_settings()
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auto_t = auto_merge_threshold or settings.auto_merge_threshold
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review_t = review_threshold or settings.review_threshold
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max_h = max_hamming or settings.fingerprint_hamming_max
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counters = BulkCounters()
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# Etap 1: zbierz wszystkie kandydujące pary (BEZ commita do DB).
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log.info("bulk_dedup start strategy=%s dry_run=%s", strategy, dry_run)
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with session_scope() as session:
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pairs: list[tuple[uuid.UUID, uuid.UUID]] = []
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if strategy in ("phash", "all"):
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phash_pairs = list(_pairs_sharing_phash(session, max_hamming=max_h))
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log.info("bulk_dedup: %d phash-shared pairs", len(phash_pairs))
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pairs.extend(phash_pairs)
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if strategy == "phash_exact":
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# EXACT phash collisions via SQL (O(N log N), nie O(N²) jak _pairs_sharing_phash).
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# Identyczny phash = identyczna miniaturka = ten sam scene → missing-merge
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# (bug-report 2026-06-03 "ten sam czas, ta sama miniaturka, czemu się nie
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# mergują"). Skalowalne dla 441k+ phashy gdzie Hamming-O(N²) jest nierealne.
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exact_pairs = list(_pairs_exact_phash(session))
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log.info("bulk_dedup: %d exact-phash pairs", len(exact_pairs))
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pairs.extend(exact_pairs)
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if strategy in ("performers", "all"):
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perf_pairs = list(
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_pairs_sharing_performer(session, cross_source_only=cross_source_only)
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)
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log.info(
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"bulk_dedup: %d performer-shared pairs (cross_source_only=%s)",
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len(perf_pairs), cross_source_only,
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)
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pairs.extend(perf_pairs)
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# Dedup
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unique_pairs = list({(a, b) if a < b else (b, a) for a, b in pairs})
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log.info("bulk_dedup: %d unique pairs total", len(unique_pairs))
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# Etap 2: per pair, score + decision. Każda decyzja w osobnej transakcji,
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# żeby gdyby coś padło, częściowy postęp był persistowany.
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for sid_a, sid_b in unique_pairs:
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try:
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_process_pair(
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sid_a, sid_b,
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auto_t=auto_t, review_t=review_t,
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dry_run=dry_run, counters=counters,
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cross_source_only=cross_source_only,
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)
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except Exception as e:
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log.exception("bulk_dedup pair %s↔%s failed: %s", sid_a, sid_b, e)
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log.info("bulk_dedup done: %s", counters)
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return counters
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def _scene_source_kinds(session: Session, scene_id: uuid.UUID) -> set[str]:
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"""Zwraca set('tpdb', 'stashdb', 'scraper'...), kinds external_refów sceny."""
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from app.models.scene import SceneExternalRef
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from app.models.source import Source
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rows = session.execute(
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select(Source.kind)
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.join(SceneExternalRef, SceneExternalRef.source_id == Source.id)
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.where(SceneExternalRef.scene_id == scene_id)
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.distinct()
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).all()
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return {kind.value for (kind,) in rows}
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def _is_cross_source_pair(session: Session, sid_a: uuid.UUID, sid_b: uuid.UUID) -> bool:
|
||
"""True gdy para to (tpdb-only ↔ stashdb-only), czyli kandydaci do mergu który
|
||
odsłoniłby cross-source overlap. Pomija pary gdzie któryś już ma BOTH refs
|
||
(już zmergowane wcześniej) lub te same single-source (rzadko duplikaty)."""
|
||
a_kinds = _scene_source_kinds(session, sid_a)
|
||
b_kinds = _scene_source_kinds(session, sid_b)
|
||
canonical_a = a_kinds & {"tpdb", "stashdb"}
|
||
canonical_b = b_kinds & {"tpdb", "stashdb"}
|
||
# Obie strony muszą mieć dokładnie 1 canonical źródło, i muszą się różnić.
|
||
if len(canonical_a) != 1 or len(canonical_b) != 1:
|
||
return False
|
||
return canonical_a != canonical_b
|
||
|
||
|
||
def _process_pair(
|
||
sid_a: uuid.UUID,
|
||
sid_b: uuid.UUID,
|
||
*,
|
||
auto_t: float,
|
||
review_t: float,
|
||
dry_run: bool,
|
||
counters: BulkCounters,
|
||
cross_source_only: bool = False,
|
||
) -> None:
|
||
with session_scope() as session:
|
||
a = session.get(Scene, sid_a)
|
||
b = session.get(Scene, sid_b)
|
||
if a is None or b is None:
|
||
counters.skipped_self += 1
|
||
return
|
||
if a.id == b.id:
|
||
counters.skipped_self += 1
|
||
return
|
||
|
||
if cross_source_only and not _is_cross_source_pair(session, sid_a, sid_b):
|
||
counters.skipped_not_cross_source += 1
|
||
return
|
||
|
||
# Skip jeśli już istnieje pending/auto_merged/rejected dla tej pary.
|
||
existing = session.execute(
|
||
select(MergeCandidate).where(
|
||
MergeCandidate.kind == MergeKind.scene,
|
||
(
|
||
((MergeCandidate.left_id == a.id) & (MergeCandidate.right_id == b.id))
|
||
| ((MergeCandidate.left_id == b.id) & (MergeCandidate.right_id == a.id))
|
||
),
|
||
MergeCandidate.status.in_(
|
||
[MergeStatus.pending, MergeStatus.merged, MergeStatus.rejected]
|
||
),
|
||
).limit(1)
|
||
).scalar_one_or_none()
|
||
if existing is not None:
|
||
counters.skipped_already_pending += 1
|
||
return
|
||
|
||
breakdown = score_scene_pair(session, a, b)
|
||
counters.pairs_scored += 1
|
||
if counters.pairs_scored % 500 == 0:
|
||
log.info(
|
||
"bulk_dedup progress: %d pairs scored (auto=%d pending=%d rej=%d)",
|
||
counters.pairs_scored,
|
||
counters.auto_merged,
|
||
counters.pending_added,
|
||
counters.rejected_low,
|
||
)
|
||
|
||
decision = "auto" if breakdown.composite >= auto_t else (
|
||
"review" if breakdown.composite >= review_t else "reject"
|
||
)
|
||
|
||
if decision == "auto":
|
||
counters.auto_merged += 1
|
||
if dry_run:
|
||
log.info(
|
||
"[dry] AUTO %s '%s' (dur=%s) ↔ '%s' (dur=%s) score=%.3f",
|
||
a.id, a.title[:40], a.duration_sec, b.title[:40], b.duration_sec,
|
||
breakdown.composite,
|
||
)
|
||
return
|
||
# Pick keep = scene z większą liczbą external_refs, tie-break: starszy (lower created_at).
|
||
keep, drop = _pick_keep_drop(session, a, b)
|
||
log.info(
|
||
"AUTO merge keep=%s drop=%s score=%.3f",
|
||
keep.id, drop.id, breakdown.composite,
|
||
)
|
||
session.add(
|
||
MergeCandidate(
|
||
kind=MergeKind.scene,
|
||
left_id=keep.id,
|
||
right_id=keep.id, # audit: post-merge scene_id
|
||
score=breakdown.composite,
|
||
reasons={"path": "bulk_dedup", **breakdown.to_dict()},
|
||
status=MergeStatus.auto_merged,
|
||
)
|
||
)
|
||
merge_scenes(
|
||
session, keep_id=keep.id, drop_id=drop.id, resolved_by="bulk_dedup"
|
||
)
|
||
elif decision == "review":
|
||
counters.pending_added += 1
|
||
if dry_run:
|
||
log.info(
|
||
"[dry] PENDING '%s' ↔ '%s' score=%.3f",
|
||
a.title[:40], b.title[:40], breakdown.composite,
|
||
)
|
||
return
|
||
session.add(
|
||
MergeCandidate(
|
||
kind=MergeKind.scene,
|
||
left_id=a.id,
|
||
right_id=b.id,
|
||
score=breakdown.composite,
|
||
reasons={"path": "bulk_dedup", **breakdown.to_dict()},
|
||
status=MergeStatus.pending,
|
||
)
|
||
)
|
||
else:
|
||
counters.rejected_low += 1
|
||
|
||
|
||
def _pick_keep_drop(session: Session, a: Scene, b: Scene) -> tuple[Scene, Scene]:
|
||
"""Keep = scena z większą liczbą external_refs. Tie → starsza."""
|
||
from app.models.scene import SceneExternalRef
|
||
|
||
a_count = session.execute(
|
||
select(func.count()).select_from(SceneExternalRef).where(SceneExternalRef.scene_id == a.id)
|
||
).scalar_one()
|
||
b_count = session.execute(
|
||
select(func.count()).select_from(SceneExternalRef).where(SceneExternalRef.scene_id == b.id)
|
||
).scalar_one()
|
||
if a_count > b_count:
|
||
return a, b
|
||
if b_count > a_count:
|
||
return b, a
|
||
# tie → starsza scena (lower created_at)
|
||
return (a, b) if a.created_at <= b.created_at else (b, a)
|