672 lines
24 KiB
Python
672 lines
24 KiB
Python
"""Orchestrate identify -> convert -> separate -> transcribe -> lyrics-match.
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Pipeline order per track (short-circuits as soon as text is found):
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1. metadata tags -> LRCLIB search (if `use_tags_first`)
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2. Shazam fingerprint (if enabled)
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3. Shazam result -> LRCLIB search (if `use_shazam_result`)
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4. full pipeline: convert -> separate -> transcribe
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5. post-ASR: LRCLIB search by recognized text (fuzzy match)
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Two modes:
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- sequential: run all of the above per file
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- staged: identification pass first, then convert/separate/transcribe
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passes only for unresolved files, then post-ASR lyrics pass.
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"""
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from __future__ import annotations
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import difflib
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import json
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import shutil
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import tempfile
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import threading
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from dataclasses import dataclass, field
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from pathlib import Path
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from typing import Callable, Optional
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from .config import PipelineConfig
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from .convert import convert_to_wav
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from .lyrics import LyricsMatch, search_by_identity, search_by_text
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from .metadata import TrackMetadata, read_metadata
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from .recognize import ShazamResult, recognize
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from .separate import separate_vocals
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from .transcribe import transcribe
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AUDIO_EXTENSIONS = {
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".mp3", ".wav", ".flac", ".ogg", ".m4a", ".aac", ".opus", ".wma",
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}
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LogFn = Callable[[str], None]
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ProgressFn = Callable[[int, int, str], None]
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@dataclass
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class FileResult:
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input_path: Path
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text: Optional[str]
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output_dir: Optional[Path]
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error: Optional[str] = None
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source: Optional[str] = None
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metadata: Optional[dict] = field(default=None)
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class Cancelled(Exception):
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"""Raised when the stop event is set."""
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# ---------------------------------------------------------------- helpers
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def collect_audio_files(input_dir: Path, recursive: bool) -> list[Path]:
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it = input_dir.rglob("*") if recursive else input_dir.iterdir()
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return sorted(p for p in it if p.is_file() and p.suffix.lower() in AUDIO_EXTENSIONS)
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def _check_cancel(stop_event: Optional[threading.Event]) -> None:
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if stop_event is not None and stop_event.is_set():
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raise Cancelled()
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def _text_head(text: str, n_words: int = 8) -> str:
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return " ".join(text.split()[:n_words])
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def _build_metadata_dict(
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metadata: TrackMetadata,
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shazam: Optional[ShazamResult],
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source: Optional[str],
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) -> Optional[dict]:
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d: dict = {}
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if metadata.has_identity:
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d["tags"] = {
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"title": metadata.title,
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"artist": metadata.artist,
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"album": metadata.album,
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"duration": metadata.duration,
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}
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if shazam:
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d["shazam"] = {
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"title": shazam.title,
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"artist": shazam.artist,
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"album": shazam.album,
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"year": shazam.year,
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}
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if source:
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d["source"] = source
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return d if d else None
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def _write_metadata_json(path: Path, data: Optional[dict]) -> None:
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if not data:
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return
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path.parent.mkdir(parents=True, exist_ok=True)
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path.write_text(
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json.dumps(data, indent=2, ensure_ascii=False),
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encoding="utf-8",
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)
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@dataclass
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class IdentifyResult:
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metadata: TrackMetadata
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shazam: Optional[ShazamResult] = None
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text: Optional[str] = None
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source: Optional[str] = None
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needs_asr: bool = True
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def _identify_file(
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input_path: Path,
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work_dir: Path,
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config: PipelineConfig,
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log: LogFn,
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) -> IdentifyResult:
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"""Run cheap identification steps. May populate .text and .source,
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and set .needs_asr=False if the track is fully resolved."""
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result = IdentifyResult(metadata=read_metadata(input_path))
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# --- tags -> LRCLIB ---
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if (
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config.lyrics.enabled
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and config.lyrics.use_tags_first
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and result.metadata.has_identity
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):
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log(" LRCLIB по тегам...")
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match = search_by_identity(
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title=result.metadata.title,
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artist=result.metadata.artist,
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album=result.metadata.album,
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duration=result.metadata.duration,
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user_agent=config.lyrics.user_agent,
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timeout=config.lyrics.timeout,
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)
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if match:
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result.text = match.lyrics
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result.source = "tag+lrclib"
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result.needs_asr = False
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log(f" ✓ {match.artist} — {match.title}")
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return result
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# --- Shazam ---
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if config.shazam.enabled:
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log(" Shazam...")
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shazam_wav = work_dir / "shazam_16k.wav"
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try:
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convert_to_wav(
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input_path, shazam_wav,
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sample_rate=16000, channels=1,
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ffmpeg_path=config.convert.ffmpeg_path,
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)
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result.shazam = recognize(shazam_wav)
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except Exception as e: # noqa: BLE001
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log(f" ⚠ Shazam error: {e}")
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result.shazam = None
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if result.shazam:
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log(f" ✓ {result.shazam.artist} — {result.shazam.title}")
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if config.lyrics.enabled and config.lyrics.use_shazam_result:
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match = search_by_identity(
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title=result.shazam.title,
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artist=result.shazam.artist,
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album=result.shazam.album,
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duration=result.metadata.duration,
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user_agent=config.lyrics.user_agent,
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timeout=config.lyrics.timeout,
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)
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if match:
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result.text = match.lyrics
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result.source = "shazam+lrclib"
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result.needs_asr = False
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log(" ✓ текст найден через LRCLIB")
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return result
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# Identified, but no lyrics
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result.source = "shazam"
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if not config.lyrics.transcribe_if_identified_no_lyrics:
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result.needs_asr = False
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log(" ⚠ текста нет")
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else:
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log(" ⚠ не распознан")
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return result
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def _try_post_asr_match(
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text: str,
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config: PipelineConfig,
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log: LogFn,
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) -> Optional[str]:
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"""Try to find the actual lyrics via LRCLIB using recognized text. Returns
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the lyrics text on a confident match, else None."""
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if not text or len(text.split()) < 3:
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return None
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head = _text_head(text, 8)
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log(f" LRCLIB по тексту: {head!r}...")
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try:
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candidates = search_by_text(
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head, limit=5,
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user_agent=config.lyrics.user_agent,
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timeout=config.lyrics.timeout,
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)
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except Exception as e: # noqa: BLE001
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log(f" ⚠ LRCLIB error: {e}")
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return None
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if not candidates:
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log(" ⚠ нет кандидатов")
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return None
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best: Optional[LyricsMatch] = None
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best_ratio = 0.0
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for c in candidates:
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ratio = difflib.SequenceMatcher(None, text.lower(), c.lyrics.lower()).ratio()
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if ratio > best_ratio:
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best_ratio = ratio
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best = c
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if best is not None and best_ratio >= config.lyrics.fuzzy_threshold:
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log(f" ✓ совпадение {best_ratio:.2f}: {best.artist} — {best.title}")
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return best.lyrics
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log(f" ⚠ лучшее совпадение {best_ratio:.2f} < {config.lyrics.fuzzy_threshold}")
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return None
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def _persist_artifacts(
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work_dir: Path,
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persist_dir: Path,
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config: PipelineConfig,
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has_text: bool,
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has_metadata: bool,
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log: LogFn,
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) -> None:
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"""Move wanted artifacts from work_dir to persist_dir."""
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persist_dir.mkdir(parents=True, exist_ok=True)
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names: list[str] = []
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if has_metadata and (work_dir / "metadata.json").exists():
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names.append("metadata.json")
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if has_text and (work_dir / "text.txt").exists():
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names.append("text.txt")
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if config.keep_intermediate:
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for n in ("convert.wav", "vocals.wav"):
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if (work_dir / n).exists():
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names.append(n)
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elif not has_text:
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if config.separate.enabled and (work_dir / "vocals.wav").exists():
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names.append("vocals.wav")
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elif config.convert.enabled and (work_dir / "convert.wav").exists():
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names.append("convert.wav")
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for name in names:
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src = work_dir / name
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dst = persist_dir / name
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if dst.exists():
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dst.unlink()
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shutil.move(str(src), str(dst))
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log(f" [persist] {name}")
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# ---------------------------------------------------------------- entry
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def run_pipeline(
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config: PipelineConfig,
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log: LogFn = print,
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on_progress: Optional[ProgressFn] = None,
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stop_event: Optional[threading.Event] = None,
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) -> list[FileResult]:
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input_dir = Path(config.input_dir)
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if not input_dir.is_dir():
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raise FileNotFoundError(f"Input directory not found: {input_dir}")
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output_dir = Path(config.output_dir)
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output_dir.mkdir(parents=True, exist_ok=True)
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files = collect_audio_files(input_dir, config.recursive)
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if not files:
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log("Аудиофайлы не найдены.")
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return []
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mode = (config.mode or "sequential").lower()
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log(
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f"Найдено треков: {len(files)} | режим: {mode} | "
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f"keep_intermediate={config.keep_intermediate}"
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)
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if config.shazam.enabled:
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log(" Shazam: включён")
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if config.lyrics.enabled:
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log(f" LRCLIB: включён (порог fuzzy={config.lyrics.fuzzy_threshold:.2f})")
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if mode == "staged":
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return _run_staged(config, files, log, on_progress, stop_event)
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return _run_sequential(config, files, log, on_progress, stop_event)
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# ---------------------------------------------------------------- sequential
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def _run_sequential(
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config: PipelineConfig,
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files: list[Path],
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log: LogFn,
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on_progress: Optional[ProgressFn],
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stop_event: Optional[threading.Event],
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) -> list[FileResult]:
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total = len(files)
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results: list[FileResult] = []
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output_root = Path(config.output_dir)
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for idx, f in enumerate(files, 1):
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if stop_event is not None and stop_event.is_set():
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log("⏹ Отменено")
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break
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if on_progress:
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on_progress(idx - 1, total, "file")
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log(f"\n▶ [{idx}/{total}] {f.name}")
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tmp_root = Path(tempfile.mkdtemp(prefix=f"at_{f.stem}_"))
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track_out = output_root / f.stem
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track_out.mkdir(parents=True, exist_ok=True)
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text: Optional[str] = None
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source: Optional[str] = None
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error: Optional[str] = None
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metadata_dict: Optional[dict] = None
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try:
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# --- Phase 1: identification ---
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ident = _identify_file(f, tmp_root, config, log)
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if not ident.needs_asr:
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text = ident.text
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source = ident.source
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metadata_dict = _build_metadata_dict(ident.metadata, ident.shazam, source)
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if text:
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(tmp_root / "text.txt").write_text(text, encoding="utf-8")
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log(f" ✓ text.txt ({len(text)} символов, {source})")
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if metadata_dict:
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_write_metadata_json(tmp_root / "metadata.json", metadata_dict)
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log(" ✓ metadata.json")
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_persist_artifacts(
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tmp_root, track_out, config,
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has_text=text is not None,
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has_metadata=bool(metadata_dict),
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log=log,
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)
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results.append(FileResult(f, text, track_out, None, source, metadata_dict))
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continue
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# --- Phase 2: full pipeline ---
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audio_path: Path = f
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if config.convert.enabled:
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_check_cancel(stop_event)
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log(" [1] Конвертация в WAV...")
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target = tmp_root / "convert.wav"
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if config.overwrite or not target.exists():
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convert_to_wav(
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f, target,
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sample_rate=config.convert.sample_rate,
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channels=config.convert.channels,
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ffmpeg_path=config.convert.ffmpeg_path,
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)
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audio_path = target
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log(" ✓ convert.wav")
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if config.separate.enabled:
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_check_cancel(stop_event)
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log(" [2] Отделение вокала...")
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target = tmp_root / "vocals.wav"
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with tempfile.TemporaryDirectory() as tmp:
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raw = separate_vocals(
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audio_path, Path(tmp),
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model=config.separate.model,
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isolate_stem=config.separate.isolate_stem,
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unblend_path=config.separate.unblend_path,
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custom_kernels=config.separate.custom_kernels,
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)
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shutil.move(str(raw), str(target))
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audio_path = target
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log(" ✓ vocals.wav")
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if config.transcribe.enabled:
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_check_cancel(stop_event)
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log(" [3] Транскрибация...")
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text = transcribe(
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audio_path,
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engine=config.transcribe.engine,
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model=config.transcribe.model,
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language=config.transcribe.language,
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device=config.transcribe.device,
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compute_type=config.transcribe.compute_type,
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batch_size=config.transcribe.batch_size,
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gigaam_provider=config.transcribe.gigaam_provider,
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local_files_only=config.transcribe.local_files_only,
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)
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source = config.transcribe.engine
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log(f" ✓ распознано {len(text)} символов")
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if config.lyrics.enabled and config.lyrics.try_after_asr:
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matched = _try_post_asr_match(text, config, log)
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if matched:
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text = matched
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source = f"{source}+lrclib"
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(tmp_root / "text.txt").write_text(text, encoding="utf-8")
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metadata_dict = _build_metadata_dict(ident.metadata, ident.shazam, source)
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if metadata_dict:
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_write_metadata_json(tmp_root / "metadata.json", metadata_dict)
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_persist_artifacts(
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tmp_root, track_out, config,
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has_text=text is not None,
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has_metadata=bool(metadata_dict),
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log=log,
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)
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except Cancelled:
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log("⏹ Отменено")
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break
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except Exception as e: # noqa: BLE001
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error = f"{type(e).__name__}: {e}"
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log(f" ✗ Ошибка: {error}")
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finally:
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shutil.rmtree(tmp_root, ignore_errors=True)
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if on_progress:
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on_progress(idx, total, "file")
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results.append(
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FileResult(f, text, track_out if not error else None, error, source, metadata_dict)
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)
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_log_summary(results, log)
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return results
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# ---------------------------------------------------------------- staged
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def _run_staged(
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config: PipelineConfig,
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files: list[Path],
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log: LogFn,
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on_progress: Optional[ProgressFn],
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stop_event: Optional[threading.Event],
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) -> list[FileResult]:
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output_root = Path(config.output_dir)
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total = len(files)
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state: dict[Path, dict] = {
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f: {
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"audio_path": f,
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"ident": None,
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"text": None,
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"source": None,
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"metadata_dict": None,
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"error": None,
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"resolved": False,
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}
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for f in files
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}
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def active() -> list[Path]:
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return [f for f in files if state[f]["error"] is None and not state[f]["resolved"]]
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def cancelled() -> bool:
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return stop_event is not None and stop_event.is_set()
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# --- Stage 0: identification ---
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if config.shazam.enabled or config.lyrics.enabled:
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log(f"\n══ Этап 0 · Идентификация ({total} файлов) ══")
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ident_tmp = Path(tempfile.mkdtemp(prefix="at_ident_"))
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try:
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for i, f in enumerate(files, 1):
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if cancelled():
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log("⏹ Отменено")
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break
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if on_progress:
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on_progress(i, total, "identify")
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try:
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ident = _identify_file(f, ident_tmp / f.stem, config, log)
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state[f]["ident"] = ident
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if not ident.needs_asr:
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state[f]["resolved"] = True
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state[f]["text"] = ident.text
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state[f]["source"] = ident.source
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state[f]["metadata_dict"] = _build_metadata_dict(
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ident.metadata, ident.shazam, ident.source,
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)
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# Persist resolved tracks right away
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track_out = output_root / f.stem
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track_out.mkdir(parents=True, exist_ok=True)
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if ident.text:
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(track_out / "text.txt").write_text(ident.text, encoding="utf-8")
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if state[f]["metadata_dict"]:
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_write_metadata_json(track_out / "metadata.json", state[f]["metadata_dict"])
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log(f" ✓ {f.name} [{ident.source}]")
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else:
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log(f" → {f.name} (нужен полный пайплайн)")
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except Exception as e: # noqa: BLE001
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state[f]["error"] = f"{type(e).__name__}: {e}"
|
|
log(f" ✗ {f.name}: {e}")
|
|
finally:
|
|
shutil.rmtree(ident_tmp, ignore_errors=True)
|
|
|
|
# --- Stage 1: convert ---
|
|
if config.convert.enabled and not cancelled():
|
|
todo = active()
|
|
log(f"\n══ Этап 1 · Конвертация ({len(todo)} файлов) ══")
|
|
for i, f in enumerate(todo, 1):
|
|
if cancelled():
|
|
log("⏹ Отменено")
|
|
break
|
|
if on_progress:
|
|
on_progress(i, len(todo), "convert")
|
|
try:
|
|
target = Path(tempfile.mkdtemp(prefix=f"at_{f.stem}_")) / "convert.wav"
|
|
if config.overwrite or not target.exists():
|
|
convert_to_wav(
|
|
f, target,
|
|
sample_rate=config.convert.sample_rate,
|
|
channels=config.convert.channels,
|
|
ffmpeg_path=config.convert.ffmpeg_path,
|
|
)
|
|
state[f]["audio_path"] = target
|
|
log(f" ✓ {f.name}")
|
|
except Exception as e: # noqa: BLE001
|
|
state[f]["error"] = f"{type(e).__name__}: {e}"
|
|
log(f" ✗ {f.name}: {e}")
|
|
|
|
# --- Stage 2: separate ---
|
|
if config.separate.enabled and not cancelled():
|
|
todo = active()
|
|
log(f"\n══ Этап 2 · Отделение вокала ({len(todo)} файлов) ══")
|
|
for i, f in enumerate(todo, 1):
|
|
if cancelled():
|
|
log("⏹ Отменено")
|
|
break
|
|
if on_progress:
|
|
on_progress(i, len(todo), "separate")
|
|
try:
|
|
src = state[f]["audio_path"]
|
|
target = src.parent / "vocals.wav"
|
|
with tempfile.TemporaryDirectory() as tmp:
|
|
raw = separate_vocals(
|
|
src, Path(tmp),
|
|
model=config.separate.model,
|
|
isolate_stem=config.separate.isolate_stem,
|
|
unblend_path=config.separate.unblend_path,
|
|
custom_kernels=config.separate.custom_kernels,
|
|
)
|
|
shutil.move(str(raw), str(target))
|
|
state[f]["audio_path"] = target
|
|
log(f" ✓ {f.name}")
|
|
except Exception as e: # noqa: BLE001
|
|
state[f]["error"] = f"{type(e).__name__}: {e}"
|
|
log(f" ✗ {f.name}: {e}")
|
|
|
|
# --- Stage 3: transcribe ---
|
|
if config.transcribe.enabled and not cancelled():
|
|
todo = active()
|
|
log(f"\n══ Этап 3 · Транскрибация ({len(todo)} файлов) ══")
|
|
for i, f in enumerate(todo, 1):
|
|
if cancelled():
|
|
log("⏹ Отменено")
|
|
break
|
|
if on_progress:
|
|
on_progress(i, len(todo), "transcribe")
|
|
try:
|
|
text = transcribe(
|
|
state[f]["audio_path"],
|
|
engine=config.transcribe.engine,
|
|
model=config.transcribe.model,
|
|
language=config.transcribe.language,
|
|
device=config.transcribe.device,
|
|
compute_type=config.transcribe.compute_type,
|
|
batch_size=config.transcribe.batch_size,
|
|
gigaam_provider=config.transcribe.gigaam_provider,
|
|
local_files_only=config.transcribe.local_files_only,
|
|
)
|
|
state[f]["text"] = text
|
|
state[f]["source"] = config.transcribe.engine
|
|
log(f" ✓ {f.name} ({len(text)} символов)")
|
|
except Exception as e: # noqa: BLE001
|
|
state[f]["error"] = f"{type(e).__name__}: {e}"
|
|
log(f" ✗ {f.name}: {e}")
|
|
|
|
# --- Stage 4: post-ASR lyrics match + persist ---
|
|
if not cancelled():
|
|
log("\n══ Финализация ══")
|
|
for f in files:
|
|
s = state[f]
|
|
if s["error"] is not None:
|
|
continue
|
|
if s["resolved"]:
|
|
continue # already persisted in identification pass
|
|
|
|
text = s["text"]
|
|
source = s["source"]
|
|
|
|
if text and config.lyrics.enabled and config.lyrics.try_after_asr:
|
|
matched = _try_post_asr_match(text, config, log)
|
|
if matched:
|
|
text = matched
|
|
source = f"{source}+lrclib"
|
|
s["text"] = text
|
|
s["source"] = source
|
|
|
|
ident = s["ident"]
|
|
metadata_dict = _build_metadata_dict(
|
|
ident.metadata, ident.shazam, source,
|
|
) if ident else None
|
|
s["metadata_dict"] = metadata_dict
|
|
|
|
track_out = output_root / f.stem
|
|
track_out.mkdir(parents=True, exist_ok=True)
|
|
|
|
audio_work = s["audio_path"]
|
|
work_dir = audio_work.parent if isinstance(audio_work, Path) else track_out
|
|
if text:
|
|
(work_dir / "text.txt").write_text(text, encoding="utf-8")
|
|
if metadata_dict:
|
|
_write_metadata_json(work_dir / "metadata.json", metadata_dict)
|
|
|
|
_persist_artifacts(
|
|
work_dir, track_out, config,
|
|
has_text=text is not None,
|
|
has_metadata=bool(metadata_dict),
|
|
log=log,
|
|
)
|
|
log(f" ✓ {f.name}")
|
|
|
|
# cleanup temp dirs
|
|
for f in files:
|
|
audio_path = state[f]["audio_path"]
|
|
if isinstance(audio_path, Path) and audio_path.parent.name.startswith(f"at_{f.stem}"):
|
|
shutil.rmtree(audio_path.parent, ignore_errors=True)
|
|
|
|
results = [
|
|
FileResult(
|
|
f,
|
|
state[f]["text"],
|
|
output_root / f.stem if state[f]["error"] is None else None,
|
|
state[f]["error"],
|
|
state[f]["source"],
|
|
state[f]["metadata_dict"],
|
|
)
|
|
for f in files
|
|
]
|
|
_log_summary(results, log)
|
|
return results
|
|
|
|
|
|
# ---------------------------------------------------------------- summary
|
|
|
|
def _log_summary(results: list[FileResult], log: LogFn) -> None:
|
|
from collections import Counter
|
|
counts = Counter(r.source or ("error" if r.error else "no_result") for r in results)
|
|
log("\n══ Итог ══")
|
|
for src, n in sorted(counts.items(), key=lambda kv: -kv[1]):
|
|
log(f" {src}: {n}")
|