- Frontend HTML/CSS/JS in webui/ (stile Spotify-like, hero gradient, modal blur) - API bridge JS<->Python in api/bridge.py - Core invariato: downloader yt-dlp, upgrader, spotify client, config - Build scripts macOS (WebKit) e Windows (EdgeChromium) - .gitignore esclude credenziali (config.json, cookies.txt) e artefatti build Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
360 lines
11 KiB
Python
360 lines
11 KiB
Python
"""Logica upgrade qualita audio — riscrittura di upgrade_quality.sh."""
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from __future__ import annotations
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import json
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import re
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import subprocess
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import threading
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from pathlib import Path
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from typing import Callable, Optional
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from core.paths import find_ytdlp, find_ffmpeg_dir, find_ffprobe
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AUDIO_EXTENSIONS = {".mp3", ".m4a", ".wav", ".flac"}
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# Flag globale per interruzione
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_stop_event = threading.Event()
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_current_process: Optional[subprocess.Popen] = None
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_process_lock = threading.Lock()
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def request_stop():
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_stop_event.set()
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with _process_lock:
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if _current_process and _current_process.poll() is None:
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_current_process.terminate()
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def reset_stop():
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_stop_event.clear()
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def is_stopped() -> bool:
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return _stop_event.is_set()
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def scan_audio_files(directory: str, recursive: bool = False) -> list[Path]:
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"""Trova file audio nella directory."""
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base = Path(directory)
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files = []
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if recursive:
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for ext in AUDIO_EXTENSIONS:
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files.extend(base.rglob(f"*{ext}"))
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else:
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for ext in AUDIO_EXTENSIONS:
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files.extend(base.glob(f"*{ext}"))
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return sorted(files)
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def get_bitrate(filepath: str | Path) -> int:
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"""Ritorna il bitrate in kbps tramite ffprobe. Ritorna 0 in caso di errore."""
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try:
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ffprobe_bin = find_ffprobe() or "ffprobe"
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result = subprocess.run(
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[
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ffprobe_bin, "-v", "quiet",
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"-print_format", "json",
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"-show_format",
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str(filepath),
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],
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capture_output=True,
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text=True,
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timeout=30,
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)
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data = json.loads(result.stdout)
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bit_rate = int(data.get("format", {}).get("bit_rate", 0))
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return bit_rate // 1000
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except Exception:
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return 0
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def _load_done_set(done_file: Path) -> set[str]:
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if done_file.exists():
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return set(done_file.read_text(encoding="utf-8").splitlines())
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return set()
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def _mark_done(done_file: Path, filename: str) -> None:
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with open(done_file, "a", encoding="utf-8") as f:
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f.write(filename + "\n")
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def _search_youtube(query: str, cookies_path: Optional[str] = None) -> str:
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"""Cerca un video su YouTube e ritorna l'URL."""
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ytdlp = find_ytdlp()
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cmd = [
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ytdlp,
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f"ytsearch1:{query}",
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"--dump-json",
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"--no-download",
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"--no-warnings",
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"--flat-playlist",
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]
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if cookies_path and Path(cookies_path).exists():
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cmd.extend(["--cookies", cookies_path])
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result = subprocess.run(cmd, capture_output=True, text=True, timeout=30)
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if result.returncode != 0:
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raise ValueError("Ricerca fallita")
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data = json.loads(result.stdout)
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video_id = data.get("id", "")
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if not video_id:
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raise ValueError("Nessun risultato")
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return f"https://www.youtube.com/watch?v={video_id}"
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def update_cover_only(
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filepath: Path,
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video_url: str,
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temp_dir: Path,
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cookies_path: Optional[str] = None,
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) -> bool:
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"""Aggiorna solo la copertina di un file audio. Ritorna True se riuscito."""
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ytdlp = find_ytdlp()
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cmd = [
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ytdlp,
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"--skip-download",
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"--write-thumbnail",
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"--convert-thumbnails", "jpg",
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"--no-warnings",
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"--output", str(temp_dir / "cover"),
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video_url,
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]
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ffmpeg_dir = _find_ffmpeg_dir()
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if ffmpeg_dir:
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cmd.extend(["--ffmpeg-location", ffmpeg_dir])
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if cookies_path and Path(cookies_path).exists():
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cmd.extend(["--cookies", cookies_path])
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subprocess.run(cmd, capture_output=True, timeout=60)
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cover_files = list(temp_dir.glob("cover*.jpg"))
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if not cover_files:
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return False
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cover_file = cover_files[0]
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temp_output = temp_dir / "temp_output.mp3"
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try:
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subprocess.run(
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[
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"ffmpeg", "-y",
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"-i", str(filepath),
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"-i", str(cover_file),
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"-map", "0:a", "-map", "1:0",
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"-c:a", "copy",
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"-id3v2_version", "3",
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"-metadata:s:v", "title=Album cover",
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"-metadata:s:v", "comment=Cover (front)",
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str(temp_output),
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],
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capture_output=True,
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timeout=60,
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)
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except Exception:
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_cleanup_temp(temp_dir)
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return False
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if temp_output.exists():
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temp_output.replace(filepath)
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_cleanup_temp(temp_dir)
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return True
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_cleanup_temp(temp_dir)
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return False
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def _cleanup_temp(temp_dir: Path) -> None:
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for pattern in ("*.jpg", "*.webp", "*.mp3", "*.webm", "*.m4a"):
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for f in temp_dir.glob(pattern):
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f.unlink(missing_ok=True)
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def upgrade_folder(
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directory: str,
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threshold: int = 310,
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cookies_path: Optional[str] = None,
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recursive: bool = False,
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progress_callback: Optional[Callable] = None,
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) -> None:
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"""Logica principale di upgrade qualita."""
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reset_stop()
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ytdlp = find_ytdlp()
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if recursive:
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base = Path(directory)
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folders = set()
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for ext in AUDIO_EXTENSIONS:
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for f in base.rglob(f"*{ext}"):
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folders.add(f.parent)
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folders = sorted(folders)
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else:
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folders = [Path(directory)]
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all_items: list[tuple[Path, Path]] = []
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for folder in folders:
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for ext in AUDIO_EXTENSIONS:
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for f in sorted(folder.glob(f"*{ext}")):
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all_items.append((f, folder))
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total = len(all_items)
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if total == 0:
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if progress_callback:
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progress_callback(0, 0, "", "no_files", 0, 0)
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return
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processed = 0
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for filepath, folder in all_items:
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if is_stopped():
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if progress_callback:
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progress_callback(processed, total, "", "stopped", 0, 0)
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return
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done_file = folder / ".upgraded_tracks"
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temp_dir = folder / ".temp_download"
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temp_dir.mkdir(exist_ok=True)
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done_set = _load_done_set(done_file)
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filename = filepath.stem
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if filename in done_set:
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processed += 1
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if progress_callback:
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progress_callback(processed, total, filepath.name, "skipped", 0, 0)
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continue
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current_kbps = get_bitrate(filepath)
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if progress_callback:
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progress_callback(processed, total, filepath.name, "searching", current_kbps, 0)
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query = filename
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try:
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video_url = _search_youtube(query, cookies_path)
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except Exception:
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_mark_done(done_file, filename)
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processed += 1
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if progress_callback:
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progress_callback(processed, total, filepath.name, "not_found", current_kbps, 0)
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continue
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if is_stopped():
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return
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# Se qualita gia alta, aggiorna solo copertina
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if current_kbps >= threshold:
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if progress_callback:
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progress_callback(processed, total, filepath.name, "cover_only", current_kbps, 0)
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success = update_cover_only(filepath, video_url, temp_dir, cookies_path)
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_mark_done(done_file, filename)
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processed += 1
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status = "cover_done" if success else "cover_failed"
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if progress_callback:
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progress_callback(processed, total, filepath.name, status, current_kbps, current_kbps)
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continue
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# Scarica versione HQ
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if progress_callback:
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progress_callback(processed, total, filepath.name, "downloading", current_kbps, 0)
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cmd = [
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ytdlp,
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"--extract-audio",
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"--audio-format", "mp3",
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"--audio-quality", "0",
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"--embed-thumbnail",
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"--add-metadata",
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"--no-warnings",
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"--newline",
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"--output", str(temp_dir / "%(title)s.%(ext)s"),
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video_url,
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]
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ffmpeg_dir = find_ffmpeg_dir()
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if ffmpeg_dir:
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cmd.extend(["--ffmpeg-location", ffmpeg_dir])
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if cookies_path and Path(cookies_path).exists():
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cmd.extend(["--cookies", cookies_path])
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try:
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with _process_lock:
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_current_process = subprocess.Popen(
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cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, text=True,
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)
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for line in _current_process.stdout:
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if is_stopped():
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_current_process.terminate()
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return
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pct_match = re.search(r"(\d+(?:\.\d+)?)%", line)
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if pct_match and progress_callback:
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pct = int(float(pct_match.group(1)))
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progress_callback(processed, total, filepath.name, "downloading", current_kbps, pct)
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_current_process.wait()
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with _process_lock:
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_current_process = None
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except Exception:
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with _process_lock:
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_current_process = None
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_mark_done(done_file, filename)
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processed += 1
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if progress_callback:
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progress_callback(processed, total, filepath.name, "download_error", current_kbps, 0)
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_cleanup_temp(temp_dir)
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continue
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# Trova il file scaricato
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new_files = list(temp_dir.glob("*.mp3"))
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if not new_files:
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_mark_done(done_file, filename)
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processed += 1
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if progress_callback:
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progress_callback(processed, total, filepath.name, "download_error", current_kbps, 0)
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_cleanup_temp(temp_dir)
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continue
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newest = max(new_files, key=lambda p: p.stat().st_mtime)
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new_kbps = get_bitrate(newest)
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filepath.unlink()
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newest.replace(filepath.parent / f"{filename}.mp3")
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_mark_done(done_file, filename)
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_cleanup_temp(temp_dir)
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processed += 1
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if progress_callback:
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progress_callback(processed, total, filepath.name, "upgraded", current_kbps, new_kbps)
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for folder in folders:
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td = folder / ".temp_download"
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if td.exists():
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try:
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td.rmdir()
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except OSError:
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pass
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if progress_callback and not is_stopped():
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progress_callback(total, total, "", "completed", 0, 0)
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def count_files_info(directory: str, recursive: bool = False) -> tuple[int, int]:
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"""Ritorna (total_audio_files, already_upgraded)."""
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files = scan_audio_files(directory, recursive)
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total = len(files)
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already_done = 0
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for f in files:
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done_file = f.parent / ".upgraded_tracks"
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done_set = _load_done_set(done_file)
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if f.stem in done_set:
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already_done += 1
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return total, already_done
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