524 lines
17 KiB
Python
524 lines
17 KiB
Python
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import sys
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import re
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import json
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import time
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import requests
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import yt_dlp
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from pathlib import Path
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SCRIPT_DIR = Path(__file__).parent
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def _ffmpeg_path() -> str | None:
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exe = "ffmpeg.exe" if sys.platform == "win32" else "ffmpeg"
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local = SCRIPT_DIR / "ffmpeg" / exe
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if local.exists():
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return str(SCRIPT_DIR / "ffmpeg")
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return None
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AUDIO_EXTENSIONS = {"mp3", "flac", "wav", "m4a", "ogg", "opus", "mp4", "webm", "aac", "wma"}
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THUMB_EXTENSIONS = {"jpg", "jpeg", "png", "webp"}
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_ANON_TOKEN: str | None = None
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_TOKEN_EXPIRY: float = 0.0
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_UA = (
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"Mozilla/5.0 (Windows NT 10.0; Win64; x64) "
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"AppleWebKit/537.36 (KHTML, like Gecko) "
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"Chrome/124.0.0.0 Safari/537.36"
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)
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def _sanitize_filename(name: str) -> str:
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return re.sub(r'[<>:"/\\|?*\x00-\x1f]', "_", name).strip()
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def detect_platform(url: str) -> str:
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u = url.lower()
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if "spotify.com" in u:
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return "spotify"
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if "music.apple.com" in u:
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return "apple_music"
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return "youtube"
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def _extract_spotify_id(url: str) -> tuple[str, str]:
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m = re.search(
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r"spotify\.com/(?:[a-z]{2}/)?(?:intl-[a-z]+/)?(track|album|playlist)/([A-Za-z0-9]+)",
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url,
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)
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return (m.group(1), m.group(2)) if m else ("", "")
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# --- anonymous token path ---
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def _get_anon_token() -> str:
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global _ANON_TOKEN, _TOKEN_EXPIRY
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if _ANON_TOKEN and time.time() < _TOKEN_EXPIRY:
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return _ANON_TOKEN
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resp = requests.get(
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"https://open.spotify.com/get_access_token?reason=transport&productType=web_player",
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headers={"User-Agent": _UA, "app-platform": "WebPlayer"},
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timeout=10,
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)
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resp.raise_for_status()
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data = resp.json()
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_ANON_TOKEN = data["accessToken"]
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_TOKEN_EXPIRY = data.get("accessTokenExpirationTimestampMs", 0) / 1000 - 30
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return _ANON_TOKEN
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def _api(path: str) -> dict:
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token = _get_anon_token()
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resp = requests.get(
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f"https://api.spotify.com/v1/{path}",
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headers={"Authorization": f"Bearer {token}", "User-Agent": _UA},
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timeout=10,
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)
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resp.raise_for_status()
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return resp.json()
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def _parse_api_track(track: dict, album_override: dict | None = None) -> dict:
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album = album_override or track.get("album") or {}
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images = album.get("images") or []
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cover = images[0]["url"] if images else None
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artists = track.get("artists") or []
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artist = ", ".join(a["name"] for a in artists)
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title = track.get("name", "")
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return {
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"title": title,
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"artist": artist,
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"album": album.get("name"),
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"year": (album.get("release_date") or "")[:4],
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"track_number": track.get("track_number"),
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"cover_url": cover,
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"search_query": f"{artist} - {title} audio",
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"duration": (track.get("duration_ms") or 0) // 1000,
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}
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def _get_via_api(kind: str, sid: str) -> list:
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if kind == "track":
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return [_parse_api_track(_api(f"tracks/{sid}"))]
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if kind == "album":
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album = _api(f"albums/{sid}")
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results = []
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page = album.get("tracks", {})
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while True:
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for t in page.get("items", []):
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results.append(_parse_api_track(t, album))
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nxt = page.get("next")
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if not nxt:
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break
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token = _get_anon_token()
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page = requests.get(nxt, headers={"Authorization": f"Bearer {token}", "User-Agent": _UA}, timeout=10).json()
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return results
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if kind == "playlist":
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results = []
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page = _api(f"playlists/{sid}/tracks?limit=50")
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while True:
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for item in page.get("items", []):
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t = item.get("track")
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if t:
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results.append(_parse_api_track(t))
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nxt = page.get("next")
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if not nxt:
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break
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token = _get_anon_token()
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page = requests.get(nxt, headers={"Authorization": f"Bearer {token}", "User-Agent": _UA}, timeout=10).json()
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return results
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return []
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# --- embed page scraping fallback ---
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def _embed_url(kind: str, sid: str) -> str:
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return f"https://open.spotify.com/embed/{kind}/{sid}"
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def _scrape_embed(kind: str, sid: str) -> dict:
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resp = requests.get(
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_embed_url(kind, sid),
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headers={"User-Agent": _UA, "Accept-Language": "en-US,en;q=0.9"},
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timeout=12,
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)
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resp.raise_for_status()
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m = re.search(
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r'<script id="__NEXT_DATA__" type="application/json">(.*?)</script>',
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resp.text,
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re.DOTALL,
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)
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if not m:
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raise RuntimeError("Could not parse Spotify embed page")
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return json.loads(m.group(1))["props"]["pageProps"]["state"]["data"]["entity"]
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def _best_cover(images: list) -> str | None:
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if not images:
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return None
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return sorted(images, key=lambda x: x.get("maxWidth", 0), reverse=True)[0]["url"]
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def _get_via_embed(kind: str, sid: str) -> list:
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entity = _scrape_embed(kind, sid)
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if kind == "track":
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artists = entity.get("artists") or []
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artist = ", ".join(a["name"] for a in artists)
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title = entity.get("name") or entity.get("title", "")
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year = (entity.get("releaseDate") or {}).get("isoString", "")[:4]
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cover = _best_cover(entity.get("visualIdentity", {}).get("image", []))
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return [
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{
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"title": title,
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"artist": artist,
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"album": None,
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"year": year,
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"track_number": None,
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"cover_url": cover,
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"search_query": f"{artist} - {title} audio",
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"duration": (entity.get("duration") or 0) // 1000,
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}
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]
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if kind in ("album", "playlist"):
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album_name = entity.get("name") or entity.get("title", "")
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album_artist = entity.get("subtitle", "")
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year = (entity.get("releaseDate") or {}).get("isoString", "")[:4]
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cover = _best_cover(entity.get("visualIdentity", {}).get("image", []))
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track_list = entity.get("trackList") or []
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results = []
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for t in track_list:
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title = t.get("title") or t.get("name", "")
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artist = t.get("subtitle") or album_artist
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results.append(
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{
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"title": title,
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"artist": artist,
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"album": album_name if kind == "album" else None,
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"year": year,
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"track_number": None,
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"cover_url": cover,
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"search_query": f"{artist} - {title} audio",
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"duration": (t.get("duration") or 0) // 1000,
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}
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)
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return results
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return []
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def get_spotify_metadata(url: str) -> list:
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kind, sid = _extract_spotify_id(url)
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if not sid:
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raise RuntimeError(f"Cannot parse Spotify URL: {url}")
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try:
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return _get_via_api(kind, sid)
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except Exception:
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pass
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return _get_via_embed(kind, sid)
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# --- Apple Music ---
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def _itunes_track(row: dict, album_name=None, artist_fallback=None, cover_fallback=None, year_fallback=None) -> dict:
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cover = (row.get("artworkUrl100") or cover_fallback or "").replace("100x100bb", "600x600bb")
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artist = row.get("artistName") or artist_fallback or ""
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title = row.get("trackName") or row.get("collectionName") or ""
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return {
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"title": title,
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"artist": artist,
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"album": row.get("collectionName") or album_name,
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"year": (row.get("releaseDate") or year_fallback or "")[:4],
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"track_number": row.get("trackNumber"),
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"cover_url": cover,
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"search_query": f"{artist} - {title} audio",
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"duration": (row.get("trackTimeMillis") or 0) // 1000,
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}
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def _itunes_lookup(track_id: str) -> list:
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try:
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resp = requests.get(f"https://itunes.apple.com/lookup?id={track_id}", timeout=10)
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resp.raise_for_status()
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data = resp.json()
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if data.get("resultCount"):
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return [_itunes_track(data["results"][0])]
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except Exception:
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pass
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return []
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def _itunes_album(album_id: str) -> list:
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try:
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resp = requests.get(f"https://itunes.apple.com/lookup?id={album_id}&entity=song", timeout=10)
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resp.raise_for_status()
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data = resp.json()
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except Exception:
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return []
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album_name = artist_name = cover_url = year = None
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results = []
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for r in data.get("results", []):
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if r.get("wrapperType") == "collection":
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album_name = r.get("collectionName")
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artist_name = r.get("artistName")
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cover_url = (r.get("artworkUrl100") or "").replace("100x100bb", "600x600bb")
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year = (r.get("releaseDate") or "")[:4]
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elif r.get("wrapperType") == "track":
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results.append(_itunes_track(r, album_name, artist_name, cover_url, year))
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return results
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def _itunes_search_from_url(url: str) -> list:
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path = re.sub(r"https?://[^/]+", "", url.split("?")[0])
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parts = [p for p in path.split("/") if p and not re.fullmatch(r"\d+", p) and p not in ("us","ru","gb","de","fr","jp","kr","cn","au","ca","it","es","pl","tr","ua","kz","by","am","ge","az","uz")]
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query = " ".join(parts[-3:]).replace("-", " ")
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if not query.strip():
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return []
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try:
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resp = requests.get(
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f"https://itunes.apple.com/search?term={requests.utils.quote(query)}&media=music&limit=1",
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timeout=10,
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)
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resp.raise_for_status()
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data = resp.json()
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if data.get("resultCount"):
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return [_itunes_track(data["results"][0])]
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except Exception:
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pass
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return []
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def get_apple_music_metadata(url: str) -> list:
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m = re.search(r"[?&]i=(\d+)", url)
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if m:
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r = _itunes_lookup(m.group(1))
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if r:
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return r
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for pattern in (r"/song/[^/?#]+/(\d+)", r"/music-video/[^/?#]+/(\d+)", r"/album/[^/?#]+/(\d+)"):
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m = re.search(pattern, url)
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if m:
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sid = m.group(1)
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if "/album/" in pattern:
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r = _itunes_album(sid)
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else:
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r = _itunes_lookup(sid)
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if r:
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return r
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for m in re.finditer(r"/(\d{6,12})(?:[/?#]|$)", url):
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r = _itunes_lookup(m.group(1))
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if r:
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return r
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r = _itunes_album(m.group(1))
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if r:
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return r
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return _itunes_search_from_url(url)
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# --- yt-dlp options ---
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def _build_opts(fmt: str, quality: str, output_dir: str, meta: dict | None = None, embed_thumb: bool = True) -> dict:
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if meta and meta.get("title") and meta.get("artist"):
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stem = f"{_sanitize_filename(meta['artist'])} - {_sanitize_filename(meta['title'])}"
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else:
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stem = "%(title)s"
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base = {
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"outtmpl": str(Path(output_dir) / f"{stem}.%(ext)s"),
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"quiet": True,
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"no_warnings": True,
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"ignoreerrors": False,
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}
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ffmpeg = _ffmpeg_path()
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if ffmpeg:
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base["ffmpeg_location"] = ffmpeg
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if fmt == "mp4":
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base.update(
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{
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"format": "bestvideo[ext=mp4]+bestaudio[ext=m4a]/bestvideo+bestaudio/best",
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"merge_output_format": "mp4",
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"writethumbnail": embed_thumb,
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"postprocessors": [
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{"key": "FFmpegVideoConvertor", "preferedformat": "mp4"},
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{"key": "FFmpegMetadata"},
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]
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+ ([{"key": "EmbedThumbnail"}] if embed_thumb else []),
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}
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)
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else:
|
||
|
|
codec_map = {"mp3": "mp3", "flac": "flac", "wav": "wav", "m4a": "m4a", "alac": "alac", "ogg": "vorbis", "opus": "opus"}
|
||
|
|
quality_map = {"320": "320", "256": "256", "192": "192", "128": "128", "best": "0", "lossless": "0"}
|
||
|
|
codec = codec_map.get(fmt, "mp3")
|
||
|
|
q = quality_map.get(quality, "0")
|
||
|
|
ytdl_embed = embed_thumb and fmt in ("mp3", "m4a", "opus")
|
||
|
|
base.update(
|
||
|
|
{
|
||
|
|
"format": "bestaudio/best",
|
||
|
|
"writethumbnail": embed_thumb,
|
||
|
|
"postprocessors": [
|
||
|
|
{"key": "FFmpegExtractAudio", "preferredcodec": codec, "preferredquality": q},
|
||
|
|
{"key": "FFmpegMetadata"},
|
||
|
|
]
|
||
|
|
+ ([{"key": "EmbedThumbnail"}] if ytdl_embed else []),
|
||
|
|
}
|
||
|
|
)
|
||
|
|
|
||
|
|
return base
|
||
|
|
|
||
|
|
|
||
|
|
# --- download helpers ---
|
||
|
|
|
||
|
|
def _snapshot_dir(directory: str) -> set:
|
||
|
|
result = set()
|
||
|
|
p = Path(directory)
|
||
|
|
if not p.exists():
|
||
|
|
return result
|
||
|
|
for f in p.iterdir():
|
||
|
|
if f.is_file() and f.suffix.lstrip(".").lower() in AUDIO_EXTENSIONS:
|
||
|
|
result.add(str(f))
|
||
|
|
return result
|
||
|
|
|
||
|
|
|
||
|
|
def _apply_thumb_file(audio_file: str, thumb_path: str):
|
||
|
|
import io
|
||
|
|
from PIL import Image
|
||
|
|
|
||
|
|
try:
|
||
|
|
img = Image.open(thumb_path).convert("RGB")
|
||
|
|
buf = io.BytesIO()
|
||
|
|
img.save(buf, format="JPEG", quality=95)
|
||
|
|
cover_data = buf.getvalue()
|
||
|
|
except Exception:
|
||
|
|
return
|
||
|
|
|
||
|
|
ext = Path(audio_file).suffix.lower()
|
||
|
|
try:
|
||
|
|
if ext == ".flac":
|
||
|
|
from mutagen.flac import FLAC, Picture
|
||
|
|
audio = FLAC(audio_file)
|
||
|
|
audio.clear_pictures()
|
||
|
|
pic = Picture()
|
||
|
|
pic.type = 3
|
||
|
|
pic.mime = "image/jpeg"
|
||
|
|
pic.data = cover_data
|
||
|
|
audio.add_picture(pic)
|
||
|
|
audio.save()
|
||
|
|
elif ext == ".wav":
|
||
|
|
from mutagen.id3 import ID3, APIC, ID3NoHeaderError
|
||
|
|
try:
|
||
|
|
tags = ID3(audio_file)
|
||
|
|
except ID3NoHeaderError:
|
||
|
|
tags = ID3()
|
||
|
|
tags.delall("APIC")
|
||
|
|
tags["APIC"] = APIC(encoding=3, mime="image/jpeg", type=3, desc="Cover", data=cover_data)
|
||
|
|
tags.save(audio_file)
|
||
|
|
elif ext == ".ogg":
|
||
|
|
import base64
|
||
|
|
from mutagen.oggvorbis import OggVorbis
|
||
|
|
from mutagen.flac import Picture
|
||
|
|
audio = OggVorbis(audio_file)
|
||
|
|
pic = Picture()
|
||
|
|
pic.type = 3
|
||
|
|
pic.mime = "image/jpeg"
|
||
|
|
pic.data = cover_data
|
||
|
|
audio["metadata_block_picture"] = [base64.b64encode(pic.write()).decode("ascii")]
|
||
|
|
audio.save()
|
||
|
|
except Exception:
|
||
|
|
pass
|
||
|
|
|
||
|
|
|
||
|
|
def _cleanup_thumbs(output_dir: str):
|
||
|
|
p = Path(output_dir)
|
||
|
|
if not p.exists():
|
||
|
|
return
|
||
|
|
for f in p.iterdir():
|
||
|
|
if f.is_file() and f.suffix.lstrip(".").lower() in THUMB_EXTENSIONS:
|
||
|
|
try:
|
||
|
|
f.unlink()
|
||
|
|
except Exception:
|
||
|
|
pass
|
||
|
|
|
||
|
|
|
||
|
|
def _embed_saved_thumb(audio_file: str, output_dir: str):
|
||
|
|
stem = Path(audio_file).stem
|
||
|
|
for ext in THUMB_EXTENSIONS:
|
||
|
|
thumb = Path(output_dir) / f"{stem}.{ext}"
|
||
|
|
if thumb.exists():
|
||
|
|
_apply_thumb_file(audio_file, str(thumb))
|
||
|
|
try:
|
||
|
|
thumb.unlink()
|
||
|
|
except Exception:
|
||
|
|
pass
|
||
|
|
return
|
||
|
|
|
||
|
|
|
||
|
|
def _download_url(url: str, opts: dict, output_dir: str, fmt: str = "") -> list:
|
||
|
|
before = _snapshot_dir(output_dir)
|
||
|
|
with yt_dlp.YoutubeDL(opts) as ydl:
|
||
|
|
try:
|
||
|
|
ydl.download([url])
|
||
|
|
except yt_dlp.utils.DownloadError as e:
|
||
|
|
if "Postprocessing" not in str(e):
|
||
|
|
raise RuntimeError(str(e)) from e
|
||
|
|
after = _snapshot_dir(output_dir)
|
||
|
|
new_files = list(after - before)
|
||
|
|
|
||
|
|
if fmt in ("flac", "wav", "ogg"):
|
||
|
|
for f in new_files:
|
||
|
|
_embed_saved_thumb(f, output_dir)
|
||
|
|
|
||
|
|
_cleanup_thumbs(output_dir)
|
||
|
|
return new_files
|
||
|
|
|
||
|
|
|
||
|
|
# --- public API ---
|
||
|
|
|
||
|
|
def download_track(url: str, fmt: str, quality: str, output_dir: str, progress_callback=None) -> list:
|
||
|
|
Path(output_dir).mkdir(parents=True, exist_ok=True)
|
||
|
|
platform = detect_platform(url)
|
||
|
|
|
||
|
|
if platform == "spotify":
|
||
|
|
tracks = get_spotify_metadata(url)
|
||
|
|
if not tracks:
|
||
|
|
raise RuntimeError("Could not retrieve Spotify metadata.")
|
||
|
|
return _download_tracks_list(tracks, fmt, quality, output_dir, progress_callback)
|
||
|
|
|
||
|
|
if platform == "apple_music":
|
||
|
|
tracks = get_apple_music_metadata(url)
|
||
|
|
if not tracks:
|
||
|
|
raise RuntimeError("Could not retrieve Apple Music metadata.")
|
||
|
|
return _download_tracks_list(tracks, fmt, quality, output_dir, progress_callback)
|
||
|
|
|
||
|
|
opts = _build_opts(fmt, quality, output_dir, embed_thumb=True)
|
||
|
|
if progress_callback:
|
||
|
|
opts["progress_hooks"] = [progress_callback]
|
||
|
|
return _download_url(url, opts, output_dir, fmt)
|
||
|
|
|
||
|
|
|
||
|
|
def _download_tracks_list(tracks: list, fmt: str, quality: str, output_dir: str, progress_callback=None) -> list:
|
||
|
|
from converter import embed_cover_and_metadata
|
||
|
|
|
||
|
|
downloaded = []
|
||
|
|
for track in tracks:
|
||
|
|
opts = _build_opts(fmt, quality, output_dir, meta=track, embed_thumb=False)
|
||
|
|
if progress_callback:
|
||
|
|
opts["progress_hooks"] = [progress_callback]
|
||
|
|
new_files = _download_url(f"ytsearch1:{track['search_query']}", opts, output_dir, fmt)
|
||
|
|
for f in new_files:
|
||
|
|
embed_cover_and_metadata(f, track)
|
||
|
|
downloaded.append(f)
|
||
|
|
|
||
|
|
return downloaded
|