390 lines
14 KiB
Python
390 lines
14 KiB
Python
import logging
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import asyncio
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import random
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import os
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import tarfile
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import traceback
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import uuid
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import subprocess
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import shutil
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from pathlib import Path
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from typing import Optional
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from urllib.parse import urlparse, unquote
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import aiohttp
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from datetime import datetime, timezone
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from mediafile import MediaFile # type: ignore[import]
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from rq import get_current_job
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from utils.sr_wrapper import SRUtil
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from dotenv import load_dotenv
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import re
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# ---------- Config ----------
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ROOT_DIR = Path("/storage/music2")
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MAX_RETRIES = 5
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THROTTLE_MIN = 1.0
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THROTTLE_MAX = 3.5
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DISCORD_WEBHOOK = os.getenv("TRIP_WEBHOOK_URI", "").strip()
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HEADERS = {
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"User-Agent": (
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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/116.0.5845.97 Safari/537.36"
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),
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"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
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"Accept-Language": "en-US,en;q=0.9",
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"Connection": "keep-alive",
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}
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logging.basicConfig(
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level=logging.DEBUG,
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format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
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)
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load_dotenv()
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sr = SRUtil()
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# ---------- Discord helper ----------
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async def discord_notify(webhook_url: str, title: str, description: str, target: Optional[str] = None, color: int = 0x00FF00):
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embed = {
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"title": title,
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"description": description[:1900] if description else "",
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"color": color,
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"timestamp": datetime.now(timezone.utc).isoformat(),
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}
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if target:
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embed["fields"] = [{"name": "Target", "value": str(target), "inline": True}]
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payload = {
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"embeds": [embed],
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}
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while True: # permanent retry
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try:
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async with aiohttp.ClientSession() as session:
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async with session.post(webhook_url, json=payload, timeout=aiohttp.ClientTimeout(total=10)) as resp:
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if resp.status >= 400:
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text = await resp.text()
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raise RuntimeError(f"Discord webhook failed ({resp.status}): {text}")
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break
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except Exception as e:
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print(f"Discord send failed, retrying: {e}")
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await asyncio.sleep(5)
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def send_log_to_discord(message: str, level: str, target: Optional[str] = None):
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colors = {"WARNING": 0xFFA500, "ERROR": 0xFF0000, "CRITICAL": 0xFF0000}
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color = colors.get(level.upper(), 0xFFFF00)
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async def _send():
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await discord_notify(
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webhook_url=DISCORD_WEBHOOK,
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title=f"{level} in bulk_download",
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description=message,
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target=target,
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color=color
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)
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try:
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asyncio.get_running_loop()
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# already in an event loop — schedule a task
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asyncio.create_task(_send())
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except RuntimeError:
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# not in an event loop — safe to run
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asyncio.run(_send())
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# ---------- Helpers ----------
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def tag_with_mediafile(file_path: str, meta: dict):
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f = MediaFile(file_path)
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def safe_set(attr, value, default=None, cast=None):
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if value is None:
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value = default
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if value is not None:
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if cast:
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setattr(f, attr, cast(value))
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else:
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setattr(f, attr, str(value))
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safe_set("title", meta.get("title"), default="Unknown Title")
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safe_set("artist", meta.get("artist"), default="Unknown Artist")
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safe_set("albumartist", meta.get("album_artist"), default="Unknown Artist")
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safe_set("album", meta.get("album"), default="Unknown Album")
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safe_set("track", meta.get("track_number"), default=0, cast=int)
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safe_set("disc", meta.get("disc_number"), default=0, cast=int)
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safe_set("isrc", meta.get("isrc"), default="")
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safe_set("bpm", meta.get("bpm"), default=0, cast=int)
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release_date_str = meta.get("release_date")
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release_date_obj = None
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if release_date_str:
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try:
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release_date_obj = datetime.fromisoformat(release_date_str).date()
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except ValueError:
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try:
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release_date_obj = datetime(int(release_date_str[:4]), 1, 1).date()
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except Exception:
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pass
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if release_date_obj:
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f.date = release_date_obj
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f.save()
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def sanitize_filename(name: str) -> str:
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if not name:
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return "Unknown"
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name = name.replace("/", "-").replace("\\", "-")
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name = re.sub(r'[<>:"|?*\x00-\x1F]', "", name)
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name = name.strip().strip(".")
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name = re.sub(r"\s+", " ", name)
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return name[:180] or "Unknown"
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def ensure_unique_path(p: Path) -> Path:
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parent = p.parent
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stem, suffix = p.stem, p.suffix
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existing = {f.name for f in parent.glob(f"*{suffix}") if f.is_file()}
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candidate = f"{stem}{suffix}"
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if candidate not in existing:
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return parent / candidate
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counter = 2
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while True:
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candidate = f"{stem} ({counter}){suffix}"
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if candidate not in existing:
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return parent / candidate
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counter += 1
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# ---------- bulk_download ----------
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def bulk_download(track_list: list, quality: str = "FLAC"):
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"""
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RQ job:
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- fetches stream URLs
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- downloads with retries + throttling
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- uses SR metadata to name/organize files
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- creates ONE tarball for all tracks
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- returns [tarball_path]
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- sends relevant messages to Discord
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"""
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job = get_current_job()
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job_id = job.id if job else uuid.uuid4().hex
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target = job.meta.get("target") if job else None
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staging_root = ROOT_DIR / job_id
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if job:
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try:
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job.meta["track_ids"] = [str(t) for t in (track_list or [])]
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job.meta["tracks"] = []
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job.meta["progress"] = 0
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job.meta["tarball"] = None
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job.meta["status"] = "Started"
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job.save_meta()
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except Exception as e:
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send_log_to_discord(f"Failed to init job.meta: {e}", "WARNING", target)
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# Job started Discord message
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asyncio.run(discord_notify(
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DISCORD_WEBHOOK,
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title=f"Job Started: {job_id}",
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description=f"Processing `{len(track_list)}` track(s)",
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target=target,
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color=0x00FFFF
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))
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async def process_tracks():
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per_track_meta = []
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all_final_files = []
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all_artists = set()
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(ROOT_DIR / "completed").mkdir(parents=True, exist_ok=True)
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async with aiohttp.ClientSession(headers=HEADERS) as session:
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total = len(track_list or [])
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for i, track_id in enumerate(track_list or []):
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track_info = {"track_id": str(track_id), "status": "Pending", "file_path": None, "error": None, "attempts": 0}
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attempt = 0
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while attempt < MAX_RETRIES:
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tmp_file = None
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attempt += 1
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track_info["attempts"] = attempt
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try:
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url = await sr.get_stream_url_by_track_id(track_id, quality)
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if not url:
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raise RuntimeError("No stream URL")
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parsed = urlparse(url)
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clean_path = unquote(parsed.path)
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ext = Path(clean_path).suffix or ".mp3"
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tmp_file = Path(f"/tmp/{uuid.uuid4().hex}{ext}")
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async with session.get(url) as resp:
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resp.raise_for_status()
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with open(tmp_file, "wb") as f:
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async for chunk in resp.content.iter_chunked(64 * 1024):
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f.write(chunk)
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md = await sr.get_metadata_by_track_id(track_id) or {}
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artist_raw = md.get("artist") or "Unknown Artist"
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album_raw = md.get("album") or "Unknown Album"
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title_raw = md.get("title") or f"Track {track_id}"
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artist = sanitize_filename(artist_raw)
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album = sanitize_filename(album_raw)
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title = sanitize_filename(title_raw)
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all_artists.add(artist)
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album_dir = staging_root / artist / album
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album_dir.mkdir(parents=True, exist_ok=True)
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final_file = ensure_unique_path(album_dir / f"{title}{ext}")
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tag_with_mediafile(str(tmp_file), md)
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tmp_file.rename(final_file)
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tmp_file = None
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track_info["status"] = "Success"
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track_info["file_path"] = str(final_file)
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track_info["error"] = None
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all_final_files.append(final_file)
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if job:
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job.meta["progress"] = int(((i + 1) / total) * 100)
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job.meta["tracks"] = per_track_meta + [track_info]
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job.save_meta()
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break
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except aiohttp.ClientResponseError as e:
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msg = f"Track {track_id} attempt {attempt} ClientResponseError: {e}"
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send_log_to_discord(msg, "WARNING", target)
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if e.status == 429:
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wait_time = min(60, 2**attempt)
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await asyncio.sleep(wait_time)
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else:
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await asyncio.sleep(random.uniform(THROTTLE_MIN, THROTTLE_MAX))
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except Exception as e:
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tb = traceback.format_exc()
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msg = f"Track {track_id} attempt {attempt} failed: {e}\n{tb}"
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send_log_to_discord(msg, "ERROR", target)
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track_info["error"] = str(e)
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if attempt >= MAX_RETRIES:
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track_info["status"] = "Failed"
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send_log_to_discord(f"Track {track_id} failed after {attempt} attempts", "ERROR", target)
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await asyncio.sleep(random.uniform(THROTTLE_MIN, THROTTLE_MAX))
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finally:
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try:
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if tmp_file and tmp_file.exists():
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os.remove(tmp_file)
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except Exception:
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pass
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per_track_meta.append(track_info)
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if not all_final_files:
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if job:
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job.meta["tarball"] = None
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job.meta["status"] = "Failed"
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job.save_meta()
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send_log_to_discord(f"No tracks were successfully downloaded for job `{job_id}`", "CRITICAL", target)
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return []
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# Tarball creation
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artist_counts = {}
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for t in per_track_meta:
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if t["status"] == "Success" and t.get("file_path"):
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try:
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artist = Path(t["file_path"]).relative_to(staging_root).parts[0]
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except Exception:
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artist = "Unknown Artist"
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artist_counts[artist] = artist_counts.get(artist, 0) + 1
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top_artist = sorted(artist_counts.items(), key=lambda kv: (-kv[1], kv[0]))[0][0] if artist_counts else "Unknown Artist"
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combined_artist = sanitize_filename(top_artist)
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staged_tarball = staging_root / f"{combined_artist}.tar.gz"
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counter = 1
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base_name = staged_tarball.stem
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while staged_tarball.exists():
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counter += 1
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staged_tarball = staging_root / f"{base_name} ({counter}).tar.gz"
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final_tarball = ROOT_DIR / "completed" / quality / staged_tarball.name
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final_tarball.parent.mkdir(parents=True, exist_ok=True)
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if job:
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job.meta["status"] = "Compressing"
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job.save_meta()
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logging.info("Creating tarball: %s", staged_tarball)
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await discord_notify(DISCORD_WEBHOOK,
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title=f"Compressing: Job {job_id}",
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description=f"Creating tarball (`{len(track_list)}` track(s)).\nStaging path: {staged_tarball}",
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color=0xFFA500,
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target=target)
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try:
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subprocess.run(
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["tar", "-I", "pigz -9", "-cf", str(staged_tarball), "-C", str(staging_root)]
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+ [str(f.relative_to(staging_root)) for f in all_final_files],
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check=True,
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)
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for f in all_final_files:
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try:
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os.remove(f)
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except Exception:
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pass
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except FileNotFoundError:
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send_log_to_discord("pigz not available, falling back to tarfile (slower).", "WARNING", target)
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with tarfile.open(staged_tarball, "w:gz") as tar:
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for f in all_final_files:
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try:
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arcname = f.relative_to(staging_root)
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except ValueError:
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arcname = f.name
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tar.add(f, arcname=str(arcname))
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try:
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os.remove(f)
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except Exception:
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pass
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if not staged_tarball.exists():
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send_log_to_discord(f"Tarball was not created: `{staged_tarball}`", "CRITICAL", target)
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if job:
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job.meta["status"] = "compress_failed"
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job.save_meta()
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return []
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try:
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staged_tarball.rename(final_tarball)
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except Exception:
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shutil.move(str(staged_tarball), str(final_tarball))
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await asyncio.to_thread(shutil.rmtree, staging_root, ignore_errors=True)
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if job:
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job.meta["tarball"] = str(final_tarball)
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job.meta["progress"] = 100
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job.meta["status"] = "Completed"
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job.save_meta()
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# Job completed Discord message
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await discord_notify(
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DISCORD_WEBHOOK,
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title=f"Job Completed: {job_id}",
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description=f"Processed `{len(track_list)}` track(s). Tarball: `{final_tarball}`",
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target=target,
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color=0x00FF00
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)
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return [str(final_tarball)]
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loop = asyncio.new_event_loop()
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asyncio.set_event_loop(loop)
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try:
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return loop.run_until_complete(process_tracks())
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except Exception as e:
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send_log_to_discord(f"bulk_download failed: {e}\n{traceback.format_exc()}", "CRITICAL", target)
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if job:
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job.meta["status"] = "Failed"
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job.save_meta()
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finally:
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loop.close()
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