368 lines
10 KiB
Python
368 lines
10 KiB
Python
from dataclasses import dataclass
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import pathlib
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import os
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import re
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import shutil
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import urllib.request
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from threading import Thread
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import time
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from collections.abc import Callable
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from yt_dlp import YoutubeDL
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from yt_dlp.postprocessor import PostProcessor
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from yt_dlp.utils import DownloadError, ExtractorError
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import mutagen
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from mutagen.easyid3 import EasyID3
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from mutagen.mp3 import MP3
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from mutagen.id3 import ID3, APIC
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from flask import Flask, render_template, request, jsonify
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MUSIC_FOLDER = os.environ.get("HAPPY_RIPPER_MUSIC_DIR", "Music")
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ACCESS_URL = os.environ.get("HAPPY_RIPPER_ACCESS_URL", "https://test.test.test")
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PORT = int(os.environ.get("HAPPY_RIPPER_MUSIC_PORT", 5000))
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@dataclass
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class ReleaseInfo:
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artist: str
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title: str
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art_url: str
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is_album: bool
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is_topic: bool
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@dataclass
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class ReleaseStatus:
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info: ReleaseInfo | None
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status: str
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destinations: set[str]
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class RipError(Exception):
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def __init__(self, msg):
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super().__init__(msg)
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self.msg = msg
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class MetadataPostProcessor(PostProcessor):
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def __init__(self, info: ReleaseInfo, art_path: str, on_finish: Callable):
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super().__init__()
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self.info = info
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self.art_path = art_path
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self.on_finish = on_finish
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def run(self, information):
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file = pathlib.Path(information["filepath"])
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audio = EasyID3(file)
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audio.delete()
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audio["title"] = information["title"]
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audio["artist"] = information["uploader"].replace(" - Topic", "")
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audio["album"] = self.info.title
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index = information.get("playlist_index")
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if index is None:
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index = 1
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audio["tracknumber"] = str(index)
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audio.save()
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id3audio = MP3(file, ID3=ID3)
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id3audio_tags = id3audio.tags
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if id3audio_tags is None:
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raise RipError("ID3 tags missing")
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id3audio_tags.add(
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APIC(
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mime="image/jpeg",
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type=3,
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desc="Cover",
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data=open(self.art_path, "rb").read(),
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)
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)
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id3audio.save()
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self.on_finish()
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return [], information
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def create_or_wipe_folder(path: str) -> None:
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"""Creates tmp directory, if it already exists, it clears it, and makes a new one."""
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if not os.path.isdir(path):
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os.mkdir(path)
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else:
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shutil.rmtree(path)
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os.mkdir(path)
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def get_content_json(url: str):
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with YoutubeDL({"playlist_items": "1"}) as ydl:
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return ydl.extract_info(url, download=False)
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def download_content(path: str, url: str, post_processor: PostProcessor) -> None:
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try:
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with YoutubeDL(
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{
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"format": "bestaudio/best",
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"ignoreerrors": True,
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"restrictfilenames": True,
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"postprocessors": [
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{
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"key": "FFmpegExtractAudio",
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"preferredcodec": "mp3",
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}
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],
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"outtmpl": f"{path}/%(title)s.%(ext)s",
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}
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) as ydl:
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ydl.add_post_processor(post_processor)
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error_code = ydl.download([url])
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if error_code > 1:
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raise RipError(f"Content download failed ({error_code})")
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except DownloadError:
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raise RipError("Content Download Failed")
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except ExtractorError:
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raise RipError("Content Extraction Failed")
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def find_release_info(url: str) -> ReleaseInfo:
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try:
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info = get_content_json(url)
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except DownloadError:
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raise RipError("Info Download Failed")
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except ExtractorError:
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raise RipError("Info Extraction Failed")
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entries = info.get("entries")
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if entries is None:
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first_entry = info
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else:
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first_entry = next(iter(entries), None)
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if not first_entry:
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raise RipError("Entries is empty")
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artist = first_entry.get("uploader")
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if artist is None:
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raise RipError("Uploader tag is none")
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is_topic = False
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if " - Topic" in artist:
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is_topic = True
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artist = artist.replace(" - Topic", "")
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title = info.get("title")
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if title is None:
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raise RipError("Title tag is none")
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is_album = False
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if "Album - " in title:
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is_album = True
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title = title.replace("Album - ", "")
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thumbnails = info.get("thumbnails")
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if thumbnails is None:
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raise RipError("Thumbnails is none")
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art_url = thumbnails[1]["url"]
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if not is_album:
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artist = "Various Artists"
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return ReleaseInfo(artist, title, art_url, is_album, is_topic)
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def find_tmp_path() -> str:
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project_root_path = pathlib.Path(__file__).parent.resolve()
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return f"{project_root_path}/tmp"
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def sort_into_music(path: str, info: ReleaseInfo) -> set[str]:
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destinations: set[str] = set()
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try:
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for file_name in os.listdir(path):
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if file_name == "cover.jpg":
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continue
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audio = EasyID3(os.path.join(path, file_name))
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artist_list = audio.get("artist")
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if artist_list is None:
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raise RipError("Artist tag was None")
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artist = artist_list[0]
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re.sub(r"[^\w_. -]", "_", artist)
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title = info.title
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re.sub(r"[^\w_. -]", "_", title)
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artist_path = os.path.join(MUSIC_FOLDER, artist)
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release_path = os.path.join(MUSIC_FOLDER, artist, title)
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if not os.path.exists(artist_path):
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os.makedirs(artist_path)
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if not os.path.exists(release_path):
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os.mkdir(release_path)
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dst_file_path = os.path.join(release_path, file_name)
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dst_file_path_cover = os.path.join(release_path, "cover.jpg")
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if os.path.exists(dst_file_path):
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os.remove(dst_file_path)
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if os.path.exists(dst_file_path_cover):
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os.remove(dst_file_path_cover)
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source_file_path = os.path.join(path, file_name)
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shutil.move(source_file_path, release_path)
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source_file_path_cover = os.path.join(path, "cover.jpg")
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shutil.copy(source_file_path_cover, release_path)
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destinations.add(release_path)
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except Exception:
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raise RipError("Filesystem error")
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return destinations
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def rip_worker(rip_queue: list[str], status_callback: Callable):
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tmp_path = find_tmp_path()
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while True:
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if len(rip_queue) == 0:
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time.sleep(1)
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continue
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status_callback("Gathering info", False)
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url = rip_queue.pop(0)
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create_or_wipe_folder(tmp_path)
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try:
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info = find_release_info(url)
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status_callback(info, False)
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status_callback("Downloading art", False)
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art_path = os.path.join(tmp_path, "cover.jpg")
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urllib.request.urlretrieve(info.art_url, art_path)
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if not os.path.exists(art_path):
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raise RipError("Art download failed")
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status_callback("Downloading content (0)", False)
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on_index = 0
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def on_download_finish() -> None:
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nonlocal on_index
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on_index += 1
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status_callback(f"Downloading content ({on_index})", False)
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download_content(tmp_path, url, MetadataPostProcessor(info, art_path, on_download_finish))
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if len(os.listdir(tmp_path)) == 0:
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raise RipError("No content was downloaded")
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status_callback("Sorting content", False)
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destinations = sort_into_music(tmp_path, info)
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status_callback(destinations, False)
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except RipError as e:
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status_callback(e.msg, True)
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except Exception:
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status_callback("Unknown Error", True)
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else:
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status_callback("Finished sucessfully", True)
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if __name__ == "__main__":
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app = Flask(__name__)
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rip_queue: list[str] = []
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finished_queue: list[ReleaseStatus] = []
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current_release_info: ReleaseInfo | None = None
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current_release_status_message: str = ""
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current_release_destinations: set[str] = set()
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def get_current_release_status(x: ReleaseInfo | str | set[str], finished: bool):
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global current_release_info
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global current_release_status_message
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global current_release_destinations
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global finished_queue
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if type(x) is ReleaseInfo:
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current_release_info = x
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elif type(x) is str:
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current_release_status_message = x
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elif type(x) is set:
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current_release_destinations = x.copy()
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if finished:
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if current_release_info is None:
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current_release_info = ReleaseInfo("Unknown", "Unknown", "url", False, False)
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finished_queue.append(
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ReleaseStatus(current_release_info, current_release_status_message, current_release_destinations.copy())
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)
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current_release_info = None
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current_release_status_message = "Waiting"
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current_release_destinations = set()
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if len(finished_queue) > 30:
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finished_queue.pop(0)
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ripping_thread = Thread(target=rip_worker, args=(rip_queue, get_current_release_status), daemon=True).start()
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@app.route("/")
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def index():
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return render_template("index.html")
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@app.route("/rip", methods=["POST"])
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def rip():
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url = request.form.get("url")
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if url is None:
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return jsonify({"success": False, "message": "Url is None"})
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rip_queue.append(url)
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return jsonify({"success": True, "message": f"Added, {url}!"})
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@app.route("/status", methods=["GET"])
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def status():
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data = {"success": True, "queue": rip_queue, "finishedQueue": [], "status": current_release_status_message}
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for q in finished_queue:
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if q.info is None:
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continue
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data["finishedQueue"].append(
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{
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"artist": q.info.artist,
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"title": q.info.title,
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"status": q.status,
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"art_url": q.info.art_url,
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"destinations": list(q.destinations),
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}
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)
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if current_release_info is not None:
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data["currentReleaseInfo"] = {
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"artist": current_release_info.artist,
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"title": current_release_info.title,
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"art_url": current_release_info.art_url,
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}
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return jsonify(data)
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app.run(host="0.0.0.0", port=PORT)
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