564 lines
26 KiB
Python
564 lines
26 KiB
Python
from concurrent.futures import ThreadPoolExecutor
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from time import sleep
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from os.path import sep as pathSep
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from os import makedirs, system as execute
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from pathlib import Path
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from shlex import quote
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import errno
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import logging
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from tempfile import gettempdir
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import requests
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from requests import get
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from urllib3.exceptions import SSLError as u3SSLError
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from mutagen.flac import FLACNoHeaderError, error as FLACError
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from deezer import TrackFormats
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from deemix.types.DownloadObjects import Single, Collection
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from deemix.types.Track import Track, AlbumDoesntExists, MD5NotFound
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from deemix.types.Picture import StaticPicture
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from deemix.utils import USER_AGENT_HEADER
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from deemix.utils.pathtemplates import generatePath, generateAlbumName, generateArtistName, generateDownloadObjectName
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from deemix.tagger import tagID3, tagFLAC
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from deemix.decryption import generateStreamURL, streamTrack, DownloadCanceled
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from deemix.settings import OverwriteOption
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logger = logging.getLogger('deemix')
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extensions = {
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TrackFormats.FLAC: '.flac',
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TrackFormats.LOCAL: '.mp3',
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TrackFormats.MP3_320: '.mp3',
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TrackFormats.MP3_128: '.mp3',
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TrackFormats.DEFAULT: '.mp3',
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TrackFormats.MP4_RA3: '.mp4',
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TrackFormats.MP4_RA2: '.mp4',
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TrackFormats.MP4_RA1: '.mp4'
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}
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TEMPDIR = Path(gettempdir()) / 'deemix-imgs'
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if not TEMPDIR.is_dir(): makedirs(TEMPDIR)
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def downloadImage(url, path, overwrite=OverwriteOption.DONT_OVERWRITE):
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if path.is_file() and overwrite not in [OverwriteOption.OVERWRITE, OverwriteOption.ONLY_TAGS, OverwriteOption.KEEP_BOTH]: return path
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try:
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image = get(url, headers={'User-Agent': USER_AGENT_HEADER}, timeout=30)
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image.raise_for_status()
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with open(path, 'wb') as f:
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f.write(image.content)
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return path
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except requests.exceptions.HTTPError:
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if path.is_file(): path.unlink()
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if 'cdns-images.dzcdn.net' in url:
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urlBase = url[:url.rfind("/")+1]
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pictureUrl = url[len(urlBase):]
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pictureSize = int(pictureUrl[:pictureUrl.find("x")])
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if pictureSize > 1200:
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return downloadImage(urlBase+pictureUrl.replace(f"{pictureSize}x{pictureSize}", '1200x1200'), path, overwrite)
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except (requests.exceptions.ConnectionError, requests.exceptions.ChunkedEncodingError, u3SSLError) as e:
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if path.is_file(): path.unlink()
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sleep(5)
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return downloadImage(url, path, overwrite)
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except OSError as e:
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if path.is_file(): path.unlink()
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if e.errno == errno.ENOSPC: raise DownloadFailed("noSpaceLeft") from e
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logger.exception("Error while downloading an image, you should report this to the developers: %s", e)
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return None
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def getPreferredBitrate(track, bitrate, shouldFallback, uuid=None, listener=None):
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bitrate = int(bitrate)
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if track.local: return TrackFormats.LOCAL
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falledBack = False
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formats_non_360 = {
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TrackFormats.FLAC: "FLAC",
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TrackFormats.MP3_320: "MP3_320",
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TrackFormats.MP3_128: "MP3_128",
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}
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formats_360 = {
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TrackFormats.MP4_RA3: "MP4_RA3",
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TrackFormats.MP4_RA2: "MP4_RA2",
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TrackFormats.MP4_RA1: "MP4_RA1",
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}
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is360format = bitrate in formats_360.keys()
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if not shouldFallback:
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formats = formats_360
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formats.update(formats_non_360)
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elif is360format:
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formats = formats_360
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else:
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formats = formats_non_360
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def testBitrate(track, formatNumber, formatName):
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request = requests.head(
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generateStreamURL(track.id, track.MD5, track.mediaVersion, formatNumber),
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headers={'User-Agent': USER_AGENT_HEADER},
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timeout=30
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)
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try:
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request.raise_for_status()
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track.filesizes[f"FILESIZE_{formatName}"] = request.headers["Content-Length"]
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track.filesizes[f"FILESIZE_{formatName}_TESTED"] = True
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return formatNumber
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except requests.exceptions.HTTPError: # if the format is not available, Deezer returns a 403 error
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return None
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for formatNumber, formatName in formats.items():
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if formatNumber > bitrate: continue
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if f"FILESIZE_{formatName}" in track.filesizes:
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if int(track.filesizes[f"FILESIZE_{formatName}"]) != 0: return formatNumber
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if not track.filesizes[f"FILESIZE_{formatName}_TESTED"]:
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testedBitrate = testBitrate(track, formatNumber, formatName)
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if testedBitrate: return testedBitrate
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if not shouldFallback:
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raise PreferredBitrateNotFound
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if not falledBack:
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falledBack = True
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logger.info("%s Fallback to lower bitrate", f"[{track.mainArtist.name} - {track.title}]")
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if listener and uuid:
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listener.send('queueUpdate', {
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'uuid': uuid,
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'bitrateFallback': True,
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'data': {
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'id': track.id,
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'title': track.title,
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'artist': track.mainArtist.name
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},
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})
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if is360format: raise TrackNot360
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return TrackFormats.DEFAULT
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class Downloader:
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def __init__(self, dz, downloadObject, settings, listener=None):
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self.dz = dz
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self.downloadObject = downloadObject
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self.settings = settings
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self.bitrate = downloadObject.bitrate
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self.listener = listener
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self.extrasPath = None
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self.playlistCoverName = None
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self.playlistURLs = []
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def start(self):
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if not self.downloadObject.isCanceled:
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if isinstance(self.downloadObject, Single):
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track = self.downloadWrapper({
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'trackAPI_gw': self.downloadObject.single['trackAPI_gw'],
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'trackAPI': self.downloadObject.single.get('trackAPI'),
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'albumAPI': self.downloadObject.single.get('albumAPI')
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})
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if track: self.afterDownloadSingle(track)
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elif isinstance(self.downloadObject, Collection):
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tracks = [None] * len(self.downloadObject.collection['tracks_gw'])
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with ThreadPoolExecutor(self.settings['queueConcurrency']) as executor:
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for pos, track in enumerate(self.downloadObject.collection['tracks_gw'], start=0):
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tracks[pos] = executor.submit(self.downloadWrapper, {
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'trackAPI_gw': track,
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'albumAPI': self.downloadObject.collection.get('albumAPI'),
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'playlistAPI': self.downloadObject.collection.get('playlistAPI')
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})
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self.afterDownloadCollection(tracks)
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if self.listener:
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if self.listener:
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self.listener.send('currentItemCancelled', self.downloadObject.uuid)
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self.listener.send("removedFromQueue", self.downloadObject.uuid)
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else:
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self.listener.send("finishDownload", self.downloadObject.uuid)
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def download(self, extraData, track=None):
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returnData = {}
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trackAPI_gw = extraData['trackAPI_gw']
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trackAPI = extraData.get('trackAPI')
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albumAPI = extraData.get('albumAPI')
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playlistAPI = extraData.get('playlistAPI')
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if self.downloadObject.isCanceled: raise DownloadCanceled
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if trackAPI_gw['SNG_ID'] == "0": raise DownloadFailed("notOnDeezer")
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itemName = f"[{trackAPI_gw['ART_NAME']} - {trackAPI_gw['SNG_TITLE']}]"
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# Create Track object
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if not track:
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logger.info("%s Getting the tags", itemName)
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try:
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track = Track().parseData(
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dz=self.dz,
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trackAPI_gw=trackAPI_gw,
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trackAPI=trackAPI,
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albumAPI=albumAPI,
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playlistAPI=playlistAPI
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)
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except AlbumDoesntExists as e:
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raise DownloadError('albumDoesntExists') from e
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except MD5NotFound as e:
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raise DownloadError('notLoggedIn') from e
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itemName = f"[{track.mainArtist.name} - {track.title}]"
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# Check if track not yet encoded
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if track.MD5 == '': raise DownloadFailed("notEncoded", track)
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# Choose the target bitrate
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try:
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selectedFormat = getPreferredBitrate(
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track,
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self.bitrate,
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self.settings['fallbackBitrate'],
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self.downloadObject.uuid, self.listener
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)
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except PreferredBitrateNotFound as e:
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raise DownloadFailed("wrongBitrate", track) from e
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except TrackNot360 as e:
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raise DownloadFailed("no360RA") from e
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track.bitrate = selectedFormat
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track.album.bitrate = selectedFormat
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# Apply settings
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track.applySettings(self.settings)
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# Generate filename and filepath from metadata
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(filename, filepath, artistPath, coverPath, extrasPath) = generatePath(track, self.downloadObject, self.settings)
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# Make sure the filepath exists
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makedirs(filepath, exist_ok=True)
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extension = extensions[track.bitrate]
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writepath = filepath / f"{filename}{extension}"
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# Save extrasPath
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if extrasPath and not self.extrasPath: self.extrasPath = extrasPath
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# Generate covers URLs
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embeddedImageFormat = f'jpg-{self.settings["jpegImageQuality"]}'
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if self.settings['embeddedArtworkPNG']: embeddedImageFormat = 'png'
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track.album.embeddedCoverURL = track.album.pic.getURL(self.settings['embeddedArtworkSize'], embeddedImageFormat)
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ext = track.album.embeddedCoverURL[-4:]
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if ext[0] != ".": ext = ".jpg" # Check for Spotify images
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track.album.embeddedCoverPath = TEMPDIR / ((f"pl{track.playlist.id}" if track.album.isPlaylist else f"alb{track.album.id}") + f"_{self.settings['embeddedArtworkSize']}{ext}")
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# Download and cache coverart
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logger.info("%s Getting the album cover", itemName)
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track.album.embeddedCoverPath = downloadImage(track.album.embeddedCoverURL, track.album.embeddedCoverPath)
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# Save local album art
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if coverPath:
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returnData['albumURLs'] = []
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for pic_format in self.settings['localArtworkFormat'].split(","):
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if pic_format in ["png","jpg"]:
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extendedFormat = pic_format
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if extendedFormat == "jpg": extendedFormat += f"-{self.settings['jpegImageQuality']}"
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url = track.album.pic.getURL(self.settings['localArtworkSize'], extendedFormat)
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# Skip non deezer pictures at the wrong format
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if isinstance(track.album.pic, StaticPicture) and pic_format != "jpg":
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continue
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returnData['albumURLs'].append({'url': url, 'ext': pic_format})
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returnData['albumPath'] = coverPath
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returnData['albumFilename'] = generateAlbumName(self.settings['coverImageTemplate'], track.album, self.settings, track.playlist)
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# Save artist art
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if artistPath:
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returnData['artistURLs'] = []
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for pic_format in self.settings['localArtworkFormat'].split(","):
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# Deezer doesn't support png artist images
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if pic_format == "jpg":
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extendedFormat = f"{pic_format}-{self.settings['jpegImageQuality']}"
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url = track.album.mainArtist.pic.getURL(self.settings['localArtworkSize'], extendedFormat)
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if track.album.mainArtist.pic.md5 == "": continue
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returnData['artistURLs'].append({'url': url, 'ext': pic_format})
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returnData['artistPath'] = artistPath
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returnData['artistFilename'] = generateArtistName(self.settings['artistImageTemplate'], track.album.mainArtist, self.settings, rootArtist=track.album.rootArtist)
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# Save playlist art
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if track.playlist:
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if len(self.playlistURLs) == 0:
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for pic_format in self.settings['localArtworkFormat'].split(","):
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if pic_format in ["png","jpg"]:
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extendedFormat = pic_format
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if extendedFormat == "jpg": extendedFormat += f"-{self.settings['jpegImageQuality']}"
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url = track.playlist.pic.getURL(self.settings['localArtworkSize'], extendedFormat)
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if isinstance(track.playlist.pic, StaticPicture) and pic_format != "jpg": continue
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self.playlistURLs.append({'url': url, 'ext': pic_format})
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if not self.playlistCoverName:
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track.playlist.bitrate = selectedFormat
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track.playlist.dateString = track.playlist.date.format(self.settings['dateFormat'])
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self.playlistCoverName = generateAlbumName(self.settings['coverImageTemplate'], track.playlist, self.settings, track.playlist)
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# Save lyrics in lrc file
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if self.settings['syncedLyrics'] and track.lyrics.sync:
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if not (filepath / f"{filename}.lrc").is_file() or self.settings['overwriteFile'] in [OverwriteOption.OVERWRITE, OverwriteOption.ONLY_TAGS]:
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with open(filepath / f"{filename}.lrc", 'wb') as f:
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f.write(track.lyrics.sync.encode('utf-8'))
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# Check for overwrite settings
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trackAlreadyDownloaded = writepath.is_file()
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# Don't overwrite and don't mind extension
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if not trackAlreadyDownloaded and self.settings['overwriteFile'] == OverwriteOption.DONT_CHECK_EXT:
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exts = ['.mp3', '.flac', '.opus', '.m4a']
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baseFilename = str(filepath / filename)
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for ext in exts:
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trackAlreadyDownloaded = Path(baseFilename+ext).is_file()
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if trackAlreadyDownloaded: break
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# Don't overwrite and keep both files
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if trackAlreadyDownloaded and self.settings['overwriteFile'] == OverwriteOption.KEEP_BOTH:
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baseFilename = str(filepath / filename)
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c = 1
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currentFilename = baseFilename+' ('+str(c)+')'+ extension
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while Path(currentFilename).is_file():
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c += 1
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currentFilename = baseFilename+' ('+str(c)+')'+ extension
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trackAlreadyDownloaded = False
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writepath = Path(currentFilename)
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if not trackAlreadyDownloaded or self.settings['overwriteFile'] == OverwriteOption.OVERWRITE:
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logger.info("%s Downloading the track", itemName)
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track.downloadUrl = generateStreamURL(track.id, track.MD5, track.mediaVersion, track.bitrate)
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try:
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with open(writepath, 'wb') as stream:
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streamTrack(stream, track, downloadObject=self.downloadObject, listener=self.listener)
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except requests.exceptions.HTTPError as e:
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raise DownloadFailed('notAvailable', track) from e
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except OSError as e:
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if writepath.is_file(): writepath.unlink()
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if e.errno == errno.ENOSPC: raise DownloadFailed("noSpaceLeft") from e
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raise e
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else:
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logger.info("%s Skipping track as it's already downloaded", itemName)
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self.downloadObject.completeTrackProgress(self.listener)
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# Adding tags
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if (not trackAlreadyDownloaded or self.settings['overwriteFile'] in [OverwriteOption.ONLY_TAGS, OverwriteOption.OVERWRITE]) and not track.local:
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logger.info("%s Applying tags to the track", itemName)
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if extension == '.mp3':
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tagID3(writepath, track, self.settings['tags'])
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elif extension == '.flac':
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try:
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tagFLAC(writepath, track, self.settings['tags'])
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except (FLACNoHeaderError, FLACError):
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writepath.unlink()
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logger.warning("%s Track not available in FLAC, falling back if necessary", itemName)
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self.downloadObject.removeTrackProgress(self.listener)
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track.filesizes['FILESIZE_FLAC'] = "0"
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track.filesizes['FILESIZE_FLAC_TESTED'] = True
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return self.download(trackAPI_gw, track=track)
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if track.searched: returnData['searched'] = True
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self.downloadObject.downloaded += 1
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self.downloadObject.files.append(str(writepath))
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self.downloadObject.extrasPath = str(self.extrasPath)
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logger.info("%s Track download completed\n%s", itemName, writepath)
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if self.listener: self.listener.send("updateQueue", {
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'uuid': self.downloadObject.uuid,
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'downloaded': True,
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'downloadPath': str(writepath),
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'extrasPath': str(self.extrasPath)
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})
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returnData['filename'] = str(writepath)[len(str(extrasPath))+ len(pathSep):]
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returnData['data'] = {
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'id': track.id,
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'title': track.title,
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'artist': track.mainArtist.name
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}
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return returnData
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def downloadWrapper(self, extraData, track=None):
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trackAPI_gw = extraData['trackAPI_gw']
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if ('_EXTRA_TRACK' in trackAPI_gw):
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extraData['trackAPI'] = trackAPI_gw['_EXTRA_TRACK'].copy()
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del extraData['trackAPI_gw']['_EXTRA_TRACK']
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del trackAPI_gw['_EXTRA_TRACK']
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# Temp metadata to generate logs
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tempTrack = {
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'id': trackAPI_gw['SNG_ID'],
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'title': trackAPI_gw['SNG_TITLE'].strip(),
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'artist': trackAPI_gw['ART_NAME']
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}
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if trackAPI_gw.get('VERSION') and trackAPI_gw['VERSION'] not in trackAPI_gw['SNG_TITLE']:
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tempTrack['title'] += f" {trackAPI_gw['VERSION']}".strip()
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itemName = f"[{tempTrack['artist']} - {tempTrack['title']}]"
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try:
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result = self.download(extraData, track)
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except DownloadFailed as error:
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if error.track:
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track = error.track
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if track.fallbackID != "0":
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logger.warning("%s %s Using fallback id", itemName, error.message)
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newTrack = self.dz.gw.get_track_with_fallback(track.fallbackID)
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track.parseEssentialData(newTrack)
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track.retriveFilesizes(self.dz)
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return self.downloadWrapper(extraData, track)
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if not track.searched and self.settings['fallbackSearch']:
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logger.warning("%s %s Searching for alternative", itemName, error.message)
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searchedId = self.dz.api.get_track_id_from_metadata(track.mainArtist.name, track.title, track.album.title)
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if searchedId != "0":
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newTrack = self.dz.gw.get_track_with_fallback(searchedId)
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track.parseEssentialData(newTrack)
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track.retriveFilesizes(self.dz)
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track.searched = True
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if self.listener: self.listener.send('queueUpdate', {
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'uuid': self.downloadObject.uuid,
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'searchFallback': True,
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'data': {
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'id': track.id,
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'title': track.title,
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'artist': track.mainArtist.name
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},
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})
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return self.downloadWrapper(extraData, track)
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error.errid += "NoAlternative"
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error.message = errorMessages[error.errid]
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logger.error("%s %s", itemName, error.message)
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result = {'error': {
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'message': error.message,
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'errid': error.errid,
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'data': tempTrack
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}}
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except Exception as e:
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logger.exception("%s %s", itemName, e)
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result = {'error': {
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'message': str(e),
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'data': tempTrack
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}}
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if 'error' in result:
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self.downloadObject.completeTrackProgress(self.listener)
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self.downloadObject.failed += 1
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self.downloadObject.errors.append(result['error'])
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if self.listener:
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error = result['error']
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self.listener.send("updateQueue", {
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'uuid': self.downloadObject.uuid,
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'failed': True,
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'data': error['data'],
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'error': error['message'],
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'errid': error['errid'] if 'errid' in error else None
|
|
})
|
|
return result
|
|
|
|
def afterDownloadSingle(self, track):
|
|
if not self.extrasPath: self.extrasPath = Path(self.settings['downloadLocation'])
|
|
|
|
# Save Album Cover
|
|
if self.settings['saveArtwork'] and 'albumPath' in track:
|
|
for image in track['albumURLs']:
|
|
downloadImage(image['url'], track['albumPath'] / f"{track['albumFilename']}.{image['ext']}", self.settings['overwriteFile'])
|
|
|
|
# Save Artist Artwork
|
|
if self.settings['saveArtworkArtist'] and 'artistPath' in track:
|
|
for image in track['artistURLs']:
|
|
downloadImage(image['url'], track['artistPath'] / f"{track['artistFilename']}.{image['ext']}", self.settings['overwriteFile'])
|
|
|
|
# Create searched logfile
|
|
if self.settings['logSearched'] and 'searched' in track:
|
|
filename = f"{track.data.artist} - {track.data.title}"
|
|
with open(self.extrasPath / 'searched.txt', 'wb+') as f:
|
|
searchedFile = f.read().decode('utf-8')
|
|
if not filename in searchedFile:
|
|
if searchedFile != "": searchedFile += "\r\n"
|
|
searchedFile += filename + "\r\n"
|
|
f.write(searchedFile.encode('utf-8'))
|
|
|
|
# Execute command after download
|
|
if self.settings['executeCommand'] != "":
|
|
execute(self.settings['executeCommand'].replace("%folder%", quote(str(self.extrasPath))).replace("%filename%", quote(track['filename'])), shell=True)
|
|
|
|
def afterDownloadCollection(self, tracks):
|
|
if not self.extrasPath: self.extrasPath = Path(self.settings['downloadLocation'])
|
|
playlist = [None] * len(tracks)
|
|
errors = ""
|
|
searched = ""
|
|
|
|
for i, track in enumerate(tracks):
|
|
track = track.result()
|
|
if not track: return # Check if item is cancelled
|
|
|
|
# Log errors to file
|
|
if track.get('error'):
|
|
if not track['error'].get('data'): track['error']['data'] = {'id': "0", 'title': 'Unknown', 'artist': 'Unknown'}
|
|
errors += f"{track['error']['data']['id']} | {track['error']['data']['artist']} - {track['error']['data']['title']} | {track['error']['message']}\r\n"
|
|
|
|
# Log searched to file
|
|
if 'searched' in track: searched += track['searched'] + "\r\n"
|
|
|
|
# Save Album Cover
|
|
if self.settings['saveArtwork'] and 'albumPath' in track:
|
|
for image in track['albumURLs']:
|
|
downloadImage(image['url'], track['albumPath'] / f"{track['albumFilename']}.{image['ext']}", self.settings['overwriteFile'])
|
|
|
|
# Save Artist Artwork
|
|
if self.settings['saveArtworkArtist'] and 'artistPath' in track:
|
|
for image in track['artistURLs']:
|
|
downloadImage(image['url'], track['artistPath'] / f"{track['artistFilename']}.{image['ext']}", self.settings['overwriteFile'])
|
|
|
|
# Save filename for playlist file
|
|
playlist[i] = track.get('filename', "")
|
|
|
|
# Create errors logfile
|
|
if self.settings['logErrors'] and errors != "":
|
|
with open(self.extrasPath / 'errors.txt', 'wb') as f:
|
|
f.write(errors.encode('utf-8'))
|
|
|
|
# Create searched logfile
|
|
if self.settings['logSearched'] and searched != "":
|
|
with open(self.extrasPath / 'searched.txt', 'wb') as f:
|
|
f.write(searched.encode('utf-8'))
|
|
|
|
# Save Playlist Artwork
|
|
if self.settings['saveArtwork'] and self.playlistCoverName and not self.settings['tags']['savePlaylistAsCompilation']:
|
|
for image in self.playlistURLs:
|
|
downloadImage(image['url'], self.extrasPath / f"{self.playlistCoverName}.{image['ext']}", self.settings['overwriteFile'])
|
|
|
|
# Create M3U8 File
|
|
if self.settings['createM3U8File']:
|
|
filename = generateDownloadObjectName(self.settings['playlistFilenameTemplate'], self.downloadObject, self.settings) or "playlist"
|
|
with open(self.extrasPath / f'{filename}.m3u8', 'wb') as f:
|
|
for line in playlist:
|
|
f.write((line + "\n").encode('utf-8'))
|
|
|
|
# Execute command after download
|
|
if self.settings['executeCommand'] != "":
|
|
execute(self.settings['executeCommand'].replace("%folder%", quote(str(self.extrasPath))), shell=True)
|
|
|
|
class DownloadError(Exception):
|
|
"""Base class for exceptions in this module."""
|
|
|
|
errorMessages = {
|
|
'notOnDeezer': "Track not available on Deezer!",
|
|
'notEncoded': "Track not yet encoded!",
|
|
'notEncodedNoAlternative': "Track not yet encoded and no alternative found!",
|
|
'wrongBitrate': "Track not found at desired bitrate.",
|
|
'wrongBitrateNoAlternative': "Track not found at desired bitrate and no alternative found!",
|
|
'no360RA': "Track is not available in Reality Audio 360.",
|
|
'notAvailable': "Track not available on deezer's servers!",
|
|
'notAvailableNoAlternative': "Track not available on deezer's servers and no alternative found!",
|
|
'noSpaceLeft': "No space left on target drive, clean up some space for the tracks",
|
|
'albumDoesntExists': "Track's album does not exsist, failed to gather info"
|
|
}
|
|
|
|
class DownloadFailed(DownloadError):
|
|
def __init__(self, errid, track=None):
|
|
super().__init__()
|
|
self.errid = errid
|
|
self.message = errorMessages[self.errid]
|
|
self.track = track
|
|
|
|
class PreferredBitrateNotFound(DownloadError):
|
|
pass
|
|
|
|
class TrackNot360(DownloadError):
|
|
pass
|