deemix-py/deemix/itemgen.py
2021-12-23 19:02:33 +01:00

278 lines
11 KiB
Python

import logging
from deezer.errors import GWAPIError, APIError
from deezer.utils import map_user_playlist, map_track, map_album
from deemix.types.DownloadObjects import Single, Collection
from deemix.errors import GenerationError, ISRCnotOnDeezer, InvalidID, NotYourPrivatePlaylist
logger = logging.getLogger('deemix')
def generateTrackItem(dz, link_id, bitrate, trackAPI=None, albumAPI=None):
# Get essential track info
if not trackAPI:
if str(link_id).startswith("isrc") or int(link_id) > 0:
try:
trackAPI = dz.api.get_track(link_id)
except APIError as e:
raise GenerationError(f"https://deezer.com/track/{link_id}", str(e)) from e
# Check if is an isrc: url
if str(link_id).startswith("isrc"):
if 'id' in trackAPI and 'title' in trackAPI:
link_id = trackAPI['id']
else:
raise ISRCnotOnDeezer(f"https://deezer.com/track/{link_id}")
else:
trackAPI_gw = dz.gw.get_track(link_id)
trackAPI = map_track(trackAPI_gw)
else:
link_id = trackAPI['id']
if not str(link_id).strip('-').isdecimal(): raise InvalidID(f"https://deezer.com/track/{link_id}")
cover = None
if trackAPI['album']['cover_small']:
cover = trackAPI['album']['cover_small'][:-24] + '/75x75-000000-80-0-0.jpg'
else:
cover = f"https://e-cdns-images.dzcdn.net/images/cover/{trackAPI['md5_image']}/75x75-000000-80-0-0.jpg"
del trackAPI['track_token']
return Single({
'type': 'track',
'id': link_id,
'bitrate': bitrate,
'title': trackAPI['title'],
'artist': trackAPI['artist']['name'],
'cover': cover,
'explicit': trackAPI.explicit_lyrics,
'single': {
'trackAPI': trackAPI,
'albumAPI': albumAPI
}
})
def generateAlbumItem(dz, link_id, bitrate, rootArtist=None):
# Get essential album info
if str(link_id).startswith('upc'):
upcs = [link_id[4:],]
upcs.append(int(upcs[0]))
lastError = None
for upc in upcs:
try:
albumAPI = dz.api.get_album(f"upc:{upc}")
except APIError as e:
lastError = e
albumAPI = None
if not albumAPI:
raise GenerationError(f"https://deezer.com/album/{link_id}", str(lastError)) from lastError
link_id = albumAPI['id']
else:
try:
albumAPI_gw_page = dz.gw.get_album_page(link_id)
if 'DATA' in albumAPI_gw_page:
albumAPI = map_album(albumAPI_gw_page['DATA'])
link_id = albumAPI_gw_page['DATA']['ALB_ID']
albumAPI_new = dz.api.get_album(link_id)
albumAPI.update(albumAPI_new)
else:
raise GenerationError(f"https://deezer.com/album/{link_id}", "Can't find the album")
except APIError as e:
raise GenerationError(f"https://deezer.com/album/{link_id}", str(e)) from e
if not str(link_id).isdecimal(): raise InvalidID(f"https://deezer.com/album/{link_id}")
# Get extra info about album
# This saves extra api calls when downloading
albumAPI_gw = dz.gw.get_album(link_id)
albumAPI_gw = map_album(albumAPI_gw)
albumAPI_gw.update(albumAPI)
albumAPI = albumAPI_gw
albumAPI['root_artist'] = rootArtist
# If the album is a single download as a track
if albumAPI['nb_tracks'] == 1:
if len(albumAPI['tracks']['data']):
return generateTrackItem(dz, albumAPI['tracks']['data'][0]['id'], bitrate, albumAPI=albumAPI)
raise GenerationError(f"https://deezer.com/album/{link_id}", "Single has no tracks.")
tracksArray = dz.gw.get_album_tracks(link_id)
if albumAPI['cover_small'] is not None:
cover = albumAPI['cover_small'][:-24] + '/75x75-000000-80-0-0.jpg'
else:
cover = f"https://e-cdns-images.dzcdn.net/images/cover/{albumAPI['md5_image']}/75x75-000000-80-0-0.jpg"
totalSize = len(tracksArray)
albumAPI['nb_tracks'] = totalSize
collection = []
for pos, trackAPI in enumerate(tracksArray, start=1):
trackAPI = map_track(trackAPI)
del trackAPI['track_token']
trackAPI['position'] = pos
collection.append(trackAPI)
return Collection({
'type': 'album',
'id': link_id,
'bitrate': bitrate,
'title': albumAPI['title'],
'artist': albumAPI['artist']['name'],
'cover': cover,
'explicit': albumAPI['explicit_lyrics'],
'size': totalSize,
'collection': {
'tracks': collection,
'albumAPI': albumAPI
}
})
def generatePlaylistItem(dz, link_id, bitrate, playlistAPI=None, playlistTracksAPI=None):
if not playlistAPI:
if not str(link_id).isdecimal(): raise InvalidID(f"https://deezer.com/playlist/{link_id}")
# Get essential playlist info
try:
playlistAPI = dz.api.get_playlist(link_id)
except APIError:
playlistAPI = None
# Fallback to gw api if the playlist is private
if not playlistAPI:
try:
userPlaylist = dz.gw.get_playlist_page(link_id)
playlistAPI = map_user_playlist(userPlaylist['DATA'])
except GWAPIError as e:
raise GenerationError(f"https://deezer.com/playlist/{link_id}", str(e)) from e
# Check if private playlist and owner
if not playlistAPI.get('public', False) and playlistAPI['creator']['id'] != str(dz.current_user['id']):
logger.warning("You can't download others private playlists.")
raise NotYourPrivatePlaylist(f"https://deezer.com/playlist/{link_id}")
if not playlistTracksAPI:
playlistTracksAPI = dz.gw.get_playlist_tracks(link_id)
playlistAPI['various_artist'] = dz.api.get_artist(5080) # Useful for save as compilation
totalSize = len(playlistTracksAPI)
playlistAPI['nb_tracks'] = totalSize
collection = []
for pos, trackAPI in enumerate(playlistTracksAPI, start=1):
trackAPI = map_track(trackAPI)
if trackAPI['explicit_lyrics']:
playlistAPI['explicit'] = True
del trackAPI['track_token']
trackAPI['position'] = pos
collection.append(trackAPI)
if 'explicit' not in playlistAPI: playlistAPI['explicit'] = False
return Collection({
'type': 'playlist',
'id': link_id,
'bitrate': bitrate,
'title': playlistAPI['title'],
'artist': playlistAPI['creator']['name'],
'cover': playlistAPI['picture_small'][:-24] + '/75x75-000000-80-0-0.jpg',
'explicit': playlistAPI['explicit'],
'size': totalSize,
'collection': {
'tracks': collection,
'playlistAPI': playlistAPI
}
})
def generateArtistItem(dz, link_id, bitrate, listener=None):
if not str(link_id).isdecimal(): raise InvalidID(f"https://deezer.com/artist/{link_id}")
# Get essential artist info
try:
artistAPI = dz.api.get_artist(link_id)
except APIError as e:
raise GenerationError(f"https://deezer.com/artist/{link_id}", str(e)) from e
rootArtist = {
'id': artistAPI['id'],
'name': artistAPI['name'],
'picture_small': artistAPI['picture_small']
}
if listener: listener.send("startAddingArtist", rootArtist)
artistDiscographyAPI = dz.gw.get_artist_discography_tabs(link_id, 100)
allReleases = artistDiscographyAPI.pop('all', [])
albumList = []
for album in allReleases:
try:
albumList.append(generateAlbumItem(dz, album['id'], bitrate, rootArtist=rootArtist))
except GenerationError as e:
logger.warning("Album %s has no data: %s", str(album['id']), str(e))
if listener: listener.send("finishAddingArtist", rootArtist)
return albumList
def generateArtistDiscographyItem(dz, link_id, bitrate, listener=None):
if not str(link_id).isdecimal(): raise InvalidID(f"https://deezer.com/artist/{link_id}/discography")
# Get essential artist info
try:
artistAPI = dz.api.get_artist(link_id)
except APIError as e:
raise GenerationError(f"https://deezer.com/artist/{link_id}/discography", str(e)) from e
rootArtist = {
'id': artistAPI['id'],
'name': artistAPI['name'],
'picture_small': artistAPI['picture_small']
}
if listener: listener.send("startAddingArtist", rootArtist)
artistDiscographyAPI = dz.gw.get_artist_discography_tabs(link_id, 100)
artistDiscographyAPI.pop('all', None) # all contains albums and singles, so its all duplicates. This removes them
albumList = []
for releaseType in artistDiscographyAPI:
for album in artistDiscographyAPI[releaseType]:
try:
albumList.append(generateAlbumItem(dz, album['id'], bitrate, rootArtist=rootArtist))
except GenerationError as e:
logger.warning("Album %s has no data: %s", str(album['id']), str(e))
if listener: listener.send("finishAddingArtist", rootArtist)
return albumList
def generateArtistTopItem(dz, link_id, bitrate):
if not str(link_id).isdecimal(): raise InvalidID(f"https://deezer.com/artist/{link_id}/top_track")
# Get essential artist info
try:
artistAPI = dz.api.get_artist(link_id)
except APIError as e:
raise GenerationError(f"https://deezer.com/artist/{link_id}/top_track", str(e)) from e
# Emulate the creation of a playlist
# Can't use generatePlaylistItem directly as this is not a real playlist
playlistAPI = {
'id':f"{artistAPI['id']}_top_track",
'title': f"{artistAPI['name']} - Top Tracks",
'description': f"Top Tracks for {artistAPI['name']}",
'duration': 0,
'public': True,
'is_loved_track': False,
'collaborative': False,
'nb_tracks': 0,
'fans': artistAPI['nb_fan'],
'link': f"https://www.deezer.com/artist/{artistAPI['id']}/top_track",
'share': None,
'picture': artistAPI['picture'],
'picture_small': artistAPI['picture_small'],
'picture_medium': artistAPI['picture_medium'],
'picture_big': artistAPI['picture_big'],
'picture_xl': artistAPI['picture_xl'],
'checksum': None,
'tracklist': f"https://api.deezer.com/artist/{artistAPI['id']}/top",
'creation_date': "XXXX-00-00",
'creator': {
'id': f"art_{artistAPI['id']}",
'name': artistAPI['name'],
'type': "user"
},
'type': "playlist"
}
artistTopTracksAPI_gw = dz.gw.get_artist_toptracks(link_id)
return generatePlaylistItem(dz, playlistAPI['id'], bitrate, playlistAPI=playlistAPI, playlistTracksAPI=artistTopTracksAPI_gw)