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https://github.com/KevinMidboe/spotify-downloader.git
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Changes for v1.0.0 release (#345)
* Move spotdl.py inside spotdl directory * Fix Dockerfile * Re-upload FFmpeg binary * Small fixes ;)
This commit is contained in:
Ritiek Malhotra
GitHub
159
spotdl/metadata.py
Executable file
159
spotdl/metadata.py
Executable file
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from mutagen.easyid3 import EasyID3
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from mutagen.id3 import ID3, TORY, TYER, TPUB, APIC, USLT, COMM
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from mutagen.mp4 import MP4, MP4Cover
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from mutagen.flac import Picture, FLAC
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from spotdl.const import log, TAG_PRESET, M4A_TAG_PRESET
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import urllib.request
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def compare(music_file, metadata):
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"""Check if the input music file title matches the expected title."""
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already_tagged = False
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try:
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if music_file.endswith('.mp3'):
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audiofile = EasyID3(music_file)
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already_tagged = audiofile['title'][0] == metadata['name']
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elif music_file.endswith('.m4a'):
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audiofile = MP4(music_file)
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already_tagged = audiofile['\xa9nam'][0] == metadata['name']
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except (KeyError, TypeError):
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pass
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return already_tagged
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def embed(music_file, meta_tags):
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""" Embed metadata. """
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embed = EmbedMetadata(music_file, meta_tags)
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if music_file.endswith('.m4a'):
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log.info('Applying metadata')
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return embed.as_m4a()
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elif music_file.endswith('.mp3'):
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log.info('Applying metadata')
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return embed.as_mp3()
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elif music_file.endswith('.flac'):
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log.info('Applying metadata')
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return embed.as_flac()
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else:
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log.warning('Cannot embed metadata into given output extension')
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return False
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class EmbedMetadata:
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def __init__(self, music_file, meta_tags):
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self.music_file = music_file
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self.meta_tags = meta_tags
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def as_mp3(self):
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""" Embed metadata to MP3 files. """
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music_file = self.music_file
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meta_tags = self.meta_tags
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# EasyID3 is fun to use ;)
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# For supported easyid3 tags:
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# https://github.com/quodlibet/mutagen/blob/master/mutagen/easyid3.py
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# Check out somewhere at end of above linked file
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audiofile = EasyID3(music_file)
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self._embed_basic_metadata(audiofile, preset=TAG_PRESET)
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audiofile['media'] = meta_tags['type']
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audiofile['author'] = meta_tags['artists'][0]['name']
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audiofile['lyricist'] = meta_tags['artists'][0]['name']
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audiofile['arranger'] = meta_tags['artists'][0]['name']
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audiofile['performer'] = meta_tags['artists'][0]['name']
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audiofile['website'] = meta_tags['external_urls']['spotify']
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audiofile['length'] = str(meta_tags['duration'])
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if meta_tags['publisher']:
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audiofile['encodedby'] = meta_tags['publisher']
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if meta_tags['external_ids']['isrc']:
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audiofile['isrc'] = meta_tags['external_ids']['isrc']
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audiofile.save(v2_version=3)
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# For supported id3 tags:
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# https://github.com/quodlibet/mutagen/blob/master/mutagen/id3/_frames.py
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# Each class represents an id3 tag
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audiofile = ID3(music_file)
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audiofile['TORY'] = TORY(encoding=3, text=meta_tags['year'])
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audiofile['TYER'] = TYER(encoding=3, text=meta_tags['year'])
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audiofile['TPUB'] = TPUB(encoding=3, text=meta_tags['publisher'])
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audiofile['COMM'] = COMM(encoding=3, text=meta_tags['external_urls']['spotify'])
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if meta_tags['lyrics']:
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audiofile['USLT'] = USLT(encoding=3, desc=u'Lyrics', text=meta_tags['lyrics'])
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try:
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albumart = urllib.request.urlopen(meta_tags['album']['images'][0]['url'])
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audiofile['APIC'] = APIC(encoding=3, mime='image/jpeg', type=3,
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desc=u'Cover', data=albumart.read())
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albumart.close()
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except IndexError:
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pass
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audiofile.save(v2_version=3)
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return True
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def as_m4a(self):
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""" Embed metadata to M4A files. """
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music_file = self.music_file
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meta_tags = self.meta_tags
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audiofile = MP4(music_file)
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self._embed_basic_metadata(audiofile, preset=M4A_TAG_PRESET)
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audiofile[M4A_TAG_PRESET['year']] = meta_tags['year']
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if meta_tags['lyrics']:
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audiofile['lyrics'] = meta_tags['lyrics']
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try:
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albumart = urllib.request.urlopen(meta_tags['album']['images'][0]['url'])
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audiofile[M4A_TAG_PRESET['albumart']] = [MP4Cover(
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albumart.read(), imageformat=MP4Cover.FORMAT_JPEG)]
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albumart.close()
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except IndexError:
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pass
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audiofile.save()
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return True
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def as_flac(self):
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music_file = self.music_file
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meta_tags = self.meta_tags
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audiofile = FLAC(music_file)
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self._embed_basic_metadata(audiofile)
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audiofile['year'] = meta_tags['year']
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audiofile['comment'] = meta_tags['external_urls']['spotify']
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if meta_tags['lyrics']:
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audiofile['lyrics'] = meta_tags['lyrics']
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image = Picture()
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image.type = 3
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image.desc = 'Cover'
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image.mime = 'image/jpeg'
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albumart = urllib.request.urlopen(meta_tags['album']['images'][0]['url'])
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image.data = albumart.read()
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albumart.close()
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audiofile.add_picture(image)
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audiofile.save()
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return True
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def _embed_basic_metadata(self, audiofile, preset=TAG_PRESET):
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meta_tags = self.meta_tags
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audiofile[preset['artist']] = meta_tags['artists'][0]['name']
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audiofile[preset['albumartist']] = meta_tags['artists'][0]['name']
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audiofile[preset['album']] = meta_tags['album']['name']
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audiofile[preset['title']] = meta_tags['name']
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audiofile[preset['date']] = meta_tags['release_date']
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audiofile[preset['originaldate']] = meta_tags['release_date']
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if meta_tags['genre']:
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audiofile[preset['genre']] = meta_tags['genre']
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if meta_tags['copyright']:
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audiofile[preset['copyright']] = meta_tags['copyright']
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if self.music_file.endswith('.flac'):
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audiofile[preset['discnumber']] = str(meta_tags['disc_number'])
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else:
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audiofile[preset['discnumber']] = [(meta_tags['disc_number'], 0)]
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if self.music_file.endswith('.flac'):
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audiofile[preset['tracknumber']] = str(meta_tags['track_number'])
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else:
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if preset['tracknumber'] == TAG_PRESET['tracknumber']:
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audiofile[preset['tracknumber']] = '{}/{}'.format(meta_tags['track_number'],
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meta_tags['total_tracks'])
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else:
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audiofile[preset['tracknumber']] = [
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(meta_tags['track_number'], meta_tags['total_tracks'])
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]
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