def acquire_track_model(self):
# determine if fingerprint present, if not generate
if not self.fingerprint:
self.query_fingerprint()
# use fingerprint to query model
self.model = session.query(SavedTrack).get(self.fingerprint)
# if 0 results, create model
if not self.model:
LOGGER.info('Track not found in database; creating...')
self.model = SavedTrack()
def run():
# TODO: break this into smaller functions
LOGGER.info('Running music downloader...')
tracks_to_download = get_tracks_to_download()
if not tracks_to_download:
LOGGER.info('No queued tracks found in database')
return
LOGGER.info('Found {} tracks from database to download...'.format(len(tracks_to_download)))
options = {
'format': 'bestaudio/best',
'postprocessors': [{
'key': 'FFmpegExtractAudio',
'preferredcodec': 'mp3',
'preferredquality': '192',
}],
'quiet': False}
for queued_track in tracks_to_download:
exists = session.query(SavedTrack).filter(SavedTrack.artist == queued_track.artist,
SavedTrack.title == queued_track.title).count() > 0
if exists:
LOGGER.info('Track already exists as Saved Track, deleting Queued track and skipping download.')
session.delete(queued_track)
session.commit()
continue
track_save_name = u'{} - {}'.format(queued_track.artist, queued_track.title)
final_track_path = TRACK_DIRECTORY + track_save_name + '.mp3'
holding_track_path = HOLD_DIRECTORY + track_save_name + '.mp3'
LOGGER.info('Downloading track: {}'.format(track_save_name))
options['outtmpl'] = u'{}/{}.%(ext)s'.format(HOLD_DIRECTORY, track_save_name)
ydl = youtube_dl.YoutubeDL(options)
download_link = build_download_link(queued_track.youtube_video_id)
# download the track
try:
ydl.download([download_link])
except youtube_dl.utils.DownloadError as e:
LOGGER.warning('youtube-dl encountered an error: {}' .format(e.message))
continue
saved_track = SavedTrack()
saved_track.update_from_dict(queued_track.as_dict())
saved_track.path = final_track_path
saved_track.md5 = calculate_md5(holding_track_path)
fingerprint_duration = fingerprint_file(holding_track_path, 30)
saved_track.fingerprint = fingerprint_duration[1]
saved_track.duration = fingerprint_duration[0]
session.merge(saved_track)
session.delete(queued_track)
session.commit()
os.rename(holding_track_path, final_track_path)
LOGGER.info('Complete. Downloaded track data committed to database.')
class Track(object):
def __init__(self, path):
self.data = {}
self.path = path
print self.path
self.easyID3 = EasyID3Patched(self.path)
self.fingerprint = self.easyID3.get('acoustid_fingerprint')
self.acquire_track_model()
self.generate_attributes()
def __repr__(self):
if all([self.artist, self.title]):
return '<' + self.artist + ' - ' + self.title + '>'
else:
return '<' + self.path + '>'
def __setattr__(self, key, value):
if key != 'data' and key in self.data.keys():
# self.easyID3.update_from_dict({key: value})
# self.model.from_dict({key: value})
self.data[key] = value
super(Track, self).__setattr__(key, value)
@property
def search_phrase(self):
return clean_search_term(self.album_artist + ' ' + self.title if all([self.album_artist, self.title]) else
self.path)
def generate_attributes(self):
for k, v in self.model.as_dict().iteritems():
self.__setattr__(k, v)
self.data[k] = v
for k, v in self.easyID3.model_dict.iteritems():
self.__setattr__(k, v)
self.data[k] = v
def acquire_track_model(self):
# determine if fingerprint present, if not generate
if not self.fingerprint:
self.query_fingerprint()
# use fingerprint to query model
self.model = session.query(SavedTrack).get(self.fingerprint)
# if 0 results, create model
if not self.model:
LOGGER.info('Track not found in database; creating...')
self.model = SavedTrack()
def query_fingerprint(self):
self.duration, self.fingerprint = acoustid.fingerprint_file(self.path, 30)
def enrich(self):
if not self.last_searched_acoustid or self.last_searched_acoustid < (
self.last_searched_acoustid - timedelta(days=7)):
LOGGER.info('Doing AcoustID lookup for track artist, title and album...')
acoustid_data = acoustid_lookup(self.fingerprint, self.duration)
self.data.update(acoustid_data)
self.last_searched_acoustid = datetime.now()
# TODO: submit to be analyzed if not found
if self.last_searched_echonest and self.last_searched_echonest > (
self.last_searched_echonest - timedelta(days=7)):
LOGGER.info('Track already enriched, skipping enrichment process.')
return self
LOGGER.info('Searching Echonest for track using: {}'.format(self.search_phrase))
top_score_result = search_echonest_for_song(self.search_phrase)
if top_score_result:
LOGGER.info('Song found on Echonest: {} - {}'.format(top_score_result.artist_name,
top_score_result.title))
audio_summary = top_score_result.get_audio_summary()
track_artist = top_score_result.artist_name.encode('utf-8')
track_title = top_score_result.title.encode('utf-8')
audio_summary['artist'] = track_artist
audio_summary['title'] = track_title
audio_summary = {k: v * 100 if v and v < 1 else v for k, v in
audio_summary.iteritems()} # SQLAlchemy converts
# values less than 1 to 0 before the validators can act.
self.data.update(audio_summary)
time.sleep(2)
else:
LOGGER.info('Track not found in Echonest')
if not self.genres and (self.album_artist or self.artist):
LOGGER.info('Searching Echonest for genres using artist {}'.format(self.album_artist or
self.artist))
top_term = search_echonest_artist_terms(self.album_artist or self.artist)
if top_term:
self.genres = top_term.title()
LOGGER.info('Genre found: {}'.format(top_term))
time.sleep(2)
self.last_searched_echonest = datetime.now()
self.meta_genre = self.match_meta_genre(self.genres)
def sync(self):
self.update_play_skip_rating_data()
self.rename_file_to_pattern(self.path)
self.model.update_from_dict(self.data)
self.easyID3.update_from_dict(self.data)
def save(self):
self.sync()
if self.easyID3.is_modified:
LOGGER.info('Saving file changes...')
self.easyID3.save()
if session.is_modified(self.model):
LOGGER.info('Committing model changes...')
session.merge(self.model)
session.commit()
def match_meta_genre(self, genre):
if not genre:
return
genre_mappings = [row.as_dict() for row in session.query(Genre).all()]
prioritized_meta_genres = ['indie', 'electronic']
cleaned_genre = clean_genre(genre)
for prioritized_meta_genre in prioritized_meta_genres:
for genre_mapping in [genre_mapping for genre_mapping in genre_mappings if genre_mapping['meta_genre'] ==
prioritized_meta_genre]:
if clean_genre(genre_mapping['genre']) in cleaned_genre:
return genre_mapping['meta_genre'].title()
for genre_mapping in [genre_mapping for genre_mapping in genre_mappings if genre_mapping['meta_genre'] not in
prioritized_meta_genres]:
if clean_genre(genre_mapping['genre']) in cleaned_genre:
return genre_mapping['meta_genre'].title()
# TODO: create function to handle deleted tracks
def get_itunes_track_data(self, track_path, itunes_keys):
# TODO: iTunes uses HTML encoding for some things (ampersands) and URL encoding for the rest
with open('/Users/carmstrong/Music/iTunes/iTunes Music Library.xml', 'rb') as itunes_xml:
tree = etree.parse(itunes_xml)
itunes_track_path = 'file://' + urllib.quote(track_path.encode('utf-8'), safe="/(),'")
location_node = tree.xpath('//string[text()="{}"]'.format(itunes_track_path))
if not location_node:
LOGGER.info('{} not found in iTunes XML file.'.format(itunes_track_path))
return
results = {}
for itunes_key in itunes_keys:
try:
itunes_value = location_node[0].xpath("../key[text()='{}']".format(itunes_key))[0].getnext().text
try:
itunes_value = int(itunes_value)
except (ValueError, TypeError):
continue
results.update({itunes_key: itunes_value})
except IndexError:
continue
return results
def update_play_skip_rating_data(self):
itunes_mapping = {'Play Count': 'play_count',
'Skip Count': 'skip_count',
'Loved': 'loved'}
itunes_results = self.get_itunes_track_data(self.path, itunes_mapping.keys())
if itunes_results:
for itunes_key, itunes_value in itunes_results.iteritems():
self.__setattr__(itunes_mapping[itunes_key], itunes_value)
def rename_file_to_pattern(self, file_path, directory_pattern='{album_artist}/{album}/', file_pattern='{artist} - {'
'title}'):
# TODO: account for when track data contains slashes in it (prob need to use os.join or whatever)
current_filename = os.path.basename(file_path)
file_extension = os.path.splitext(file_path)[1]
mp3 = EasyID3Patched(file_path)
artist = mp3.get('artist')[0] if 'artist' in mp3.keys() else ''
album_artist = mp3.get('albumartist')[0] if 'albumartist' in mp3.keys() else ''
title = mp3.get('title')[0] if 'title' in mp3.keys() else ''
album = mp3.get('album')[0] if 'album' in mp3.keys() else ''
# use artist/album_artist if the other is blank
artist = artist or album_artist
album_artist = album_artist or artist
if all([artist, title]):
new_filename = str(file_pattern + file_extension).format(artist=artist.strip(),
title=title.strip())
new_directory = str(TRACK_DIRECTORY + directory_pattern).format(artist=artist.strip(),
album_artist=album_artist.strip(),
title=title.strip(),
album=album.strip())
new_path = new_directory + new_filename
self.path = re.sub(r'/{2,}', '/', new_path)
else:
self.path = TRACK_DIRECTORY + current_filename
