def get_minibatches(stopval, count=0, interval=20):
while count < stopval:
to_analyze: List[Track] = Track.get_songs_in_playlists(
interval, count)
X = [a.get_song_features(as_list=True) for a in to_analyze]
y = [[playlists[x.uri] for x in Track.get_playlists(a.spotify_id)]
for a in to_analyze]
print(count, interval)
yield np.array(list(
map(lambda x: list(map(abs, x)),
X))), MultiLabelBinarizer().fit_transform(y)
count += len(to_analyze)
def hello_world():
start = time()
spotify_data = Spotify.get_currently_playing()
playlists = Track.get_playlists(spotify_data['item']['id'])
print('Currently analyzing:', spotify_data['item']['name'])
playlist_id = spotify_data['context']['uri'].split(':')[-1]
playlist_tracks = Playlist.get_tracks(playlist_id)
print('Fetched tracks in playlist')
print('Time taken:', time() - start)
arrs = [json.loads(a.zVector)['zVector'] for a in playlist_tracks]
arrs = np.array(arrs)
print('Arrs shape:', arrs.shape)
track = Track.find(uri=spotify_data['item']['uri'])[0]
ll = []
for i in arrs:
ll.append(create_cosine_similarity(track.zVector['zVector'], i))
tracks = list(sorted(zip(playlist_tracks, ll), key=lambda x: x[1]))
tracks = tracks[:5] + tracks[-6:-1]
track_images = Spotify.get_images(*[a[0].uri for a in tracks])
print('Most similar')
for a in tracks[:5]:
print(a[0].name)
print('Time taken to get similar:', time() - start)
similar_playlists = Track.get_similar_playlists(spotify_data['item']['id'],
spotify_data['context']['uri'].split(':')[-1])
similar_playlists = set(similar_playlists)
associated_artists = Artist.get_associated_artists(spotify_data['item']['artists'][0]['id'])
if len(associated_artists):
artist_data = Spotify.get_artists([artist.uri for artist in associated_artists])
for i in range(len(artist_data)):
if len(artist_data[i]['images']) == 0:
artist_data[i]['images'] = [{'url': '/static/stock_anon.png'}]
else:
artist_data = []
print('Total time', time()-start)
return render_template('home.html', similar_tracks=list(zip(tracks, track_images)), spotify_data=spotify_data, playlists=playlists,
similar_playlists=similar_playlists, artist_data=artist_data)