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get_data.py
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get_data.py
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import os
import spotipy
from spotipy.oauth2 import SpotifyOAuth
import sqlite3
import json
class GetData:
def __init__(self):
self.adj_dict = {}
self.coldplay_uri = 'spotify:artist:4gzpq5DPGxSnKTe4SA8HAU'
self.scope = "user-library-read"
self.client = os.environ.get('SPOTIPY_CLIENT_ID')
self.secret = os.environ.get('SPOTIPY_CLIENT_SECRET')
self.spotify = spotipy.Spotify(auth_manager=SpotifyOAuth(scope=self.scope, client_id=self.client,
client_secret=self.secret))
self.artists = []
self.artist_names = []
self.path = []
self.songs = []
self.conn = sqlite3.connect('adj_list.db')
self.c = self.conn.cursor()
def get_coldplay_relations(self):
self.c.execute("""CREATE TABLE IF NOT EXISTS adj_list (
artist text,
related blob
)""")
results = self.spotify.artist_albums(self.coldplay_uri, album_type='album,single')
print("Accessed API")
albums = results['items']
while results['next']:
results = self.spotify.next(results)
albums.extend(results['items'])
tracks = []
for album in albums:
results = self.spotify.album_tracks(album['external_urls']['spotify'])
album_tracks = results['items']
tracks.extend(album_tracks)
while results['next']:
results = self.spotify.next(results)
tracks.extend(results['items'])
for track in tracks:
if len(track['artists']) > 1:
self.artists.extend(track['artists'])
if '(feat.' in track['name']:
name = track['name']
words = name.split('(feat.')
name = ' '.join(words[2:])[:-1]
if name not in self.artist_names:
self.artist_names.append(name)
elif '(with' in track['name']:
name = track['name']
words = name.split('(with')
name = ' '.join(words[2:])[:-1]
if name not in self.artist_names:
self.artist_names.append(name)
for artist in self.artists:
if artist['name'] not in self.artist_names and artist['name'] != 'Coldplay':
self.artist_names.append(artist['name'])
blob = json.dumps(self.artist_names)
self.c.execute("SELECT * FROM adj_list WHERE artist=?", ('Coldplay',))
data = self.c.fetchone()
if not data:
self.c.execute("INSERT INTO adj_list VALUES ('Coldplay', ?)", [blob])
self.conn.commit()
def add_layer(self):
print("Adding layer")
for artist in self.artist_names:
try:
result = self.spotify.search(artist, type='artist')
current_artist = result['artists']['items'][0]
except spotipy.exceptions.SpotifyException:
continue
followers = current_artist['followers']['total']
if followers is not None and followers > 15000:
artist_uri = current_artist['uri']
results = self.spotify.artist_albums(artist_uri, album_type='album,single')
albums = results['items']
while results['next']:
results = self.spotify.next(results)
albums.extend(results['items'])
tracks = []
for album in albums:
results = self.spotify.album_tracks(album['external_urls']['spotify'])
album_tracks = results['items']
tracks.extend(album_tracks)
while results['next']:
results = self.spotify.next(results)
tracks.extend(results['items'])
self.artists = []
self.artist_names = []
for track in tracks:
if len(track['artists']) > 1:
self.artists.extend(track['artists'])
if 'feat' in track['name'] or '(with' in track['name']:
name = track['name']
words = name.split()
name = ' '.join(words[2:])[:-1]
for a in self.artists:
if a['name'] not in self.artist_names and a['name'] != artist:
current_artist = self.spotify.artist(a['uri'])
followers = current_artist['followers']['total']
if followers is not None and followers > 15000:
self.artist_names.append(a['name'])
# self.adj_dict.update({artist: self.artist_names})
blob = json.dumps(self.artist_names)
self.c.execute("SELECT * FROM adj_list WHERE artist=?", (artist,))
data = self.c.fetchone()
if not data:
self.c.execute("INSERT INTO adj_list VALUES (?, ?)", [artist, blob])
self.conn.commit()
print("added")
def bfs(self):
edge_to = {}
dist = {}
marked = {}
queue = []
print("Initializing breadth-first-search")
self.c.execute("SELECT artist from adj_list")
artists = self.c.fetchall()
for node in artists:
edge_to[node[0]] = None
marked[node[0]] = False
dist[node[0]] = -1
self.c.execute("SELECT * FROM adj_list WHERE artist=?", (node))
children = json.loads(self.c.fetchone()[1])
for child in children:
edge_to[child] = None
marked[child] = False
dist[child] = -1
queue.append('Coldplay')
marked['Coldplay'] = True
print("Beginning BFS")
while queue:
v = queue.pop(0)
self.c.execute("SELECT artist from adj_list")
artists = self.c.fetchall()
artists = [item for item in artists if item[0] == v]
if artists:
self.c.execute("SELECT * FROM adj_list WHERE artist=?", (v,))
children = json.loads(self.c.fetchone()[1])
for vert in children:
if marked[vert]:
continue
else:
queue.append(vert)
edge_to[vert] = v
marked[vert] = True
dist[vert] = dist[v] + 1
v = 'Lil Mosey'
chosen_artist = v
if v in marked.keys() and marked[v] is True:
self.path.append(v)
print("Creating path")
while edge_to[v]:
self.path.append(edge_to[v])
v = edge_to[v]
else:
print("No path")
if self.path:
print(f"Coldplay is connected to {chosen_artist}!")
self.path.reverse()
for i in range(len(self.path) - 1):
result = self.spotify.search(self.path[i] + " " + self.path[i + 1], type='track')
for j in range(5):
song = result['tracks']['items'][j]['name']
self.songs.append(song)
break
print(self.path)
print(self.songs)