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A simple script to fetch spotify song audio features and use a regression forest to predict it's year
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#!/usr/bin/env python3 | |
import enum | |
import spotipy | |
import os | |
import numpy as np | |
from typing import List | |
from regtree.tree import RandomForest | |
from spotipy.oauth2 import SpotifyClientCredentials | |
def login(): | |
sp = spotipy.Spotify( | |
auth_manager=SpotifyClientCredentials( | |
client_id=os.environ.get("SPOTIFY_CLIENT_ID"), | |
client_secret=os.environ.get("SPOTIFY_CLIENT_SECRET"), | |
) | |
) | |
return sp | |
def search(sp, song_title) -> List: | |
results = sp.search(q=song_title, type="track", limit=10) | |
return results["tracks"]["items"] | |
def select_track(results): | |
for i, track in enumerate(results): | |
print(f"{i + 1} - {track['name']} - {track['artists'][0]['name']}") | |
selected = int(input("Select track number: ")) - 1 | |
return results[selected] | |
# load forest from json file | |
def main(): | |
sp = login() | |
song_title = input("Song title: ") | |
results = search(sp, song_title) | |
if len(results) <= 0: | |
print("No songs found") | |
exit(1) | |
track = select_track(results) | |
features = sp.audio_features(track["uri"])[0] | |
attributes = np.array( | |
[ | |
0, | |
features["duration_ms"], | |
features["danceability"], | |
features["energy"], | |
features["key"], | |
features["loudness"], | |
features["mode"], | |
features["speechiness"], | |
features["acousticness"], | |
features["instrumentalness"], | |
features["liveness"], | |
features["valence"], | |
features["tempo"], | |
features["time_signature"] | |
] | |
) | |
print(f"Real year: {track['album']['release_date'][:4]}") | |
print("Predictions\n=================") | |
# load all forests from all json files from the data directory and run the prediction on all of them | |
# and display the results | |
for file in os.listdir("data"): | |
if file.endswith(".json"): | |
path = os.path.join("data", file) | |
with open(path, "r") as f: | |
forest = RandomForest.from_json(f.read()) | |
print(f"Forest {os.path.splitext(file)[0]}: {round(forest.predict_median(attributes))}") | |
if __name__ == "__main__": | |
main() |
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