使用Spotipy库调用currently_playing接口失败问题求助

Hey Jordan, I see exactly what's going wrong here—let's get your current track retrieval up and running in no time!

The Core Problem #

You're using the Client Credentials Flow (SpotifyClientCredentials) to authenticate with Spotify. This flow only grants access to public Spotify data (like artist info or public playlists), but it can't access user-specific private data like the currently playing track. The user-read-currently-playing scope requires the Authorization Code Flow, which links your app to a specific user account via their login.

Step-by-Step Fix #

Here's how to adjust your code to use the correct authentication flow:

• Get a user-authorized token
  Use spotipy.util.prompt_for_user_token to trigger the user login flow. This will open a browser window for the user to grant your app permission to access their currently playing track.
• Initialize Spotipy with the user token
  Replace the SpotifyClientCredentials setup with the token you just retrieved.
• Fetch the currently playing track
  Use sp.current_user_playing_track() instead of relying on the incorrect client setup.

Corrected Code #

import json
import spotipy
import spotipy.util as util

# Replace these with your actual credentials
cid = "xxx"
csecret = "xxx"
redirectURI = "xxx"
username = "xxx"
scope = 'user-read-currently-playing'

# Get user-authorized token
token = util.prompt_for_user_token(
    username=username,
    scope=scope,
    client_id=cid,
    client_secret=csecret,
    redirect_uri=redirectURI
)

if token:
    # Initialize Spotipy with the user token
    sp = spotipy.Spotify(auth=token)
    # Fetch currently playing track
    current_track = sp.current_user_playing_track()
    
    if current_track:
        # Print track details
        track_name = current_track['item']['name']
        artist_name = current_track['item']['artists'][0]['name']
        print(f"Currently playing: {track_name} by {artist_name}")
    else:
        print("No track is currently playing.")
else:
    print("Could not retrieve token for user.")

Important Notes #

• Double-check that your redirect URI in the code matches exactly what's set in your Spotify Developer Dashboard (under your app's settings). Mismatched URIs will cause authorization failures.
• Make sure you're using the latest version of Spotipy: run pip install --upgrade spotipy to update.
• Handle edge cases: current_user_playing_track() returns None if the user isn't playing anything, so always add a check for that.

内容的提问来源于stack exchange，提问作者Jordan