Spotify playlist trimmer script

import spotipy
from spotipy.oauth2 import SpotifyOAuth

# Authentication - Replace with your Spotify Developer credentials
sp = spotipy.Spotify(auth_manager=SpotifyOAuth(
    client_id='insert your client id here',
    client_secret='insert your secret here',
    redirect_uri='http://localhost:8888/callback',
    scope='playlist-modify-private playlist-modify-public playlist-read-private'))

# Playlist ID, keyword, and minimum track length in seconds
playlist_id = 'insert your playlist id here'
keyword = 'your keyword here'  # Leave as an empty string if you want to ignore the keyword filter
min_length_seconds = 60  # Minimum length of 60 seconds

# Convert minimum length to milliseconds
min_length_ms = min_length_seconds * 1000

# Function to get all tracks from a playlist (handles pagination)
def get_all_tracks(playlist_id):
    tracks = []
    results = sp.playlist_tracks(playlist_id)
    tracks.extend(results['items'])
    while results['next']:
        results = sp.next(results)
        tracks.extend(results['items'])
    return tracks

# Function to remove tracks in batches
def remove_tracks_in_batches(playlist_id, tracks_to_remove, batch_size=100):
    for i in range(0, len(tracks_to_remove), batch_size):
        batch = tracks_to_remove[i:i + batch_size]
        sp.playlist_remove_specific_occurrences_of_items(playlist_id, batch)

# Get all tracks in the playlist
tracks = get_all_tracks(playlist_id)

# Find tracks to remove
tracks_to_remove = []
for item in tracks:
    track = item['track']
    # Check if keyword is present in the track name or keyword is empty
    if (keyword == '' or keyword.lower() in track['name'].lower()) or track['duration_ms'] <= min_length_ms:
        tracks_to_remove.append({'uri': track['uri'], 'positions': [item['track']['track_number']-1]})

# Remove tracks from playlist in batches
if tracks_to_remove:
    remove_tracks_in_batches(playlist_id, tracks_to_remove)
    print(f"Removed {len(tracks_to_remove)} tracks containing the keyword '{keyword}' and shorter than {min_length_seconds} seconds from the playlist.")
else:
    print(f"No tracks found containing the keyword '{keyword}' and shorter than {min_length_seconds} seconds.")

# Debugging: Print track names that were not removed but match the criteria
remaining_tracks = get_all_tracks(playlist_id)
for item in remaining_tracks:
    track = item['track']
    if (keyword == '' or keyword.lower() in track['name'].lower()) and track['duration_ms'] >= min_length_ms:
        print(f"Track not removed: {track['name']}")