python code using tekore package to moved saved (liked) tracks from one spotify account to another.

.env.template

CLIENT_ID=PUT_CLIENT_ID_HERE
CLIENT_SECRET=PUT_CLIENT_SECRET_HERE
REDIRECT_URI=PUT_REDIRECT_URI_HERE

move_saved_songs_from_one_account_to_another.py

import tekore as tk
import os

client_id = os.environ.get("CLIENT_ID")
client_secret = os.environ.get("CLIENT_SECRET")
redirect_uri = os.environ.get("REDIRECT_URI")
conf = (client_id, client_secret, redirect_uri)

token = tk.prompt_for_user_token(*conf, scope=tk.scope.every)
# will open webpage for you to log into first account
spotify = tk.Spotify(token)

saved_tracks = []
offset = 0
limit = 50
while(True):
    tracks = spotify.saved_tracks(limit=limit, offset=offset)
    if(len(tracks.items) == 0):
        break;
    saved_tracks.extend(tracks.items)
    if(len(tracks.items) < offset):
        break
    offset += offset

print("{} Saved Songs Found".format(len(saved_tracks)))

token = tk.prompt_for_user_token(*conf, scope=tk.scope.every)
spotify = tk.Spotify(token)
saved_track_ids = [track.track.id for track in saved_tracks]
for chunk in zip(*(iter(saved_track_ids),) * limit):
    try:
        spotify.saved_tracks_add(track_ids=chunk)
    except Exception as e:
        print(e)

print('done adding saved songs to new account')

requirements.txt

certifi==2020.6.20
chardet==3.0.4
idna==2.10
requests==2.24.0
six==1.15.0
spotipy==2.13.0
urllib3==1.25.9

run_all_the_things.sh

#!/bin/bash

cp .env.template .env
source .env
python3 -m venv env
source env/bin/activate
pip install -r requirements.txt
python move_saved_songs_from_one_account_to_another.py