kill_playlist_dupes

#!/usr/bin/env python3
import sys

from gmusicapi import Mobileclient

try:
    import credentials
    # credentials.py is in .gitignore and can be shared with other scripts
    username = credentials.username
    password = credentials.password
except ImportError:
    username = 'username'
    password = 'password'

try:
    # optionally hardcode id to workaround https://github.com/simon-weber/gmusicapi/issues/408
    android_id = credentials.android_id
except (NameError, AttributeError):
    android_id = Mobileclient.FROM_MAC_ADDRESS

def get_dupes_in_playlist(playlist):
   duplicate_Ids = []
   unique_trackIds = []
   
   for track in playlist['tracks']:
       if track['trackId'] not in unique_trackIds:
           unique_trackIds.append(track['trackId'])

   for atrack in unique_trackIds:
       count = 0
       for btrack in playlist['tracks']:
           #print(atrack + " b " + btrack['trackId'] )
           if atrack == btrack['trackId'] :
               count += 1
               if count > 1:
                   duplicate_Ids.append(btrack['id'])

   return duplicate_Ids

def query_yes_no(question, default="yes"):
    """Ask a yes/no question via input() and return their answer.

    "question" is a string that is presented to the user.
    "default" is the presumed answer if the user just hits <Enter>.
        It must be "yes" (the default), "no" or None (meaning
        an answer is required of the user).

    The "answer" return value is one of "yes" or "no".
    """
    valid = {"yes":True,   "y":True,  "ye":True,
             "no":False,     "n":False}
    if default == None:
        prompt = " [y/n] "
    elif default == "yes":
        prompt = " [Y/n] "
    elif default == "no":
        prompt = " [y/N] "
    else:
        raise ValueError("invalid default answer: '%s'" % default)

    while True:
        sys.stdout.write(question + prompt)
        if sys.version_info[0] < 3:
            choice = raw_input().lower()
        else:
            choice = input().lower()
        if default is not None and choice == '':
            return valid[default]
        elif choice in valid:
            return valid[choice]
        else:
            sys.stdout.write("Please respond with 'yes' or 'no' "\
                             "(or 'y' or 'n').\n")


api = Mobileclient()
logged_in = api.login(username, password, android_id)

if logged_in:
    print("Successfully logged in. Beginning duplicate detection process.")

    all_playlists = api.get_all_user_playlist_contents()

    for playlist in all_playlists:
        #if playlist['name'] == 'aaaDuplicateTest':
        if 1==1:
            duplicate_tracks = get_dupes_in_playlist(playlist)
            if len(duplicate_tracks) > 0:
                if query_yes_no("Found " + str(len(duplicate_tracks)) + " duplicate tracks in playlist " + playlist['name'] + ". Delete duplicates?", "yes"):
                    deleted_track_ids = []
                    deleted_track_ids += api.remove_entries_from_playlist(duplicate_tracks)
                    print("Successfully deleted " + str(len(deleted_track_ids)) + " tracks of " + playlist['name'] )
                else:
                    print("Skipping " + playlist['name'])

    print("Thank you!")