# -*- coding: utf-8 -*-
import winreg

key_id = winreg.HKEY_LOCAL_MACHINE
sub_key_id = r"SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellIconOverlayIdentifiers"

reserve_keys = (
    'DropboxExt02',
    'DropboxExt05',
    'DropboxExt07',
    'DropboxExt01'
)

to_del_keys = list()

with winreg.OpenKey(key=key_id, sub_key=sub_key_id
        , reserved=0
        , access=winreg.KEY_READ | winreg.KEY_WOW64_64KEY) as key:
    try:
        i = 0
        while True:
            name = winreg.EnumKey(key, i)
            temp_name = name.strip()
            i += 1
            if 'DropboxExt' in temp_name and temp_name not in reserve_keys:
                key_to_del = sub_key_id + '\\' + name
                to_del_keys.append(key_to_del)
    except OSError:
        pass

    if len(to_del_keys) > 0:
        print('Will delete keys'
              , '------------------------------'
              , '\n'.join(to_del_keys)
              , '------------------------------'
              , sep='\n')

        confirm = input("ENTER 'yes' TO DELETE:")

        if confirm == 'yes':
            for del_key in to_del_keys:
                print('Delete.. ', del_key)
                winreg.DeleteKeyEx(key_id, del_key, access=winreg.KEY_WOW64_64KEY)
        else:
            print('User cancel')
    else:
        print('No key to delete')