Google Colaboratoryを使ってGoogle Driveのファイルを別のアカウントにごっそり移行する

from google.colab import drive 
drive.mount('/content/gdrive')

import io
from googleapiclient.http import MediaIoBaseDownload
from googleapiclient.discovery import build
import google.colab
import googleapiclient.discovery
import googleapiclient.http

def listFiles(service, folder_id):
    listOfFiles = []

    query = f"'{folder_id}' in parents and mimeType='image/jpeg'"

    # Get list of jpg files in shared folder
    page_token = None
    while True:
        response = service.files().list(
            q=query,
            fields="nextPageToken, files(id, name)",
            pageToken=page_token,
            includeItemsFromAllDrives=True, 
            supportsAllDrives=True
        ).execute()

        for file in response.get('files', []):
            listOfFiles.append(file)

        page_token = response.get('nextPageToken', None)
        if page_token is None:
            break

    return listOfFiles

def downloadFiles(service, listOfFiles):
    # Download all jpegs
    for fileID in listOfFiles:
        request = service.files().get_media(fileId=fileID['id'])
        fh = io.FileIO(
            f"/content/gdrive/My Drive/{fileID['name']}",
            mode='wb'
        )
        downloader = MediaIoBaseDownload(fh, request)

        done = False
        while done is False:
            status, done = downloader.next_chunk()
            print("Downloading..." + str(fileID['name']))

if __name__ == "__main__":
  file_id = 'TAKE ID FROM SHAREABLE LINK'
  google.colab.auth.authenticate_user()
  service = googleapiclient.discovery.build('drive', 'v3')
  listOfFiles = listFiles(service, file_id)
  downloadFiles(service, listOfFiles)