drive_copy.py

from pydrive.auth import GoogleAuth
from pydrive.drive import GoogleDrive


def get_file_dir_path(drive, file, files_map):
    if 'parents' in file and len(file['parents']) > 0:
        if file['parents'][0]['isRoot']:
            return file['title']
        parent_title = get_file_dir_path(drive, files_map[file['parents'][0]['id']], files_map)
        return parent_title + '/' + file['title']
    else:
        return file['title']


def mkdirs(drive, dirs, parent_id=None):
    for dir in dirs:
        if not dir:
            continue
        if parent_id:
            file_metadata = {
                'title': dir,
                'parents': [{'id': parent_id}],
                'mimeType': 'application/vnd.google-apps.folder'
            }
        else:
            file_metadata = {
                'title': dir,
                'mimeType': 'application/vnd.google-apps.folder'
            }
        file = drive.CreateFile(file_metadata)
        file.Upload()
        parent_id = file['id']
    return parent_id


def copy_file(drive, source_id, parent_id, dest_title):
    copied_file = {'title': dest_title, 'parents': [{'id': parent_id}]}
    f = drive.auth.service.files().copy(fileId=source_id, body=copied_file).execute()
    dest_id = f['id']
    dest = drive.CreateFile({'id': dest_id})
    dest.FetchMetadata('title')
    return dest['id']


gauth = GoogleAuth()
gauth.LocalWebserverAuth()

drive = GoogleDrive(gauth)

file_list = drive.ListFile().GetList()
files_map = {}

with open('test.json', 'w+') as f:
    import json
    f.write(json.dumps(file_list, ensure_ascii=False))

for file in file_list:
    files_map[file['id']] = file

for file in file_list:
    if not file['owners'][0]['isAuthenticatedUser']:
        dir_path = get_file_dir_path(drive, file, files_map)
        dir_id = mkdirs(drive, dir_path.split('/')[0:-1])
        if file['copyable']:
            copy_file(drive, file['id'], dir_id, file['title'])