実際のところ
ファイルIDがXXXのものをBytesIOに放り込み、ファイルfoobar.fileに書き込むサンプルは以下のような感じに
from __future__ import print_function import os.path import io from google.auth.transport.requests import Request from google.oauth2.credentials import Credentials from google_auth_oauthlib.flow import InstalledAppFlow from googleapiclient.discovery import build from googleapiclient.errors import HttpError from googleapiclient.http import MediaIoBaseDownload # If modifying these scopes, delete the file token.json. SCOPES = ['https://www.googleapis.com/auth/drive'] def main(): """Shows basic usage of the Drive v3 API. Prints the names and ids of the first 10 files the user has access to. """ creds = None # The file token.json stores the user's access and refresh tokens, and is # created automatically when the authorization flow completes for the first # time. if os.path.exists('token.json'): creds = Credentials.from_authorized_user_file('token.json', SCOPES) # If there are no (valid) credentials available, let the user log in. if not creds or not creds.valid: if creds and creds.expired and creds.refresh_token: creds.refresh(Request()) else: flow = InstalledAppFlow.from_client_secrets_file( 'credentials.json', SCOPES) creds = flow.run_local_server(port=0) # Save the credentials for the next run with open('token.json', 'w') as token: token.write(creds.to_json()) try: service = build('drive', 'v3', credentials=creds) # Call the Drive v3 API file_id = 'XXX' request = service.files().get_media(fileId=file_id) fh = io.BytesIO() downloader = MediaIoBaseDownload(fh, request) done = False while done is False: status, done = downloader.next_chunk() print("Download %d%%." % int(status.progress() * 100)) with open("foobar.file", "wb") as fp: fp.write(fh.getbuffer()) except HttpError as error: # TODO(developer) - Handle errors from drive API. print(f'An error occurred: {error}') if __name__ == '__main__': main()
