PythonからGoogleDriveに接続する方法を画像付きで説明

$ pip install --upgrade google-api-python-client google-auth-httplib2 google-auth-oauthlib

from __future__ import print_function
import os.path
from googleapiclient.discovery import build
from google_auth_oauthlib.flow import InstalledAppFlow
from google.auth.transport.requests import Request
from google.oauth2.credentials import Credentials
# If modifying these scopes, delete the file token.json.
SCOPES = ['https://www.googleapis.com/auth/drive.metadata.readonly']
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()) service = build('drive', 'v3', credentials=creds) # Call the Drive v3 API results = service.files().list( pageSize=10, fields="nextPageToken, files(id, name)").execute() items = results.get('files', []) if not items: print('No files found.') else: print('Files:') for item in items: print(u'{0} ({1})'.format(item['name'], item['id']))
if __name__ == '__main__': main()

# credentials.jsonを同じディレクトリに配置
$ ls
quickstart.py credentials.json
# 初回実行時のみブラウザが立ち上がり、アクセスの確認が行われます。
$ python quickstart.py
Files:
...