google drive apiで指定したフォルダ内のファイルを抽出する

pip install --upgrade google-api-python-client google-auth-httplib2 google-auth-oauthlib oauth2client

import os
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

# Google Drive APIのスコープ
SCOPES = ['https://www.googleapis.com/auth/drive']

def authenticate():
    
    creds = None
    
    if os.path.exists('token.json'):
        creds = Credentials.from_authorized_user_file('token.json')
    
    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(
                'client_secret.json', SCOPES)
            creds = flow.run_local_server(port=0)
    
        with open('token.json', 'w') as token:
            token.write(creds.to_json())
    return creds

def get_folder_files(folder_id):
    creds = authenticate()
    service = build('drive', 'v3', credentials=creds)

    # フォルダ内のファイル情報を取得
    results = service.files().list(q=f"'{folder_id}' in parents",
                                   fields="files(id, name, mimeType)").execute()
    files = results.get('files', [])

    if not files:
        print('No files found.')
    else:
        print('Files:')
        for file in files:
            print(f"Name: {file['name']}, ID: {file['id']}, Type: {file['mimeType']}")

if __name__ == '__main__':
    
    folder_id = '検索したいフォルダのIDを指定'
    get_folder_files(folder_id)