drive_api_upload_with_searvice_account.py

from pydrive2.drive import GoogleDrive
from pydrive2.auth import GoogleAuth

#https://docs.iterative.ai/PyDrive2/filemanagement/#upload-file-to-a-specific-folder

def login_with_service_account():
    """
    Google Drive service with a service account.
    note: for the service account to work, you need to share the folder or
    files with the service account email.

    :return: google auth
    """
    # Define the settings dict to use a service account
    # We also can use all options available for the settings dict like
    # oauth_scope,save_credentials,etc.
    settings = {
        "client_config_backend": "service",
        "service_config": {
            "client_json_file_path": "drive_service.json",
        }
    }
    # Create instance of GoogleAuth
    gauth = GoogleAuth(settings=settings)
    # Authenticate
    gauth.ServiceAuth()
    return gauth


def upload_file_google_drive():
    auth = login_with_service_account()
    drive = GoogleDrive(auth)
    file1 = drive.CreateFile({'title': 'Hello.txt',
                              'parents': [
                                  {'id': '<folder_id>'}
                              ]})
    file1.SetContentString('Hello')
    file1.Upload()  # Files.insert()
    print(file1)
    print('title: %s, id: %s' % (file1['title'], file1['id']))

    file_list = drive.ListFile({'q': "'root' in parents"}).GetList()
    for file1 in file_list:
        print('title: {}, id: {}'.format(file1['title'], file1['id']))

if __name__ == '__main__':
    upload_file_google_drive()
    """
    1. アップロードするDriveのフォルダを決める
    2. URLからフォルダのIDを取得する
    3. Google Drive APIを有効にしたサービスアカウントを発行する
    4. サービスアカウントのメールアドレスをフォルダの共有アカウントに追加する
    """