quick-start.py

from __future__ import print_function
import pickle
import os.path
from googleapiclient.discovery import build
from google_auth_oauthlib.flow import InstalledAppFlow
from google.auth.transport.requests import Request

# If modifying these scopes, delete the file token.pickle.
from googleapiclient.http import MediaFileUpload

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.pickle 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.pickle'):
        with open('token.pickle', 'rb') as token:
            creds = pickle.load(token)
    # 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.pickle', 'wb') as token:
            pickle.dump(creds, token)

    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:')
        folder_id = None
        for item in items:
            print(u'{0} ({1})'.format(item['name'], item['id']))
            if item['name']== 'semanticsegmentation':
                folder_id = item['id']

        if folder_id is not None:
           file_metadata = {
               'name': 'photo.jpg',
               'parents': [folder_id]
           }
           media = MediaFileUpload('photos/highline158185.jpg',mimetype='image/jpeg',resumable=True)
           file = service.files().create(body=file_metadata,media_body=media,fields='id').execute()
           print('File ID: %s' % file.get('id'))

if __name__ == '__main__':
    main()