utils_google_drive.py

from __future__ import print_function

import os.path
import pickle

import pandas
from google.auth.transport.requests import Request
from google_auth_oauthlib.flow import InstalledAppFlow
from googleapiclient.discovery import build
from googleapiclient.http import MediaFileUpload

# If modifying these scopes, delete the file token.pickle.
SCOPES = ['https://www.googleapis.com/auth/spreadsheets.readonly',
          'https://www.googleapis.com/auth/drive']


def upload_file_to_google_drive(path):
    """Shows basic usage of the Sheets API.
    Prints values from a sample spreadsheet.
    """
    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)

    file_metadata = {'name': path}
    media = MediaFileUpload(path, mimetype='*/*')
    service = build('drive', 'v3', credentials=creds, cache_discovery=False)
    file = service.files().create(body=file_metadata,
                                  media_body=media).execute()

    file_id = file['id']
    file_url = 'https://drive.google.com/uc?id={}'.format(file_id)
    print(file_url)

    def callback(request_id, response, exception):
        if exception:
            # Handle error
            print(exception)
        else:
            print("Permission Id: %s" % response.get('id'))
    batch = service.new_batch_http_request(callback=callback)
    user_permission = {
        'type': 'anyone',
        'role': 'reader'
    }
    batch.add(service.permissions().create(
        fileId=file_id,
        body=user_permission,
        fields='id',
    ))
    batch.execute()
    return file_url