text: """
  This module is responsible for doing all the authentication.
  Adapted from the Google API Documentation.
  """
  
  from __future__ import print_function
  import os
  import httplib2
  
  import apiclient
  import oauth2client
  
  try:
      import argparse
      flags = argparse.ArgumentParser(
          parents=[oauth2client.tools.argparser]).parse_args()
  except ImportError:
      flags = None
  
  SCOPES = 'https://www.googleapis.com/auth/drive'
  CLIENT_SECRET_FILE = 'client_secret.json'
  
  # Enter your project name here!!
  APPLICATION_NAME = 'API Project'
  
  
  def get_credentials():
      """Gets valid user credentials from storage.
  
      If nothing has been stored, or if the stored credentials are invalid,
      the OAuth2 flow is completed to obtain the new credentials.
  
      Returns:
          Credentials, the obtained credential.
      """
      home_dir = os.path.expanduser('~')
      credential_dir = os.path.join(home_dir, '.gdrive-credentials-cache')
      if not os.path.exists(credential_dir):
          os.makedirs(credential_dir)
      credential_path = os.path.join(credential_dir,
                                     'gdrive-credentials.json')
  
      store = oauth2client.file.Storage(credential_path)
      credentials = store.get()
      if not credentials or credentials.invalid:
          flow = oauth2client.client.flow_from_clientsecrets(
              CLIENT_SECRET_FILE, SCOPES)
          flow.user_agent = APPLICATION_NAME
          if flags:
              credentials = oauth2client.tools.run_flow(flow, store, flags)
          else:  # Needed only for compatibility with Python 2.6
              credentials = oauth2client.tools.run(flow, store)
          print('Storing credentials to ' + credential_path)
      return credentials
  
  
  credentials = get_credentials()
  http = credentials.authorize(httplib2.Http())
  file_service = apiclient.discovery.build('drive', 'v3', http=http).files()
  