gistfile1.py

#!/usr/bin/env python

import httplib2
from oauth2client.client import flow_from_clientsecrets
from oauth2client.file import Storage
from oauth2client.tools import run

from apiclient.discovery import build

CLIENT_SECRETS = 'client_secrets.json'
OAUTH2_STORAGE = 'oauth2.dat'
GCE_SCOPE = 'https://www.googleapis.com/auth/compute'
API_VERSION = 'v1beta15'
GCE_URL = 'https://www.googleapis.com/compute/%s/projects/' % (API_VERSION)
PROJECT_ID = 'ianduffy1111'

def main():

  # Perform OAuth 2.0 authorization.
  flow = flow_from_clientsecrets(CLIENT_SECRETS, scope=GCE_SCOPE)
  storage = Storage(OAUTH2_STORAGE)
  credentials = storage.get()

  if credentials is None or credentials.invalid:
    credentials = run(flow, storage)
  http = httplib2.Http()
  auth_http = credentials.authorize(http)

  gce_service = build('compute', API_VERSION)
  project_url = GCE_URL + PROJECT_ID

  request = gce_service.zones().list(project = PROJECT_ID)
  response = request.execute(auth_http)
  if response and 'items' in response:
    zones = response['items']
    for zone in zones:
      print zone['name']
  else:
    print 'No zones to list.'


if __name__ == '__main__':
  main()