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# Copyright 2015 Google Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# [START all]
"""
Sample App Engine application that demonstrates authentication to BigQuery
using User OAuth2 as opposed to OAuth2 Service Accounts.
For more information, see README.md.
"""
import json
import os
import googleapiclient.discovery
from oauth2client.contrib.appengine import OAuth2DecoratorFromClientSecrets
import webapp2
# The project id whose datasets you'd like to list
PROJECTID = '<your-project-id>'
# Create the method decorator for oauth.
decorator = OAuth2DecoratorFromClientSecrets(
os.path.join(os.path.dirname(__file__), 'client_secrets.json'),
scope='https://www.googleapis.com/auth/bigquery')
# Create the bigquery api client
service = googleapiclient.discovery.build('bigquery', 'v2')
class MainPage(webapp2.RequestHandler):
# oauth_required ensures that the user goes through the OAuth2
# authorization flow before reaching this handler.
@decorator.oauth_required
def get(self):
# This is an httplib2.Http instance that is signed with the user's
# credentials. This allows you to access the BigQuery API on behalf
# of the user.
http = decorator.http()
response = service.datasets().list(projectId=PROJECTID).execute(http)
self.response.out.write('<h3>Datasets.list raw response:</h3>')
self.response.out.write('<pre>%s</pre>' %
json.dumps(response, sort_keys=True, indent=4,
separators=(',', ': ')))
app = webapp2.WSGIApplication([
('/', MainPage),
# Create the endpoint to receive oauth flow callbacks
(decorator.callback_path, decorator.callback_handler())
], debug=True)
# [END all]