Update oauth2client to v2.0.1 and googleapiclient to v1.5.0.

client/third_party/oauth2client/gce.py

-# Copyright 2014 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.
-
-"""Utilities for Google Compute Engine
-
-Utilities for making it easier to use OAuth 2.0 on Google Compute Engine.
-"""
-
-import json
-import logging
-from six.moves import urllib
-
-from oauth2client._helpers import _from_bytes
-from oauth2client import util
-from oauth2client.client import HttpAccessTokenRefreshError
-from oauth2client.client import AssertionCredentials
-
-
-__author__ = 'jcgregorio@google.com (Joe Gregorio)'
-
-logger = logging.getLogger(__name__)
-
-# URI Template for the endpoint that returns access_tokens.
-META = ('http://metadata.google.internal/0.1/meta-data/service-accounts/'
-        'default/acquire{?scope}')
-
-
-class AppAssertionCredentials(AssertionCredentials):
-    """Credentials object for Compute Engine Assertion Grants
-
-    This object will allow a Compute Engine instance to identify itself to
-    Google and other OAuth 2.0 servers that can verify assertions. It can be
-    used for the purpose of accessing data stored under an account assigned to
-    the Compute Engine instance itself.
-
-    This credential does not require a flow to instantiate because it
-    represents a two legged flow, and therefore has all of the required
-    information to generate and refresh its own access tokens.
-    """
-
-    @util.positional(2)
-    def __init__(self, scope, **kwargs):
-        """Constructor for AppAssertionCredentials
-
-        Args:
-            scope: string or iterable of strings, scope(s) of the credentials
-                   being requested.
-        """
-        self.scope = util.scopes_to_string(scope)
-        self.kwargs = kwargs
-
-        # Assertion type is no longer used, but still in the
-        # parent class signature.
-        super(AppAssertionCredentials, self).__init__(None)
-
-    @classmethod
-    def from_json(cls, json_data):
-        data = json.loads(_from_bytes(json_data))
-        return AppAssertionCredentials(data['scope'])
-
-    def _refresh(self, http_request):
-        """Refreshes the access_token.
-
-        Skip all the storage hoops and just refresh using the API.
-
-        Args:
-            http_request: callable, a callable that matches the method
-                          signature of httplib2.Http.request, used to make
-                          the refresh request.
-
-        Raises:
-            HttpAccessTokenRefreshError: When the refresh fails.
-        """
-        query = '?scope=%s' % urllib.parse.quote(self.scope, '')
-        uri = META.replace('{?scope}', query)
-        response, content = http_request(uri)
-        content = _from_bytes(content)
-        if response.status == 200:
-            try:
-                d = json.loads(content)
-            except Exception as e:
-                raise HttpAccessTokenRefreshError(str(e),
-                                                  status=response.status)
-            self.access_token = d['accessToken']
-        else:
-            if response.status == 404:
-                content += (' This can occur if a VM was created'
-                            ' with no service account or scopes.')
-            raise HttpAccessTokenRefreshError(content, status=response.status)
-
-    @property
-    def serialization_data(self):
-        raise NotImplementedError(
-            'Cannot serialize credentials for GCE service accounts.')
-
-    def create_scoped_required(self):
-        return not self.scope
-
-    def create_scoped(self, scopes):
-        return AppAssertionCredentials(scopes, **self.kwargs)