Source code for google.appengine.ext.ndb.google_imports

# Copyright 2008 The ndb Authors. 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
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# See the License for the specific language governing permissions and
# limitations under the License.

"""Dynamically decide from where to import Google App Engine modules.

All other NDB code should import its Google App Engine modules from
this module.  If necessary, add new imports here (in both places).
# pylint: disable=unused-import, g-import-not-at-top

import os
import sys
  import google
  GOOGLE_PACKAGE_PATH = set(google.__path__)
except ImportError:

[docs]def set_appengine_imports(): gae_path = os.getenv('GAE') if gae_path is None: return sys.path.insert(0, gae_path) sys.modules.pop('google', None) import dev_appserver dev_appserver.fix_sys_path() if GOOGLE_PACKAGE_PATH is not None: import google GOOGLE_PACKAGE_PATH.update(google.__path__) google.__path__ = list(GOOGLE_PACKAGE_PATH)
try: from google.appengine.datastore import entity_pb normal_environment = True except ImportError: try: from import entity_pb normal_environment = False except ImportError: # If we are running locally but outside the context of App Engine. try: set_appengine_imports() from google.appengine.datastore import entity_pb normal_environment = True except ImportError: raise ImportError('Unable to find the App Engine SDK. ' 'Did you remember to set the "GAE" environment ' 'variable to be the path to the App Engine SDK?') if normal_environment: from google.appengine.api.blobstore import blobstore as api_blobstore from google.appengine.api import apiproxy_rpc from google.appengine.api import apiproxy_stub_map from google.appengine.api import datastore from google.appengine.api import datastore_errors from google.appengine.api import datastore_types from google.appengine.api import memcache from google.appengine.api import namespace_manager from google.appengine.api import taskqueue from google.appengine.api import urlfetch from google.appengine.api import users from google.appengine.datastore import datastore_pbs from google.appengine.datastore import datastore_query from google.appengine.datastore import datastore_rpc # This line will fail miserably for any app using auto_import_fixer # because auto_import_fixer only set up simple alias between # google and google3. But entity_pb is move to a different path completely. from google.appengine.datastore import entity_pb from google.appengine.ext.blobstore import blobstore as ext_blobstore from google.appengine.ext import db from google.appengine.ext import gql try: # For the python-compat runtime. from google.appengine.ext.vmruntime import callback except ImportError: # For the python 2.7 runtime. try: from google.appengine.runtime import apiproxy as callback # Python 2.5 and dev_appserver is not supported. if not hasattr(callback, 'SetRequestEndCallback'): callback = None except ImportError: callback = None from google.appengine.runtime import apiproxy_errors from import ProtocolBuffer else: from google3.apphosting.api.blobstore import blobstore as api_blobstore from google3.apphosting.api import apiproxy_rpc from google3.apphosting.api import apiproxy_stub_map from google3.apphosting.api import datastore from google3.apphosting.api import datastore_errors from google3.apphosting.api import datastore_types from google3.apphosting.api import memcache from google3.apphosting.api import namespace_manager from google3.apphosting.api import taskqueue from google3.apphosting.api import urlfetch from google3.apphosting.api import users from google3.apphosting.datastore import datastore_pbs from google3.apphosting.datastore import datastore_query from google3.apphosting.datastore import datastore_rpc from import entity_pb from google3.apphosting.ext.blobstore import blobstore as ext_blobstore from google3.apphosting.ext import db from google3.apphosting.ext import gql from google3.apphosting.ext.vmruntime import callback from google3.apphosting.runtime import apiproxy_errors from import ProtocolBuffer

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Python on App Engine