Configure default shell python interpreter to load google appengine SDK on OSX

.profile

# python
export PYTHONDONTWRITEBYTECODE=1
export PYTHONSTARTUP="~/.pythonrc"

.pythonrc

# Configure default shell python interpreter to load google appengine 
# setup automatically

import os
import sys


# Appengine Server Settings
os.environ['SERVER_SOFTWARE'] = 'Development/1.0'
os.environ['APPENGINE_RUNTIME'] = 'python27'
os.environ['SDK_VERSION'] = '1.6.1'

# Appengine Application Settings
os.environ['SERVER_NAME'] = 'shellapp'
os.environ['APPLICATION_ID'] = 'dev~shellapp'
os.environ['CURRENT_VERSION_ID'] = 'dev.1'


sys.path.append('/usr/local/google_appengine')

import dev_appserver
dev_appserver.fix_sys_path()


from google.appengine.api import apiproxy_stub_map, datastore_file_stub
if 'datastore' in apiproxy_stub_map.apiproxy._APIProxyStubMap__stub_map:
  del apiproxy_stub_map.apiproxy._APIProxyStubMap__stub_map['datastore']
if 'datastore_v3' in apiproxy_stub_map.apiproxy._APIProxyStubMap__stub_map:
  del apiproxy_stub_map.apiproxy._APIProxyStubMap__stub_map['datastore_v3']

stub_path = '/dev/null'
stub = datastore_file_stub.DatastoreFileStub(
    os.environ['APPLICATION_ID'], stub_path, stub_path)
apiproxy_stub_map.apiproxy.RegisterStub('datastore', stub)


import google.appengine.ext.db as db
from google.appengine.api import memcache

print 'Google Appengine stubs configured.\nThe db, memcache modules are already loaded'