kay.ext.gaema.utils.get_gaema_user, discus for http://groups.google.com/group/kay-users-ja/browse_thread/thread/5a842d604c36d7a4

models.py

# -*- coding: utf-8 -*-

import pickle

from google.appengine.ext import db
from kay.ext.gaema.models import GAEMAUser

class User(GAEMAUser):
    name = db.StringProperty()

    @classmethod
    def get_or_insert(cls, key_name, user):
        ds_user = cls.get_by_key_name(user['email'])
        if not ds_user:
            user['_service'] = 'goog_hybrid'
            ds_user = cls.store_user_data(key_name, user)
        elif ds_user.raw_user_data != user:
            ds_user.user_data = pickle.dumps(user, pickle.HIGHEST_PROTOCOL)
            ds_user.put()
        return ds_user

    @classmethod
    def store_user_data(cls, key_name, user):
        ret = cls(key_name=user['email'],
                  name=user['name'],
                  user_data=pickle.dumps(user, pickle.HIGHEST_PROTOCOL),
                  service=user['_service'])
        ret.put()
        return ret

views.py

# -*- coding: utf-8 -*-

from kay.ext.gaema.utils import (
    create_gaema_login_url, create_gaema_logout_url, get_gaema_user
)
from kay.ext.gaema.services import GOOG_HYBRID
from kay.utils import (
    render_to_response, url_for
)

from main.models import User

def index(request):
    user = get_gaema_user(GOOG_HYBRID)
    if user is None:
        gaema_login_url = create_gaema_login_url(GOOG_HYBRID, url_for("main/index"))
        return render_to_response('main/index.html', vars())
    gaema_logout_url = create_gaema_logout_url(GOOG_HYBRID, url_for("main/index"))
    email = user['email']
    user = User.get_or_insert(email, user)
    return render_to_response('main/login.html', vars())