gistfile1.py

class UserEnergyUpdate(BaseCommand):

    params = 'uid',
    requires = 'user',
    
    @getter
    def session(self):
        return RSession()

    @getter
    def user(self, session):
        return self.root.users.get(self.p['uid'], session)    
        
    @getter
    def friend(self, user, session):
        return self.root.users.get(user.friend.get(), session)