update-existing-users.py

import syncano
from syncano.models import User
from syncano.models import Object

syncano.connect(api_key='ACCOUNT_KEY', instance_name=META['instance']) 

def add_username_to_user(user):
    print user.id
    user_profile = Object.please.list(
        class_name='user_profile'
    ).filter(owner__eq=user.id).first()
    print user_profile
    Object.please.update(
        id=user_profile.id,
        class_name='user_profile',
        other_permissions='read',
        username=user.username
    )

users = User.please.list()
for user in users:
    print "Adding username and read permissions for user {user}".format(user=user.username)
    add_username_to_user(user)