old-tfm/controller/state/__init__.py

import config
from state.server import Server
from state.changer import Changer
from state.file import File

def sync():
    server = Server(config.API_BASE_URL, config.CONTROLLER_ID)
    local = File(config.STATE_FILE)
    server_state = server.get_state()



    if local.present():
        local.load()
        print "local present: " + repr(local.data)
    else:
        local.data = server_state
        print "local not present, server: " + repr(local.data)
        local.save()


    local_state = local.data

    changer = Changer(local_state, server_state)
    current_state = changer.process_change()

    server.post_state(current_state)