# Update class names from the immediately prior version only
# to ensure that cycles are not possible

from apptools.persistence.updater import Updater


def update_project(self, state):
    print 'updating to v2'
    metadata = state['metadata']
    metadata['version'] =  2
    metadata['updater'] = 22
    return state


class Update2(Updater):

    def __init__(self):

        self.refactorings = {
            ("__main__", "Foo1"): ("__main__", "Foo2"),
        }

        self.setstates = {
            ("cplab.project", "Project"):  update_project
        }