new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  """
  First run 
      rm -rf website/addons/box/views/
  
  Then change the user_settings field of BoxNodeSettings to foreign_user_settings
  """
  import sys
  import logging
  from modularodm import Q
  
  from website.app import init_app
  from scripts import utils as script_utils
  from framework.transactions.context import TokuTransaction
  
  from website.addons.box.model import BoxNodeSettings
  
  logger = logging.getLogger(__name__)
  
  
  def do_migration():
      for node_addon in BoxNodeSettings.find(Q('foreign_user_settings', 'ne', None)):
          user_addon = node_addon.foreign_user_settings
          user = user_addon.owner
          if not user_addon.external_accounts:
              logger.warning('User {0} has no box external account'.format(user._id))
              continue
          account = user_addon.external_accounts[0]
          node_addon.set_auth(account, user_addon.owner)
          logger.info('Added external account {0} to node {1}'.format(
              account._id, node_addon.owner._id,
          ))
  
  
  def main(dry=True):
      init_app(set_backends=True, routes=False)  # Sets the storage backends on all models
      with TokuTransaction():
          do_migration()
          if dry:
              raise Exception('Abort Transaction - Dry Run')
  
  
  if __name__ == '__main__':
      dry = 'dry' in sys.argv
      if not dry:
          script_utils.add_file_logger(logger, __file__)
      main(dry=dry)
  
subject: Add script to connect ExternalAccounts and folders -after the pre-merge migrations have been done