def RunInTransactionCustomRetries(retries, function, *args, **kwargs):
  options = datastore_rpc.TransactionOptions(retries=retries)
  return RunInTransactionOptions(options, function, *args, **kwargs)
Filter all user subscriptions for ones that are on parent projects
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/datastore.py/RunInTransactionCustomRetries--crossover with--dataset/ETHPy150Open CenterForOpenScience/osf.io/website/notifications/utils.py/get_configured_projects