@ConfigOption
  def xg(value):
    if not isinstance(value, bool):
      raise datastore_errors.BadArgumentError(
          'xg argument should be bool (%r)' % (value,))
    return value
Whether to allow cross-group transactions.
dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/datastore/datastore_rpc.py/TransactionOptions.xg