text: """
  """
  
  # Created on 2016.04.14
  #
  # Author: Giovanni Cannata
  #
  # Copyright 2016 - 2018 Giovanni Cannata
  #
  # This file is part of ldap3.
  #
  # ldap3 is free software: you can redistribute it and/or modify
  # it under the terms of the GNU Lesser General Public License as published
  # by the Free Software Foundation, either version 3 of the License, or
  # (at your option) any later version.
  #
  # ldap3 is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  # GNU Lesser General Public License for more details.
  #
  # You should have received a copy of the GNU Lesser General Public License
  # along with ldap3 in the COPYING and COPYING.LESSER files.
  # If not, see <http://www.gnu.org/licenses/>.
  
  from ...extend.operation import ExtendedOperation
  from ...protocol.novell import CreateGroupTypeRequestValue, CreateGroupTypeResponseValue, GroupingControlValue
  from ...protocol.controls import build_control
  
  
  class StartTransaction(ExtendedOperation):
      def config(self):
          self.request_name = '2.16.840.1.113719.1.27.103.1'
          self.response_name = '2.16.840.1.113719.1.27.103.1'
          self.request_value = CreateGroupTypeRequestValue()
          self.asn1_spec = CreateGroupTypeResponseValue()
  
      def __init__(self, connection, controls=None):
          ExtendedOperation.__init__(self, connection, controls)  # calls super __init__()
          self.request_value['createGroupType'] = '2.16.840.1.113719.1.27.103.7'  # transactionGroupingType
  
      def populate_result(self):
          self.result['cookie'] = int(self.decoded_response['createGroupCookie'])
          try:
              self.result['value'] = self.decoded_response['createGroupValue']
          except TypeError:
              self.result['value'] = None
  
      def set_response(self):
          try:
              grouping_cookie_value = GroupingControlValue()
              grouping_cookie_value['groupingCookie'] = self.result['cookie']
              self.response_value = build_control('2.16.840.1.113719.1.27.103.7', True, grouping_cookie_value, encode_control_value=True)  # groupingControl
          except TypeError:
              self.response_value = None
  
  