docs: def _write_regpol_data(data_to_write,
                         policy_file_path,
                         gpt_ini_path,
                         gpt_extension,
                         gpt_extension_guid):
      '''
      helper function to actually write the data to a Registry.pol file
  
      also updates/edits the gpt.ini file to include the ADM policy extensions
      to let the computer know user and/or machine registry policy files need
      to be processed
  
      data_to_write: data to write into the user/machine registry.pol file
      policy_file_path: path to the registry.pol file
      gpt_ini_path: path to gpt.ini file
      gpt_extension: gpt extension list name from _policy_info class for this registry class gpt_extension_location
      gpt_extension_guid: admx registry extension guid for the class
      '''
      try:
          reg_pol_header = u'\u5250\u6765\x01\x00'
          if not os.path.exists(policy_file_path):
              __salt__['file.makedirs'](policy_file_path)
          with salt.utils.files.fopen(policy_file_path, 'wb') as pol_file:
              if not data_to_write.startswith(reg_pol_header.encode('utf-16-le')):
                  pol_file.write(reg_pol_header.encode('utf-16-le'))
              pol_file.write(data_to_write)
          try:
              gpt_ini_data = ''
              if os.path.exists(gpt_ini_path):
                  with salt.utils.files.fopen(gpt_ini_path, 'r') as gpt_file:
                      gpt_ini_data = gpt_file.read()
              if not _regexSearchRegPolData(r'\[General\]\r\n', gpt_ini_data):
                  gpt_ini_data = '[General]\r\n' + gpt_ini_data
              if _regexSearchRegPolData(r'{0}='.format(re.escape(gpt_extension)),
                                        gpt_ini_data):
                  # ensure the line contains the ADM guid
                  gpt_ext_loc = re.search(r'^{0}=.*\r\n'.format(re.escape(gpt_extension)),
                                          gpt_ini_data,
                                          re.IGNORECASE | re.MULTILINE)
                  gpt_ext_str = gpt_ini_data[gpt_ext_loc.start():gpt_ext_loc.end()]
                  if not _regexSearchRegPolData(r'{0}'.format(re.escape(gpt_extension_guid)),
                                                gpt_ext_str):
                      gpt_ext_str = gpt_ext_str.split('=')
                      gpt_ext_str[1] = gpt_extension_guid + gpt_ext_str[1]
                      gpt_ext_str = '='.join(gpt_ext_str)
                      gpt_ini_data = gpt_ini_data[0:gpt_ext_loc.start()] + gpt_ext_str + gpt_ini_data[gpt_ext_loc.end():]
              else:
                  general_location = re.search(r'^\[General\]\r\n',
                                               gpt_ini_data,
                                               re.IGNORECASE | re.MULTILINE)
                  gpt_ini_data = '{0}{1}={2}\r\n{3}'.format(
                          gpt_ini_data[general_location.start():general_location.end()],
                          gpt_extension,
                          gpt_extension_guid,
                          gpt_ini_data[general_location.end():])
              # https://technet.microsoft.com/en-us/library/cc978247.aspx
              if _regexSearchRegPolData(r'Version=', gpt_ini_data):
                  version_loc = re.search(r'^Version=.*\r\n',
                                          gpt_ini_data,
                                          re.IGNORECASE | re.MULTILINE)
                  version_str = gpt_ini_data[version_loc.start():version_loc.end()]
                  version_str = version_str.split('=')
                  version_nums = struct.unpack(b'>2H', struct.pack(b'>I', int(version_str[1])))
                  if gpt_extension.lower() == 'gPCMachineExtensionNames'.lower():
                      version_nums = (version_nums[0], version_nums[1] + 1)
                  elif gpt_extension.lower() == 'gPCUserExtensionNames'.lower():
                      version_nums = (version_nums[0] + 1, version_nums[1])
                  version_num = struct.unpack(b'>I', struct.pack(b'>2H', *version_nums))[0]
                  gpt_ini_data = '{0}{1}={2}\r\n{3}'.format(
                          gpt_ini_data[0:version_loc.start()],
                          'Version',
                          version_num,
                          gpt_ini_data[version_loc.end():])
              else:
                  general_location = re.search(r'^\[General\]\r\n',
                                               gpt_ini_data,
                                               re.IGNORECASE | re.MULTILINE)
                  if gpt_extension.lower() == 'gPCMachineExtensionNames'.lower():
                      version_nums = (0, 1)
                  elif gpt_extension.lower() == 'gPCUserExtensionNames'.lower():
                      version_nums = (1, 0)
                  gpt_ini_data = '{0}{1}={2}\r\n{3}'.format(
                          gpt_ini_data[general_location.start():general_location.end()],
                          'Version',
                          int("{0}{1}".format(six.text_type(version_nums[0]).zfill(4),
                                              six.text_type(version_nums[1]).zfill(4)),
                              16),
                          gpt_ini_data[general_location.end():])
              if gpt_ini_data:
                  with salt.utils.files.fopen(gpt_ini_path, 'w') as gpt_file:
                      gpt_file.write(gpt_ini_data)
          # TODO: This needs to be more specific
          except Exception as e:
              msg = 'An error occurred attempting to write to {0}, the exception was {1}'.format(
                      gpt_ini_path, e)
              log.exception(msg)
              raise CommandExecutionError(msg)
      # TODO: This needs to be more specific
      except Exception as e:
          msg = 'An error occurred attempting to write to {0}, the exception was {1}'.format(policy_file_path, e)
          log.exception(msg)
          raise CommandExecutionError(msg)