code: def MGMT_ACTIVE_GET(self, Addr='', TLVs=[]):
          
          print '%s call MGMT_ACTIVE_GET' % self.port
          try:
  
              cmd = WPANCTL_CMD + 'dataset mgmt-get-active'
  
              if len(TLVs) != 0:
                  tlvs = "".join(hex(tlv).lstrip("0x").zfill(2) for tlv in TLVs)
                  setTLVCmd = WPANCTL_CMD + 'setprop Dataset:RawTlvs ' + tlvs
                  if self.__sendCommand(setTLVCmd)[0] == 'Fail':
                      return False
              else:
                  if self.__sendCommand(WPANCTL_CMD + 'dataset erase')[0] == 'Fail':
                      return False
  
              if Addr != '':
                  setAddressCmd = WPANCTL_CMD + 'setprop Dataset:DestIpAddress ' + Addr
                  if self.__sendCommand(setAddressCmd)[0] == 'Fail':
                      return False
  
              print cmd
  
              return self.__sendCommand(cmd)[0] != 'Fail'
  
          except Exception, e:
              ModuleHelper.WriteIntoDebugLogger('MGMT_ACTIVE_GET() Error: ' + str(e))
docs: send MGMT_ACTIVE_GET command
  
          Returns:
              True: successful to send MGMT_ACTIVE_GET
              False: fail to send MGMT_ACTIVE_GET