How to use the ledgerblue.hexParser.IntelHexArea function in ledgerblue

def addArea(self, startaddress, data, insertFirst=False):
                #self.areas.append(IntelHexArea(startaddress, data))
                if (insertFirst):
                        self.areas = [IntelHexArea(startaddress, data)] + self.areas
                else:
                        #order by start address
                        self.areas = insertAreaSorted(self.areas, IntelHexArea(startaddress, data))

if len(data) == 0:
                                continue
                        if data[0] != ':':
                                raise Exception("Invalid data at line %d" % lineNumber)
                        data = bytearray.fromhex(data[1:])                
                        count = data[0]
                        address = (data[1] << 8) + data[2]
                        recordType = data[3]
                        if recordType == 0x00:
                                if startZone == None:
                                        raise Exception("Data record but no zone defined at line " + str(lineNumber)) 
                                if startFirst == None:
                                        startFirst = address
                                        current = startFirst
                                if address != current:
                                        self._addArea(IntelHexArea((startZone << 16) + startFirst, zoneData))
                                        zoneData = b''
                                        startFirst = address
                                        current = address
                                zoneData += data[4:4 + count]
                                current += count
                        if recordType == 0x01:
                                if len(zoneData) != 0:
                                        self._addArea(IntelHexArea((startZone << 16) + startFirst, zoneData))
                                        zoneData = b'' 
                                        startZone = None
                                        startFirst = None
                                        current = None                                        
                        if recordType == 0x02:
                                        raise Exception("Unsupported record 02")
                        if recordType == 0x03:
                                        raise Exception("Unsupported record 03")

def addArea(self, startaddress, data, insertFirst=False):
                #self.areas.append(IntelHexArea(startaddress, data))
                if (insertFirst):
                        self.areas = [IntelHexArea(startaddress, data)] + self.areas
                else:
                        #order by start address
                        self.areas = insertAreaSorted(self.areas, IntelHexArea(startaddress, data))

raise Exception("Unsupported record 02")
                        if recordType == 0x03:
                                        raise Exception("Unsupported record 03")
                        if recordType == 0x04:
                                        if len(zoneData) != 0:
                                                self._addArea(IntelHexArea((startZone << 16) + startFirst, zoneData))
                                                zoneData = b'' 
                                                startZone = None
                                                startFirst = None
                                                current = None                                                
                                        startZone = (data[4] << 8) + data[5]
                        if recordType == 0x05:
                                        self.bootAddr = ((data[4]&0xFF) << 24) + ((data[5]&0xFF) << 16) + ((data[6]&0xFF) << 8) + (data[7]&0xFF)
                #tail add of the last zone
                if len(zoneData) != 0:
                        self._addArea(IntelHexArea((startZone << 16) + startFirst, zoneData))
                        zoneData = b'' 
                        startZone = None
                        startFirst = None
                        current = None                                        
                file.close()