python script for uploading program to FAP computer

FAP_uploader.py

import sys
import time
import serial

ser = serial.Serial(sys.argv[1], 115200, timeout=0.5) 
print("connected")

def read_eep(addr):
	while 1:
		print("reading addr " + str(addr) + "...")
		ser.write(('r ' + str(addr) + '\r\n').encode())
		result = ser.readline().decode().replace('\r\n', '')
		try:
			if result.startswith("rd:"):
				result = result.lstrip('rd:').split(',')
				if int(result[0].split("a=")[1]) != addr:
					print("eepread: address mismatch")
					continue
				return int(result[1].split("d=")[1])
		except Exception as e:
			print("--------------- read exception -------------")
			print(e)
			print("----------")
			continue
		print("read timeout, retrying..")

def write_eep(addr, data):
	while 1:
		print("writing addr " + str(addr) + " " + str(data))
		ser.write(('w ' + str(addr) + " " + str(data) + '\r\n').encode())
		result = ser.readline().decode().replace('\r\n', '')
		try:
			if result.startswith("wr:"):
				result = result.lstrip('rd:').split(',')
				if int(result[0].split("a=")[1]) != addr:
					print("eepwrite: address mismatch")
					continue
				if int(result[1].split("d=")[1]) != data:
					print("eepwrite: data mismatch")
					continue
				return
		except Exception as e:
			print("--------------- read exception -------------")
			print(e)
			print("----------")
			continue
		print("write timeout, retrying..")

def zero_eeprom():
	print("zeroing EEPROM...")
	ser.write(('z\r\n').encode())
	while 1:
		result = ser.readline().decode().replace('\r\n', '')
		if "zero complete" in result:
			print("done")
			return

zero_eeprom()
start_addr = 0
with open(sys.argv[2], "rb") as f:
    while 1:
        byte = f.read(1)
        if byte == b"":
        	break
        print(byte[0])
        write_eep(start_addr, byte[0])
        start_addr += 1;