Wireshark hex stream to Go byte slice

rawhex2go.py

#!/usr/bin/env python3
import sys

if not sys.stdin.isatty():
    raw = sys.stdin.readline()
    raw = raw.rstrip()
else:
    raw = sys.argv[1]

if len(raw) % 2 != 0:
    print("Invalid hex sequence")
    sys.exit(1)

convert = ""
count = 0

for double in (raw[i:i+2] for i in range(0, len(raw), 2)):
    convert += "0x{}, ".format(double)
    count += 1
    if count % 16 == 0:
        convert += "\n"

print("var rawBytes = []byte{{\n{}}}".format(convert[:-2]))