print binary data as hex string for inclusion in source code

bin_to_hex.py

# read a binary file and output it in ASCII/hex
"""
$ python3 bin_to_hex.py --infile 00_00_00_400_L01.jpg --head 20
0xff, 0xd8, 0xff, 0xe0, 0x00, 0x10, 0x4a, 0x46, 0x49, 0x46, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00,
"""
import argparse
def parse(input, max_bytes):
    i = 0
    with open(input,"rb") as f:
        while True:
            b = f.read(1)
            print("0x%s," % b.hex(), end=' ')
            i +=1
            if i >= max_bytes:
                break


if __name__ == "__main__":
    parser = argparse.ArgumentParser(description='convert binary to code style hex')
    parser.add_argument('--infile')
    parser.add_argument('--head',type=int, default= 256)
    args = parser.parse_args()
    parse(args.infile, args.head)