python str byte hex

def ByteToHex( bins ):
    """
    Convert a byte string to it"s hex string representation e.g. for output.
    """

    return "".join( [ "%02X" % x for x in bins ] ).strip()

def HexToByte( hexStr ):
    """
    Convert a string hex byte values into a byte string. The Hex Byte values may
    or may not be space separated.
    """

    return bytes.fromhex(hexStr)

测试

>>> hexStr2  = "FF FF FF 5F 81 21 07 0C 00 00 FF FF FF FF 5F 81 29 01 0B"
>>> hexStr2
"FF FF FF 5F 81 21 07 0C 00 00 FF FF FF FF 5F 81 29 01 0B"

bytes.fromhex(hexStr2)
b"xffxffxff_x81!x07x0cx00x00xffxffxffxff_x81)x01x0b"