Python bytes increment

Question

type(request)

return 'bytes',

type(request[5])

returns 'int' When I try to this

request[5] = request[5] + 1

I get this error:

    request[5] = request[5] + 1
TypeError: 'bytes' object does not support item assignment

How to increase "1" this member of bytes ?

Note that representing individual bytes as numbers is merely a throwback to earlier models of working with raw data. Individual bytes do not represent actual numbers on which numeric operations make sense – for example, b"\xff"[0]+1 does not produce valid bytes data. Is there a reason why you need to perform such operations? — MisterMiyagi
– MisterMiyagi, Commented Mar 8, 2021 at 12:22
Does this answer your question? Item assignment to bytes object? — Reti43
– Reti43, Commented Mar 8, 2021 at 12:25
request = request[:5] + bytes((request[5] + 1,)) + request[6:] — Olvin Roght
– Olvin Roght, Commented Mar 9, 2021 at 7:23

Frank · Accepted Answer · 2021-03-08 12:15:34Z

4

What you want to do is to change the value of a byte type data. byte can NOT be modified. But you can modified it after making it into a bytearray. To do so:

by = b'abcd\x65'
print(b'abcde')
print(type(by))
# b'abcde'
# <class 'bytes'>
bytearray(b'bbcde')
barr = bytearray(by)
print(barr[0])
print(type(barr[0]))
# 97
# <class 'int'>
barr[0] = barr[0]+1
print(barr)
# bytearray(b'bbcde')

answered Mar 8, 2021 at 12:15

Frank

1,24912 silver badges23 bronze badges

Sign up to request clarification or add additional context in comments.

Collectives™ on Stack Overflow

Python bytes increment

1 Answer 1

Comments

Your Answer

Linked

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

Comments

Your Answer

Sign up or log in

Post as a guest

Linked

Related