How to encode string to bytes in python? [duplicate]

Question

I want to take an integer, that will be between 0 and 255, convert that to a hex string eg. '\xff' and then cast that to bytes to end up with b'\xff'. I had assumed that the following would work.

data_num = 255
data = chr(data_num)
data_byte = data.encode()

Any help would be appreciated

What have you tried to achieve your wanted results? What has your research concerning your problem shown? Can you provide code of your tries? How do I ask a good question, How much research effort is expected and How to create a Minimal, Complete, and Verifiable example might be helpful to improve your question. — Geshode
– Geshode, Commented Jan 12, 2018 at 13:12

Sqoshu · Accepted Answer · 2018-01-12 13:20:44Z

2

Did you consider using the built-in hex function?

data = hex(255)
data = data.encode()
print(data, type(data))

Output:

b'0xff' <class 'bytes'>

answered Jan 12, 2018 at 13:20

Sqoshu

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1 Comment

Christopher Ryan Over a year ago

The problem with this is that b'0xff' has a length of 4, for my purposes I need the output to be exactly b'\xff'

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