How to convert signed 32-bit int to unsigned 32-bit int?

python integer unsigned signed type-conversion
Claudiu picture Claudiu · May 9, 2013 · Viewed 30.3k times · Source

This is what I have, currently. Is there any nicer way to do this?

import struct
def int32_to_uint32(i):
    return struct.unpack_from("I", struct.pack("i", i))[0]

Answer

martineau picture martineau · May 9, 2013

Not sure if it's "nicer" or not...

import ctypes

def int32_to_uint32(i):
    return ctypes.c_uint32(i).value

Related questions

How to convert signed to unsigned integer in python

Let's say I have this number i = -6884376. How do I refer to it as to an unsigned variable? Something like (unsigned long)i in C.

Read More
How do I parse a string to a float or int?

In Python, how can I parse a numeric string like "545.2222" to its corresponding float value, 545.2222? Or parse the string "31" to an integer, 31? I just want to know how to parse a float str to a float, and (separately) an int …

Read More
Converting integer to string in Python

I want to convert an integer to a string in Python. I am typecasting it in vain: d = 15 d.str() When I try to convert it to string, it's showing an error like int doesn't have any attribute called str.

Read More