Best way to convert sequence of bytes to long integer
stefan_ml at behnel.de
Wed Jan 20 08:56:48 CET 2010
Steven D'Aprano, 20.01.2010 08:36:
> I have a byte string (Python 2.x string), e.g.:
> s = "g%$f yg\n1\05"
> assert len(s) == 10
> I wish to convert it to a long integer, treating it as base-256.
> Currently I'm using:
> def makelong(s):
> n = 0
> for c in s:
> n *= 256
> n += ord(c)
> return n
> which gives:
> Is this the best way, or have I missed some standard library function?
Have you checked if the struct module offers anything here?
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