Steven D'Aprano wrote: > I have a byte string (Python 2.x string), e.g.: > > s = "g%$f yg\n1\05" > assert len(s) == 10 > > I wish to convert it to a long integer, treating it as base-256. > Currently I'm using: > > def makelong(s): > n = 0 > for c in s: > n *= 256 > n += ord(c) > return n > > > which gives: > >>>> makelong(s) > 487088900085839492165893L > > > Is this the best way, or have I missed some standard library function?
The pickle module uses >>> import binascii >>> s = "g%$f yg\n1\05" >>> long(binascii.hexlify(s), 16) 487088900085839492165893L Peter -- http://mail.python.org/mailman/listinfo/python-list
