[Python-Dev] Deprecation warning on integer shifts and such

Guido van Rossum guido@python.org
Mon, 12 Aug 2002 11:57:09 -0400

> > Oops.  Darn.  You're right.  Sigh.  That's painful.  We have to add a
> > new format code (or more) to accept signed 32-bit ints but also longs
> > in range(32). 
> Rather than inventing something new to be compatible to the existing
> old status quo, I'd rather like to see new format codes for unsigned
> integers and/or longs and have the existing ones support the new
> status quo.

That's okay too.  The function could be PyInt_AsUnsignedLong().  It
could convert negative 32-bit ints to unsigned as a backward
compatibility measure (with warning?) that will eventually disappear.

The format code could be 'I' for unsigned int, but I don't know what
to use for unsigned long.  Or perhaps still use 'k'/'K' for masK?

--Guido van Rossum (home page: http://www.python.org/~guido/)