On Sun, Apr 13, 2008 at 12:22 PM, Carl Witty <[EMAIL PROTECTED]> wrote:
>
> On Apr 13, 12:08 pm, "William Stein" <[EMAIL PROTECTED]> wrote:
> > Unfortunately, half of the behavior above isn't defined by "a
> > mathematical software" but by the Python general purpose programming
> > language. Sage has to be
> > changed to be consistent with Python, since the other option -- changing
> > Python -- is not an option.
>
> Well, but changing the preparser could be an option. I think it would
> be reasonable to fix the preparser so that integer literals starting
> with 0 became a syntax error. (Changing the preparser so that 010
> means 10 is probably not a good idea, since that would add another
> silent incompatibility between the command line and .py files; but
> "noisy" incompatibilities aren't as bad.)
>
You're right, doing something with the preparser is possible.
But in this case
int('070') versus Integer('070')
any preparser-based solution is really scary.
And I hate adding anything to the preparser... It already is too
complicated.
-- William
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