[Python-3000] Lazy strings (was Re: Py3k release schedule worries)

[Guido van Rossum]

On 1/11/07, Larry Hastings <larry at hastings.org> wrote:
>
> I've just posted my first pass of the full "lazy strings" patch, with
> both "lazy concatenation" and "lazy slices".  It's available on
> Sourceforge here:
>
> https://sourceforge.net/tracker/?func=detail&atid=305470&aid=1629305&group_id=5470

I'll try to look at it ASAP!

> It applies cleanly (with "patch -p1") against the current revision of
> the Py3k branch, #53392.  The resulting tree builds as cleanly as an
> unpatched Py3k, on both Win32 and Linux, and the output from the
> regression tests is also unchanged.
>
> As discussed on that page, the current version of the patch could cause
> crashes in low-memory conditions.  I welcome suggestions on how best to
> resolve this problem.  Apart from that fly in the ointment I'm pretty
> happy with how it all turned out.

What kind of crashes? The right thing to do is to raise MemoryError.
Is there anything besides sheer will power that prevents that?

> In case it's of interest, I'm using a local revision control system to
> track my changes.  It makes working with a read-only Subversion
> repository much easier; in particular it makes generating patches and
> updating to new revisions of Python a snap.  I blogged about it here:
>     http://www.momentaryfascinations.com/
> And that's all I'm gonna say about that.

Yes, I've heard good things about Mercurial.

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