[Python-Dev] Re: Python-checkins digest, Vol 1 #370 - 8 msgs

[Guido van Rossum]

> > > > *** INCOMPATIBLE CHANGE: This changes append(), remove(), index(), and
> > > > *** count() to require exactly one argument -- previously, multiple
> > > > *** arguments were silently assumed to be a tuple.
> > >
> > > Not sure about remove(), index() and count(), but the change
> > > to .append() will break *lots* of code !
> > 
> > Agreed.  But 1.6 is as good a point to break it as any -- what's the
> > point in putting this off?  This isn't big enough to wait for 2.0.  I
> > could've done it in the 1.5.x series, but decided not to.
> 
> Hmm, I'd say it doesn't hurt leaving .append() as it is until
> 2.0. This small change will cause lots of trouble because it's
> hard to find (just like the x = 2L; print x[:-1] thingie, btw)...
> even though it's easy to fix.

Sigh.  It will be just as hard to fix later...  I'd really like to
take a hard line stance on this one.  After all the docs are quite
clear.

> Note: the CVS cgi.py uses list.append(x,y) too.

Already fixed in CVS.

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