[Python-Dev] Other library code transformations

Guido van Rossum guido@python.org
Mon, 03 Jun 2002 12:02:59 -0400


> > I'm not sure that using x+=1 instead of x=x+1 should be even a
> > recommended change.  This is a personal choice, just like using
> > True/False to indicate truth values.
> 
> But the choice only becomes available with a certain version of Python.

2.0.

> > The "is None" vs. "== None" issue is a general style recommendation,
> > not a migration tip.  This is a "should do" issue.
> 
> Right. But it wouldn't hurt to remind people in a migration guide,
> would it?

Yes it would.  A migration guide should focus on migration and leave
general style tips to other documents.

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