[Python-Dev] Fwd: 2.x vs 3.x survey results

Eli Bendersky eliben at gmail.com
Sun Jan 5 19:16:01 CET 2014

---------- Forwarded message ----------
From: Antoine Pitrou <solipsis at pitrou.net>
Date: Sun, Jan 5, 2014 at 9:32 AM
Subject: Re: [Python-Dev] 2.x vs 3.x survey results
To: python-dev at python.org

On Sun, 5 Jan 2014 11:23:45 -0600
Brian Curtin <brian at python.org> wrote:
> On Sun, Jan 5, 2014 at 3:08 AM, Lennart Regebro <regebro at gmail.com> wrote:
> > On Sun, Jan 5, 2014 at 5:20 AM, John Yeuk Hon Wong
> > <gokoproject at gmail.com> wrote:
> >> I think it helps Luca and many others (including myself) if there is a
> >> reference of the difference between 2.7 and Python 3.3+.
> >
> > Not specifically for 2.7 and 3.3, no. This is a fairly complete list:
> >
> > http://python3porting.com/differences.html
> >
> >> There are PEPs and books, but is there any such long list of
> >>
> >> If not, should we start investing in one? I know the basic one such as
> >> xrange and range, items vs iteritems, izip vs zip that sort of uniform
> >> syntax/library inclusion difference.
> >>
> >> If there is such reference available?
> >
> > I'm honestly despairing that people still don't know that there is a
> > free book on the topic. I have no idea how to increase the knowledge
> > on this point.
> I think we collectively need better SEO, or something like that.
> Python 3 would be in a better place if people actually knew the
> current state of things, versus asking people on "Hacker News".

Perhaps there should be a porting guide as a prominent chapter in
http://docs.python.org/3/ ?

The (incognito) Google query "porting from python 2 to 3" pops up this as
the first result:


2nd place is the wiki.python.org page; 3 & 4 are from Lennart's book.

So the SEO is fine, it seems - at least in this case. Similar queries
provide similar results. If anyone comes up with a resonable query that
gives bad results, we can do some lightweight SEO on it by adding a few
links here and there.

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