On Thu, May 6, 2010 at 6:50 PM, A.M. Kuchling <a...@amk.ca> wrote:
> FYI: I've just added the text below to the "What's New" document for
> 2.7. I wanted to describe how 2.7 will probably be maintained, but
> didn't want to write anything that sounded like an iron-clad guarantee
> of a maintenance timespan. Does this text seem like a reasonable set
> of statements?
>
> --amk
>
> Python 2.7 is intended to be the last major release in the 2.x series.
> Though more major releases have not been absolutely ruled out, the
I would scrap the "Though more ... ruled out" part. That just stokes
unrealistic hopes. :-)
> Python maintainers are planning to focus their efforts on Python 3.x.
>
> This means that 2.7 will remain in place for a long time, running
> production systems that have not been ported to Python 3.x.
> Two consequences of the long-term significance of 2.7 are:
>
> * It's very likely the 2.7 release will have a longer period of
> maintenance compared to earlier 2.x versions. Python 2.7 will
> continue to be maintained while the transition to 3.x is in
> progress, and that transition will itself be lengthy. Most 2.x
> versions are maintained for about 4 years, from the first to the
> last bugfix release; patchlevel releases for Python 2.7 will
> probably be made for at least 6 years.
>
> * Because 2.7 will be running production applications, a policy
> decision was made to silence warnings only of interest to developers
> by default. Silencing :exc:`DeprecationWarning` and its descendants
> prevents users from seeing warnings triggered by an application.
> (Carried out in :issue:`7319`.)
>
> You can re-enable display of :exc:`DeprecationWarning` messages by
> running Python with the :option:`-Wdefault` (short form:
> :option:`-Wd`) switch, or you can add
> ``warnings.simplefilter('default')`` to your code.
All this sounds fine to me. Thanks for taking the time to write this!
--
--Guido van Rossum (python.org/~guido)
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