Re: What does python 3000 mean for zope?

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Lennart Regebro wrote:
> A bit late post, but here is my thoughts on the subject.
> 
> As it looks right now, It will be virtually impossible to write code
> that works under both Python 3.0 and Python 2.x. This has a huge
> impact on Zope, because Zope as a framework does not only have a huge
> codebase in itself, but an even huger codebase of third-party
> products.
> 
> If it isn't possible to write code that works under both 2.x and 3.0,
> that means that all of the codebase must be moved simulatneously. Even
> if we made a version of Zope that works under Python 3, most
> third-party product would not run under Python 3.
> 
> In effect, if we port Zope to Python 3, we then have *four*
> incompatible code bases. Zope 2 for Python 2 and Zope 2 for Python 3
> and Zope 3 for Python 2 and Zope 3 for Python 3.
> 
> This is not only completely unmaintainable, it's never going to
> happen. I can possibly see Zope 3 moving to Python 3, the Zope 3
> community is still small enough and well organized and tight enough
> for this to work. But it has to be pointed out that any Zope 3 module
> that isn't also ported will be unusable.
> 
> I do not see how Zope 2 will ever be ported to Python 3, because doing
> so would break all the thousands of third-part products out that that
> doesn't get ported at the same time. This of course means that Plone
> will never get ported to Python 3. Which in fact means that one of the
> most successful and biggest users of Python will never move to Python
> 3. And it also means that anybody that is today using Zope 3 and
> hoping for The plone.* modules to continue to contribute to Zope 3,
> will see that effort virtually die if we port Zope 3 to Python 3.
> 
> I'm hoping that Guido will see the errors of his ways, and introduce a
> Python 2.7 that has more forwards compatibility than what has been
> promised for 2.6, so that there can be a useable overlap between
> Python 2.7 and 3.0. Maybe a 3.1 with some more backwards compatibility
> will be needed to, I don't know.
> 
> Just my 2 cents.

Amen, brother.  "From you lips to [Guido's] ears."


Tres.
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Tres Seaver          +1 540-429-0999          [email protected]
Palladion Software   "Excellence by Design"    http://palladion.com
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