[Python-Dev] PEP 3147 ready for pronouncement and merging (original) (raw)

Barry Warsaw barry at python.org
Fri Apr 16 18:02:20 CEST 2010

On Apr 15, 2010, at 08:01 PM, Guido van Rossum wrote:

Comments inline. Nothing showstopping, mostly just spewing obscure background information...

Overall, congratulations! I'm fine with the implementation going in and the PEP being marked as accepted as long as you get to the clarifications I suggest below soon after.

Awesome, thanks Guido! I will respond in detail and address your clarifications before I commit to the py3k branch. I wanted to address one thing now though since Steve responded to it.

Implementation strategy =======================

This feature is targeted for Python 3.2, solving the problem for those and all future versions.  It may be back-ported to Python 2.7. Is there time given that 2.7b1 was released?

I think this would be totally up to Benjamin as the RM for 2.7. Although I haven't tried yet, my sense of it is that most of the patch would port pretty easily to trunk. I could probably generate a patch for review by mid-next week.

Whether it should or not is a different matter. Given that we're in beta, I'm not sure I would approve it if I were the RM, but as the developer, sure, I'd love to back port it. :)

However...

Vendors are free to backport the changes to earlier distributions as they see fit.

...Steve asks if we're really going to do this. For Debian and/or Ubuntu, we haven't yet decided. I plan to begin that discussion on the appropriate distro-related mailing lists after the code lands on py3k. It certainly won't be enabled by default.

I don't think we've made any decisions about which versions of Python will make it into the next release of Ubuntu about 6 months from now, but given the Python release schedule, that could be 2.6, 2.7 and 3.1. If we really do include all three versions, I will push for backporting the feature (enabled with -Xcachedir) in our releases so that we can gain the benefit of ditching the symlink farms as soon as possible.

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