[Python-ideas] Fwd: improve compatibility

Nick Coghlan ncoghlan at gmail.com
Mon Dec 22 01:27:10 CET 2014

On 22 December 2014 at 10:17, Eric V. Smith <eric at trueblade.com> wrote:

> I thought he was looking for something like the py launcher, implemented
> for Windows as PEP 397, and discussed for Linux here:
> https://mail.python.org/pipermail/python-ideas/2014-April/027633.html

I interpreted the second suggestion in light of the first one, which
included the point "-any imported py file will be able to choose which
version it wants". That's suggesting mixing and matching between versions
within the same process space, which is highly unlikely to work correctly
(except when modules are specifically designed for that, as indicated by
the availability of backported versions on PyPI).

Either way, there's a lot of prior art in this space that actually works
pretty well once you're aware of its existence, which means future
improvements are likely to come in the form of availability, usability, and
discoverability improvements for already popular approaches, rather than
introducing radical new concepts.


Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia
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