[Numpy-discussion] Numpy and the old scipy
strawman at astraw.com
Fri Jan 13 19:17:01 CST 2006
Python eggs also support runtime version selection. It's possible we may
need to backport egg support to old scipy, but it already works great with
new numpy/scipy. I'd suggest this over re-implementing another wheel.
> Travis Oliphant wrote:
>> In order to install new and old scipy you will definitely need to
>> install one of them to another location besides site-packages (probably
>> new scipy).
>> Then you will need to make sure your sys.path is set up properly to find
>> the scipy you are interested in using for that session.
> It sounds like SciPy could use a versioning scheme much like wxPythons:
> import wxversion
> import wx
> In fact, you could probably just grab the wxPython code and tweek it a
> little for SciPy.
> This was debated a lot on the wxPython lists before being implemented.
> After all you could "Just" write a few start-up scripts that manipulate
> PYTHONPATH, or re-name some directories, or put in a few sym links,
> or, or, or... Also, ideally wxPython major versions are compatible, etc,
> However, when all was said and Dunn, this is a very nice system that
> works the same way on all platforms, and doesn't get in the way of
> anything. New versions get installed as the default, so if you never use
> wxversion, you never know it's there. If you do, then you can test new
> versions without having to break any old, running utilities, etc.
> Also, the infrastructure is in place for future major version changes,
> Christopher Barker, Ph.D.
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