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Date: Tue, 14 Jan 2014 20:35:21 +0900
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Subject: manage libraries for multiple parallel python versions
From: till plewe <till.plewe@gmail.com>
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Are there any simple (stable) methods to manage python libraries for
multiple python versions in parallel?

What I have in mind is something like:

$ setenv PYTHON_VERSIONS "2.7,3.2,3.3"
$ cd /usr/ports/devel/py-ply
$ make install clean

installing three separate versions of py-ply.

- Till