We could definately have it do the check pretty easily just by shoe
horning some stuff at the top of setup.py, actually offering to
uninstall might be more complicated, although it could probably be
done in the same way.

On Sep 16, 1:20 pm, "Karen Tracey" <[EMAIL PROTECTED]> wrote:
> We've had at least three people run into a problem (#9090) after installing
> 1.0 over an old level.  Now, we do document that before installing you
> should remove any old level.  But I find the results when you don't rather
> odd. It's not just old files renamed/deleted in the new level that wind up
> being 'leftover' in the site-packages directory. Rather, some files that
> exist in both levels, and changed between the two, are not updated by
> install.  So you wind up with a mixture of 0.96.x and 1.0 level files, which
> is pretty confusing and subject to odd failures.
>
> Does anyone know if there is something we could do to prevent this
> situation?  I'm not very familiar with Python installation procedures.  It
> seems like it would be better, though, if our installer flat-out refused to
> install over a pre-existing installation or offered to delete the
> pre-existing install before continuing with the new install.  What's the
> norm for Python packages?
>
> Karen
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