[ros-users] crash importing opencv on mac python

[Ken Conley]

Hi Tom,

Thanks for the virtualenv pointer. We'll add it to the mix of things to
evaluate for OS X.

 - Ken

On Mon, May 10, 2010 at 10:47 AM, Tom Panzarella <tpanzarella at gmail.com>wrote:

> >
> > One of the things that's being debated for C-Turtle is how to
> > package Python this time around. The options are:
> >
> > 1) status quo: py25-* packages via MacPorts
> > 2) py26-* packages via MacPorts
> > 3) easy_install for all Python packages, use system installation of
> > Python
> >
> > I'm starting to lean towards #3, based on the fact that I've
> > experienced numerous Python regressions with the MacPorts packages
> > (e.g. ipython and readline), but feedback is always welcome. I would
> > like a solution that works well with both 10.5 and 10.6, though the
> > large discontinuity between those OSX releases makes maintaining
> > both difficult (even from a Python perspective).
>
> Ken,
>
> Another option is to use virtualenv (with the --no-site-packages
> option) to package python with ROS then use easy_install to install
> python packages into that python environment. This essentially allows
> you to dedicate a python to ROS and insulate ROS from any issues with
> other pythons installed on the host. If you are not familiar with
> virtualenv, you can read about it / get it from here:
> http://pypi.python.org/pypi/virtualenv
>
> Thanks,
> Tom.
>
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