installing Mayavi with pip - no module named vtk

Question

I want to use Mayavi.

Situation

• I use a MacBook Air, with OSX 10.7.3.
• I use Python 2.7.2
• I have virtualenv installed.

Answer 1

I'm on Debian but this should work for you as well

I was stuck with installing vtk into a virtualenv, after hours of search with no results I did the following and it worked.

1. install python-vtk from repositories systemwide

2. copy vtk folder from /usr/lib/pymodules/python2.7 to /PATH/TO/YOUR/VIRTUALENV/lib/python2.7/site-packages

In your case the system-wide python packages folder would probably be different but you can easily find it by firing up system python and entering the following:

import vtk,sys
print(sys.modules['vtk'])

After this trick mayavi was succesfully installed into my virtualenv using pip install mayavi and pip install envisage.

Edit: instead of copying it might better to just symlink the folder in step 2