[vtk-developers] New setup.py for vtk-python!

[Prabhu Ramachandran]

hi,

I've just committed the first version of a distutils based setup.py.in
into the repository.  

  1. Update your tree and re-run cmake to generate the actual
  setup.py.  

  2. Build VTK and then run make install.

  3. *After you do make install* cd to Wrapping/Python and run
     python setup.py install

This should hopefully install VTK-Python in the right places.

What it does:

  1. Installs the stuff in Wrapping/Python into
  sys.prefix/lib/pythonX.Y/site-packages/vtk_python/

  I've deliberately chosen vtk_python because it will avoid potential
  problems with names like vtkpython.py etc.

  2. Adds a vtk.pth in 
    sys.prefix/lib/pythonX.Y/site-packages/

  3. Under *nix make symlinks in
  sys.prefix/lib/pythonX.Y/site-packages/vtk_python/ that point to
  ${CMAKE_INSTALL_PREFIX}/lib/vtk/libvtk*Python*.so. 

  Under Win32 the vtk*Python*.dll's will be copied into the
  sys.prefix/lib/pythonX.Y/site-packages/vtk_python/ directory.

  4. Installs vtkpython/vtkpython.exe into sys.prefix/bin/ (I dont
  know the equivalent directory under win32).

I've tested it on my Linux system and it seems to work fine.  Please
do test it out.

Once this is tested and everyone is happy, the CMakeLists.txt files
must be modified so that if the platform is not Win32 the
libvtk*Python* are not installed by make install.  I will need help
with that since I'm no CMake expert.

cheers,
prabhu

p.s. I have no clue on the name of the libvtk*Python libraries under
Mac OSX.  If the libraries dont match libvtk*Python*.so then I'd need
to modify the setup appropriately.  Again feedback is appreciated.