A simple GUI for img2dcm: https://bitbucket.org/tfmoraes/img2dcm/
- PyQt (python-qt4 in debian repositories)
- img2dcm (see https://github.com/archeos/img2dcm/ for a patched and easy-to- package version).
You should follow PEP 8 guidelines http://www.python.org/dev/peps/pep-0008/. More precisely you must use 4 space tabs per indentation level and a maximum line lenght of 79 characters.