this is cpp files so you need cpp compiler.
Then you would open the qiron.pro and compile it all.
It would produce some DLLS in the plugin folder.
Those should be copied to the plugin folder in QtCreator.
Note: the source is for older Qt 4.6 so it might have compile
errors u need to fix if using newer Qt.
I'm not sure why nobody replied before me. Maybe most users here are C++ devs and not too familiar with Python? I found your post because you tagged it with "pyqt" and I have some experience with it, so I thought I'd try helping someone while waiting for a reply to my own problem ;)
Anyway, I'm glad your issue is solved. If you can, mark the topic as solved, by editing the subject of your first post and adding [SOLVED] in front of it!
Thank you so much Mcosta for introducing PyCharm IDE, very nice IDE. Now I got confused on should I go for Qt Creator or PyCharm but hope will it support for VTK and won't create any issue on working with it (only if you know about vtk..)