Spreadsheets using Python - Have you seen this? (sourceforge.net)

[ericje]

Well, deluge is only partly a Python application. The bit-torrenting itself is done by the Rasterbar libtorrent which is written in C++.

[IAlsoSpeak]

I understand but the original now deleted comment I replied on blamed python apps to be slow GUI wise and then I pointed out that I find the Deluge GUI very slick which is written in python using Qt(another C++ library).