urlopen(self.url+"/list/"+self.username+"/"+self.password)
>.What?Basically you need to run this over SSH or SSL to obtain any kind of security. Dropbox has security out of the box.
Dropbox also has: A GUI, a website UI, conflict resolution, support for folders, local sync. The list goes on.
As others say, this is very, very, very immature and incomplete.
I'd rather use Dropbox. Or `rsync`.