I recently decided to sit down and finally port Shed Skin, an experimental restricted-Python-to-C++ compiler in the works since 2005 or so, to Python3. Three painful months and a total diff of 50k lines later, everything now works with Python3 (Shed Skin itself, and all tests and examples..) This does not mean that every Python3 feature is supported, but what was there now at least works fine with Python3.. For example, unicode is still restricted to 1-byte characters, and there is no support (y...