Terry J. Reedy added the comment: Such a list might differentiate between classes that are intentionally not subclassed and those for which subclassing simply has not yet been enabled. That might help eliminate the latter list.
When I suggested on the python-ideas 'range' thread that people should best get what they wanted with a range subclass, if that were made possible, Nick C. replied "I wasn't even aware you *couldn't* subclass it (I'd never tried).". Indeed, why would he with no doc. The types module doc could also use an addition. Attached subclassable.py produces these lists: Among named builtin classes, these cannot be subclassed: bool, memoryview, range, slice, Among types classes, these can be subclassed: ModuleType, SimpleNamespace, ---------- Added file: http://bugs.python.org/file29216/subclassable.py _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue17279> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
