On Tue, Sep 13, 2016 at 12:03 AM, Rob Cliffe <rob.cli...@btinternet.com> wrote: > Assuming you can't break existing code that already traps TypeError, > AttributeError, etc., I don't see how you can do this without > having separated kinds of NoneError which were subclasses of TypeError, > AttributeError, etc.
class NoneError(Exception): pass class TypeNoneError(TypeError, NoneError): pass class AttributeNoneError(AttributeError, NoneError): pass Now you can catch NoneError to catch None.xyz, or AttributeError to catch foo.xyz for any foo. I don't think it's good, but it's possible. ChrisA _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
