Martin v. Löwis <martin <at> v.loewis.de> writes: > [...] > Then, class IPAddress has a method reverse_dns, which is defined > as > > def reverse_dns(self): > """The reverse DNS lookup record for this IP address""" > return self._module.int_to_arpa(self._value) > > So IPv4 addresses and IPv6 addresses share the same class, but instances > have different values of _module.
Ok, thanks for the explanation. It looks like an inheritance-based approach would allow for easier and more traditional introspection (e.g. `isinstance(ip, IPv4Address)`). Not to mention that avoiding an indirection level can make things faster. Regards Antoine. _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
