Antoine Pitrou writes: > > An IPv4Address with 'network' and 'mask' attributes that could be > > None would also not complicate the API, IMO, and would handle both > > of these use cases. > > But it would be confusing and conceptually bizarre, because an address (in > usually accepted terminology) doesn't have a network and a mask.
It doesn't need a mask attribute because the network knows that. OTOH, it would be useful for an address to be able to cache the network it is a member of, because the object that represents a particular network should be unique. That means a lookup in a table, and possibly constructing a new IPv4Network object to represent the anwser if false, if you are given a netmask and asked to deduce *the* network. And addresses do, implicitly, have a network. Otherwise the're useless!<0.5 wink> _______________________________________________ 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
