[Python-Dev] PEP 3144: IP Address Manipulation Library for the Python Standard Library

Eric Smith eric at trueblade.com
Wed Aug 19 17:39:27 CEST 2009

Peter Moody wrote:
> On Wed, Aug 19, 2009 at 3:20 AM, Antoine Pitrou<solipsis at pitrou.net> wrote:
>> Le Tue, 18 Aug 2009 13:00:06 -0700, Peter Moody a écrit :
>>> Howdy folks,
>>> I have a first draft of a PEP for including an IP address manipulation
>>> library in the python stdlib. It seems like there are a lot of really
>>> smart folks with some, ahem, strong ideas about what an IP address
>>> module should and shouldn't be so I wanted to solicit your input on this
>>> pep.
>> When you say :
>> « the results of the first computation should be cached and only
>> re-generated should the object properties change »
>> does it mean that the objects are mutable? Would it make sense to make
>> them immutable and therefore hashable (such as, e.g., datetime objects)?
> that's a good point. I'll implement __hash__ in the BaseIP class.

But are the objects mutable? I haven't had time to deep dive on this 
yet, but I'd like to. I also use IPy and would like to some this in the 


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