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Thu Aug 20 20:11:00 CEST 2009 · https://mail.python.org/pipermail/python-dev/2009-August/091276.html

On Thu, Aug 20, 2009 at 6:46 AM, Jeroen Ruigrok van der
Werven<asmodai at in-nomine.org> wrote:
> -On [20090818 22:15], Peter Moody (peter at hda3.com) wrote:
>>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.
>>
>>the pep can be found here:
>>
>>  http://www.python.org/dev/peps/pep-3144/
>
> No chance at the moment to test/look through the code, so please excuse any
> obvious ones, I'm basing my comments on the PEP.
>
> Some elaboration on handling ipv4 mapped addresses would be nice, e.g.
> ::ffff:c000:280 and/or ::ffff:192.168.0.128
>
> Some IPv6 examples would also help the PEP I think. Especially on how 0
> compression is handled in addresses.
>
> Maybe show ipv4 examples on non-class boundaries, e.g. /23 instead of /24,
> so people are more convinced it handles CIDR properly.
>
> Clarification on whether this library will support converting a sequence of
> networks into another sequence where the networks which comprise consecutive
> netblocks will be collapsed in a new entry. E.g. 2 /24s that are neighbours
> will be represented as one /23.
>
> I realise some might be answered by the last paragraph of your PEP, but it
> would be nice to know what you consider essential and what not.

I've updated the pep with lots of examples; most of the stuff you're
asking for is already supported, I just didn't do a good job
explaining it. A few things are pending review.

Cheers,
/peter

> --
> Jeroen Ruigrok van der Werven <asmodai(-at-)in-nomine.org> / asmodai
> イェルーン ラウフロック ヴァン デル ウェルヴェン
> http://www.in-nomine.org/ | http://www.rangaku.org/ | GPG: 2EAC625B
> They have learned nothing, and forgotten nothing...
>

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IP Address Manipulation Library for the Python Standard Library