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Mon Sep 28 13:48:47 CEST 2009 · https://mail.python.org/pipermail/python-dev/2009-September/092202.html

R. David Murray wrote:
> The fundamental divide here is between two behaviors.
> 
> ipaddr:
> 
>     >>> x = IPv4Network('192.168.1.1/24')
>     >>> y = IPv4Network('192.168.1.0/24')
>     >>> x == y
>     False
>     >>> x.ip
>     IPv4Address('192.168.1.1')
> 
> desired:
> 
>     >>> x = IPv4Network('192.168.1.1/24')
>     >>> y = IPv4Network('192.168.1.0/24')
>     >>> x == y
>     True
>     >>> x.ip
>     Traceback (most recent call last):
>       File "<stdin>", line 1, in <module>
>     AttributeError: 'IPv4Network' object has no attribute 'ip'
> 
> Everything else is pretty much bikeshedding and can be dealt with.  This
> is fundamental and Peter has indicated he will not change it.

I think that's an excellent summary, David. And I'm -1 unless it changes 
to the "desired" behavior above.

Eric.

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[Python-Dev] PEP 3144 review.