[Python-Dev] PEP 3144 review. (original) (raw)

Antoine Pitrou solipsis at pitrou.net
Mon Sep 28 08:51:03 CEST 2009


Martin v. Löwis <martin v.loewis.de> writes:

> Could you explain what benefit there is for allowing the user to create > network objects that don't represent networks? Is there a use-case > where these networks-that-aren't-networks are something other than a > typo? Under what circumstances would I want to specify a network as > 192.168.1.1/24 instead of 192.168.1.0/24? > [...] So Python code has to make the computation, and it seems most natural that the IP library is the piece of code that is able to compute a network out of that input.

The thing is, it doesn't create a network, it creates a hybrid "network plus host" which retains knowledge about the original host (that is, 192.168.1.1 rather than simply 192.168.1.0, if you enter "192.168.1.1/24").

That's what the OP meant with "networks-that-aren't-networks", and that's what people are objecting to.

Regards

Antoine.



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