IP address to binary conversion

[Rikard Bosnjakovic]

Jeroen Wolff wrote:

> Is there a way back to present the calculated results in a doted
> decimal notation?

Greg's code:

>>> import socket, struct
>>> ip = "192.168.2.1"
>>> q = ip.split(".")
>>> n = reduce(lambda a,b: long(a)*256 + long(b), q)
>>> n
3232236033L

Back to dotted:

>>> socket.inet_ntoa(struct.pack('!I', n))
'192.168.2.1'

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