netwatch.py/netaddr-0.7.10/netaddr/tests/2.x/ip/binops.txt

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=Binary and numerical operations on IP addresses=
Copyright (c) 2008-2012, David P. D. Moss. All rights reserved.
{{{
>>> from netaddr import *
}}}
==Addition and Subtraction with integers ==
{{{
>>> IPAddress('192.0.2.0') + 1
IPAddress('192.0.2.1')
>>> 1 + IPAddress('192.0.2.0')
IPAddress('192.0.2.1')
>>> IPAddress('192.0.2.1') - 1
IPAddress('192.0.2.0')
>>> 1 - IPAddress('192.0.2.1')
Traceback (most recent call last):
...
IndexError: result outside valid IP address boundary!
}}}
==Binary operations==
{{{
>>> IPAddress('192.0.2.15') & IPAddress('255.255.255.0')
IPAddress('192.0.2.0')
>>> IPAddress('255.255.0.0') | IPAddress('0.0.255.255')
IPAddress('255.255.255.255')
>>> IPAddress('255.255.0.0') ^ IPAddress('255.0.0.0')
IPAddress('0.255.0.0')
}}}