New submission from Sanjay:
The less than check for ip_interface behavior seems weird. I am not sure if
this is by design. We are just comparing the network address but when network
address is equal we should compare the ip address.
The expectation is if a < b is False then b <= a must be True
>>> import ipaddress
>>> a = ipaddress.ip_interface("1.1.1.1/24")
>>> b = ipaddress.ip_interface("1.1.1.2/24")
>>> a < b
False
>>> b <= a
False
>>> a == b
False
>>>
This happens with both v4 and v6
The tests were passing because in ComparisonTests we were testing with prefix
length of 32 which means the whole ip address became the network address.
I have made a fix here:
https://github.com/s-sanjay/cpython/commit/14975f58539308b7af5a1519705fb8cd95ad7951
I can add more tests and send PR but before that I wanted to confirm the
behavior.
----------
components: Library (Lib)
messages: 290695
nosy: Sanjay, ncoghlan, pmoody, xiang.zhang
priority: normal
severity: normal
status: open
title: ipaddress.ip_interface __lt__ check seems to be broken
type: behavior
versions: Python 3.7
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue29931>
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