Serhiy Storchaka added the comment:
Deduplication should not be omitted. This slowed down collapsing of duplicated
addresses.
$ ./python -m timeit -s "import ipaddress; ips =
[ipaddress.ip_address('2001:db8::1000') for i in range(1000)]" --
"ipaddress.collapse_addresses(ips)"
Before f7508a176a09:
100 loops, best of 3: 13.4 msec per loop
After f7508a176a09:
10 loops, best of 3: 129 msec per loop
Proposed patch restores performance for duplicated addresses and simplifies the
code using generators.
----------
nosy: +serhiy.storchaka
resolution: fixed ->
stage: resolved -> patch review
status: closed -> open
Added file: http://bugs.python.org/file37768/ipaddress_faster_collapse3.patch
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<http://bugs.python.org/issue23266>
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