[issue28009] core logic of uuid.getnode() needs refresh

[Michael Felt]

Michael Felt <aixtools at felt.demon.nl> added the comment:

On 14/07/2019 22:28, Tal Einat wrote:
> Tal Einat <taleinat at gmail.com> added the comment:
>
>>> The current code and proposed changes use 'netstat -ia' to find the node however if netstat needs to perform a reverse DNS query to resolve some interfaces this makes using uuid1 *really* slow especially when reverse DNS queries aren't set up correctly or timeout.
>>>    mac = _find_mac_netstat('netstat', '-ia', b'Address', lambda i: i)
>>>
>>> Would it be possible to change the netstat call to add 'n' to the nestat options, i.e. _find_mac_netstat('netstat', '-ian', ...) to prevent netstat from attempting to resolve addresses?
>> Sounds like an excellent idea. Gives me a reason to get started again. Thx!
> I don't see this in PR GH-28009; should this change be made?
I am testing with "-ian" - on top of the changes you have already made.
I'll push asap, assuming all goes well.
>
> ----------
> nosy: +taleinat
>
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> <https://bugs.python.org/issue28009>
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