2qdxy4rzwzuui...@potatochowder.com writes:
> I think someone said it way upthread: don't check, just do whatever you
> came to do, and it will work or it will fail (presumably, your program
> can tell the difference, regardless of a past snapshot of being able to
> retrieve data from an arbitrary URL).
>
> EAFP, anyone?
Yes, but the code being discussed is still helpful, if only for
error handling: yes, the network isn't fully up, but *why" isn't it?
while True:
try:
do_whatever_I_came_to_do()
except NetworkError:
net_config_with_good_error_detection()
Aside from error handling, it's useful in a network-up script:
when you've just enabled a network, it's good to check right then if
there's a captive portal and deal with it. If you just assume that
the first thing the user wants is to go to an http: page in a
browser, and so don't bother to check for a captive portal,
that'll be annoying for people who want to fetch IMAP mail,
or run ssh, or load an https: page.
...Akkana
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