atexit.register in case of errors
Thomas Rachel
nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915 at spamschutz.glglgl.de
Wed Feb 15 10:18:30 EST 2012
Am 15.02.2012 14:52 schrieb Devin Jeanpierre:
> On Wed, Feb 15, 2012 at 8:33 AM, Mel Wilson<mwilson at the-wire.com> wrote:
>> The usual way to do what you're asking is
>>
>> if __name__ == '__main__':
>> main()
>> goodbye()
>>
>> and write main so that it returns after it's done all the things it's
>> supposed to do. If you've sprinkled `sys.exit()` all over your code, then
>> don't do that. If you're forced to deal with a library that hides
>> `sys.exit()` calls in the functions, then you have my sympathy. Library
>> authors should not do that, and there have been threads on c.l.p explaining
>> why they shouldn't.
>
> In such a case. one can do::
>
> if __name__ == '__main__':
> try:
> main()
> except SystemExit:
> pass
> goodbye()
>
> -- Devin
Wouldn't
if __name__ == '__main__':
try:
main()
finally:
goodbye()
be even better? Or doesn't it work well together with SystemExit?
Thomas
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