The Most Diabolical Python Antipattern
Mark Lawrence
breamoreboy at yahoo.co.uk
Fri Jan 30 03:10:58 EST 2015
On 30/01/2015 06:16, Marko Rauhamaa wrote:
> Ian Kelly <ian.g.kelly at gmail.com>:
>
>> At least use "except Exception" instead of a bare except. Do you
>> really want things like SystemExit and KeyboardInterrupt to get turned
>> into 0?
>
> How about:
>
> ==============================
> try:
> do_interesting_stuff()
> except ValueError:
> try:
> log_it()
> except:
> pass
> raise
> ==============================
>
> Surprisingly this variant could raise an unexpected exception:
>
> ==============================
> try:
> do_interesting_stuff()
> except ValueError:
> try:
> log_it()
> finally:
> raise
> ==============================
>
> A Python bug?
>
>
> Marko
>
It depends on the Python version that you're running - I think!!! See
https://www.python.org/dev/peps/pep-3134/
https://www.python.org/dev/peps/pep-0409/
https://www.python.org/dev/peps/pep-0415/ and finally try (groan :)
https://pypi.python.org/pypi/pep3134/
--
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.
Mark Lawrence
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