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[Python-ideas] except expression

Rob Cliffe rob.cliffe at btinternet.com
Thu Feb 20 17:42:48 CET 2014 
On 20/02/2014 15:23, Alexander Belopolsky wrote:
>
> On Thu, Feb 20, 2014 at 9:46 AM, Rob Cliffe <rob.cliffe at btinternet.com 
> <mailto:rob.cliffe at btinternet.com>> wrote:
>
>
>
>         I also find it disturbing that people are actually considering
>         to use this expression form as a way to do quick&dirty suppression
>         of exceptions.
>
>     This is a relatively common construction (as a survey of my own
>     small codebase indicates).  Quick, yes.  How dirty it is depends
>     entirely on context, (and how readable it can be made) and is up
>     to the programmer's judgment.
>
>
> Isn't it what contextlib.suppress() [1] was invented for?  Do we need 
> yet another way to express the same?
Well maybe.  I have never learned about context managers and know 
nothing about them.  And without some other incentive, rather than make 
the effort, I will stick with the tried and trusted "try ... except ... 
finally" workhorse which is built into the language and which I do 
understand.
>
> http://docs.python.org/3.4/library/contextlib.html#contextlib.suppress
>
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