On 2013-10-19, at 08:38 , Nick Coghlan wrote:
>> The above example, especially if extended beyond two files, begs to used in
>> a loop, like your 5 line version:
>>
>>
>> for name in ("somefile.tmp", "someotherfile.tmp"):
>> with suppress(FileNotFoundError):
>> os.remove(name)
>>
>> which would be fine, of course.
>>
>> But to some with less education about the how and why, it is not clear why
>> it couldn't be written like:
>>
>> with suppress(FileNotFoundError):
>>
>> for name in ("somefile.tmp", "someotherfile.tmp"):
>> os.remove(name)
>>
>> yet to the cognoscenti, it is obvious there are seriously different
>> semantics.
>
> However, that's a confusion about exception handling in general, not
> about the suppress context manager in particular. The same potential
> for conceptual confusion exists between:
>
> for name in ("somefile.tmp", "someotherfile.tmp"):
> try:
> os.remove(name)
> except FileNotFoundError:
> pass
>
> and:
>
> try:
> for name in ("somefile.tmp", "someotherfile.tmp"):
> os.remove(name)
> except FileNotFoundError:
> pass
It could work if the exceptions system was extended to a full-blow
conditions system though.
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