Hi,
I was just about to make exactly the suggestion. Seem like a nice idea to have
this, because it simplifies error handling a lot.
Axel
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> but we don't need special syntax for "else" on a for or while loop (or try
> block) either, you could always set a sentinel for those too.
> which to me is a case for adding else to a "with" block as well, for all the
> same reasons it's there for the other block construct.
That's part of my o
On Tue, Mar 31, 2020 at 2:41 AM Serhiy Storchaka
wrote:
> 31.03.20 01:32, Christopher Barker пише:
> > In case Serhiy's answer wasn't clear: context managers can be written to
> > handle exceptions (within their context) in any way you see fit.
> >
> > that is: the method:
> > |
> > |
> > |__exit
On Mar 31, 2020, at 03:06, Jimmy Thrasibule wrote:
>
>
>>
>> But if you use a context manager which silences the exception, like
>> contextlib.suppress() or unittest.TestCase.assertRaises(), it is easy to
>> do too.
>>
>> was_not_raised = False
>> with my_context():
>> do_so
> But if you use a context manager which silences the exception, like
> contextlib.suppress() or unittest.TestCase.assertRaises(), it is easy to
> do too.
>
> was_not_raised = False
> with my_context():
>do_something_sensitive()
>was_not_raised = True
> if was
31.03.20 01:32, Christopher Barker пише:
In case Serhiy's answer wasn't clear: context managers can be written to
handle exceptions (within their context) in any way you see fit.
that is: the method:
|
|
|__exit__(||self||, exc_type, exc_value, exc_traceback):|
get the exception, and informati
>
> Perhaps you could use try/finally:
>
> try:
> prepare()
> do_something_sensitive()
> finally:
> cleanup()
>
Well I actually would like to run the else block in case an exception did
occurred.
Let me provide an example from my use case which is the management of
On Mon, Mar 30, 2020 at 3:19 PM Serhiy Storchaka
wrote:
> 31.03.20 00:27, Jimmy Thrasibule пише:
> > In my situation, I would like to mix the `with` statement with `else`.
> > In this case I would like that if no exception is raised within the
> > `with` to run the `else` part.
>
> It is easy. Yo
31.03.20 00:27, Jimmy Thrasibule пише:
In my situation, I would like to mix the `with` statement with `else`.
In this case I would like that if no exception is raised within the
`with` to run the `else` part.
It is easy. You do not need "else".
with my_context():
do_something_sensitive()
On Mon, 30 Mar 2020 23:27:19 +0200
Jimmy Thrasibule wrote:
> Now imagine that in my `try .. except` block I have some heavy setup
> to do before `do_something_sensitive()` and some heavy cleanup when
> the exception occurs.
> I'd like my context manager to do the preparation work, execute the
>
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