[issue18765] unittest needs a way to launch pdb.post_mortem or other debug hooks

2021-05-19 Thread Dominik Vilsmeier 


Dominik Vilsmeier  added the comment:

I wasn't aware of this issue so apparently I submitted a duplicate (#42722) 
half a year ago. The solution I implemented relies on simply calling 
`TestCase.debug`
and `TestSuite.debug` which makes it a lightweight change. From the perspective 
of the debugger the situation is thus no different than running a "normal" 
script. The other issue also has a pull request attached.

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nosy: +Dominik V.

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[issue42722] Add --debug command line option to unittest to enable post-mortem debugging

2021-01-22 Thread Dominik Vilsmeier 


Dominik Vilsmeier  added the comment:

Is anybody interested in reviewing the PR? It seems like a useful enhancement 
to me.

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versions: +Python 3.10

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[issue43443] Should shelve support dict union?

2021-03-09 Thread Dominik Vilsmeier 


New submission from Dominik Vilsmeier :

The docs of shelve mention that

> Shelf objects support all methods supported by dictionaries. This eases the 
> transition from dictionary based scripts to those requiring persistent 
> storage.

However the `|=` operator is not implemented, preventing a seamless transition 
from `dict` to `shelve`. So should this be implemented for `Shelf` as well? `|` 
on the other hand doesn't make much sense.

Otherwise the docs could be updated.

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components: Library (Lib)
messages: 388335
nosy: Dominik V.
priority: normal
severity: normal
status: open
title: Should shelve support dict union?
type: behavior
versions: Python 3.10, Python 3.9

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[issue43443] Should shelve support dict union?

2021-03-09 Thread Dominik Vilsmeier 


Dominik Vilsmeier  added the comment:

Right, that seems like a good idea. But `__ior__` could be implemented 
nevertheless?

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[issue43443] Should shelve support dict union?

2021-03-09 Thread Dominik Vilsmeier 


Dominik Vilsmeier  added the comment:

It's true, having `__ior__` but not `__or__` would probably be weird. In the 
end it's just "nice to have", but I'm not even sure that this applies. Calling 
`db.update(...)` is still more explicit than `db |= ...`.  The docs mention that

> This eases the transition from dictionary based scripts to those requiring 
> persistent storage.

For my use cases, however, I always knew right from the beginning that I want 
object persistence between different runs of a script (e.g. for data analysis, 
caching the expensive results), so it was always clear that I'm working with a 
Shelf object and not a dict (i.e. no expectations on the availability of `|=`).

Primarily, this issue was meant to point out the mismatch of 
docs/implementation and not to get `|=` implemented for `Shelf`. In the end, I 
think updating the docs is all that is needed.

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