[bug#44077] gnu: poetry: Update to 1.1.4.

[Marius Bakke <marius@gnu.org>]

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Tanguy LE CARROUR <tanguy@bioneland.org> skriver:

> Hi Marius!
>
>
> Excerpts from Marius Bakke's message of November 29, 2020 9:06 pm:
>> Tanguy LE CARROUR <tanguy@bioneland.org> skriver:
>> 
>>> I've tried to modify `python-virtualenv` to make it use our current
>>> version of `python-distlib`. Poetry builds, but it does not work
>>> properly!
>>>
>>> ```
>>> $ poetry install
>>> Creating virtualenv test-4avGy1Vc-py3.8 in /home/tanguy/.cache/pypoetry/virtualenvs
>>>
>>>   ImportError
>>>
>>>   cannot import name 'enquote_executable' from 'distlib.scripts'
>>>   (/gnu/store/2j3qn0ksry1qarwih9knh1ngr6zm2rci-python-distlib-0.3.0/lib/python3.8/site-packages/distlib/scripts.py)
>>> ```
>>>
>>> So I guess the version of distlib does matter and we cannot do without.
>> 
>> To get these patches on 'master' without rebuilding the world, you can
>> create a new 'python-distlib' like so:
>> 
>>   ;; TODO: Merge with 'python-distlib' on the next rebuild cycle.
>>   (define-public python-distlib/next
>>     (package
>>       (inherit python-distlib)
>>       (version "1.2.3")
>>       (source (origin ...))))
>> 
>> ...and in the packages that require the new version, refer to
>> 'python-distlib/next' instead of 'python-distlib'.
>> 
>> Does that make sense?
>
> Yes, thanks, that's a great solution, indeed!
>
> I'm only concerned about the poor soul who has to remember to get rid of
> the `python-distlib/next` and update `python-virtualenv` package
> definition. I guess none of this is auto-magic, right?!

It's not automatic indeed.  But as long as there is a source code
comment mentioning 'core-updates', 'staging' or 'rebuild cycle', chances
are some poor soul will take care of it appropriately in due time.  ;-)

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