Re: [PATCH v6 20/25] python: add devel package requirements to setuptools

[Cleber Rosa]

On Wed, May 12, 2021 at 07:12:36PM -0400, John Snow wrote:
> setuptools doesn't have a formal understanding of development requires,
> but it has an optional feataures section. Fine; add a "devel" feature
> and add the requirements to it.
> 
> To avoid duplication, we can modify pipenv to install qemu[devel]
> instead. This enables us to run invocations like "pip install -e
> .[devel]" and test the package on bleeding-edge packages beyond those
> specified in Pipfile.lock.
> 
> Importantly, this also allows us to install the qemu development
> packages in a non-networked mode: `pip3 install --no-index -e .[devel]`
> will now fail if the proper development dependencies are not already
> met. This can be useful for automated build scripts where fetching
> network packages may be undesirable.
>

This is a fairly exotic feature of setuptools, with very very few
packages that I know about using it.  With most users (I believe)
relying on pipenv to get the exact packages, the setuptools/pip use
case may fall into obscurity IMO.

So my suggestion is: consider better exposing the fact that this is
available (a documentation section perhaps).

> Signed-off-by: John Snow <jsnow@redhat.com>
> ---
>  python/Pipfile      |  5 +----
>  python/Pipfile.lock | 14 +++++++++-----
>  python/setup.cfg    |  9 +++++++++
>  3 files changed, 19 insertions(+), 9 deletions(-)
>

Either way,

Reviewed-by: Cleber Rosa <crosa@redhat.com>

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