Leo Famulari writes:

Hi!

Find attached a new version of gnome-tweak-tool.

>> Sorry, I still don't understand.  Can you explain why you want to remove
>> python2 from the propagated inputs?
>
> Propagated-inputs are silently installed into the user's profile
> alongside the package that propagates them. In this case, installing
> gnome-tweak-tool would also install python2 into the user's profile.
>
> Propagation becomes attractive when the software provided by a package
> does not have a good mechanism for finding its dependencies. For
> example, some software may *only* be able to find a dependency by
> looking on PATH. Gnome-tweak-tool, as far as we know, has this
> limitation for python2.
>
> The problem with propagating inputs is that only one version of a given
> package may be installed into a user's profile. This is in contrast to
> "regular" inputs, which are not installed into a user's profile. Indeed,
> every package that you install into your profile could refer to a
> different version of, say, libfoo, by linking directly to the various
> libfoos' directories in the store.
>
> So, letting gnome-tweak-tool propagate python2 would prevent a Python
> programmer from choosing which version of python2 they want in their
> profile; they'd be forced to choose between gnome-tweak-tool or their
> desired python2.
>
> Does that make sense?

That makes sense.  Thanks for your explanation!  Is this documented
somewhere?  I think it should be.

> An alternative to propagated-inputs is to use a wrapper. Actually, all
> of our packages using the python-build-system are wrapped automatically
> [0]. The wrapper makes the dependent packages available in the run-time
> environment without polluting the user's profile, while introducing a
> reference to the dependencies into the store directory, which makes sure
> that the garbage collector works correctly.
>
> Does that make sense?

Yes.  Moved python to inputs, added python wrapper.

> Hopefully, I've got that all right — I'll be happy if somebody clarifies
> or corrects me!
>
> [0] If gnome-tweak-tool did not break convention by using the Autotools
> to build Python software, this discussion would not be happening ;)

Hah! ;-)

Greetings,
Jan