feat: add unpack variants option

[mdegat01]

Add a flag to unpack variants in outputs. Supported this flag in all methods of the proxy interface (methods, properties and signals).

Support for this flag was not implemented in MessageBus.call. We could do this but it seemed like that one should remain raw. Also the wrappers in Proxy Interface won't work correctly if variants are unpacked by call so they have to handle it separately anyway.

[dlech]

This is something we are using in Bleak, so it could be nice to have it built-in to dbus-fast.

Although I could not understand what "remove signatures" meant until I read all of the code. In Bleak we called this "unpack_variants" since that is basically what it is doing. When I read "remove signatures", I thought this was doing some really low-level thing with the d-bus message itself.

[codecov]

Codecov Report

Base: 80.78% // Head: 80.88% // Increases project coverage by +0.09% 🎉

Coverage data is based on head (8bd423d) compared to base (ca2a3c1).
Patch coverage: 89.47% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #20      +/-   ##
==========================================
+ Coverage   80.78%   80.88%   +0.09%     
==========================================
  Files          24       24              
  Lines        2800     2835      +35     
  Branches      602      616      +14     
==========================================
+ Hits         2262     2293      +31     
  Misses        334      334              
- Partials      204      208       +4     

Impacted Files	Coverage Δ
src/dbus_fast/__version__.py	0.00% <0.00%> (ø)
src/dbus_fast/glib/proxy_object.py	82.94% <76.47%> (-2.06%)	⬇️
src/dbus_fast/proxy_object.py	77.77% <94.73%> (+1.26%)	⬆️
src/dbus_fast/aio/proxy_object.py	96.42% <100.00%> (+0.42%)	⬆️
src/dbus_fast/signature.py	59.24% <100.00%> (+1.85%)	⬆️

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[mdegat01]

Unpack variants is a good name @dlech . As I mentioned above I was really just moving this code from supervisor into the library as it seemed really useful for everyone and kept the names we were using the same. But I'll rename it, that does make more sense.

[mdegat01]

So for the codecov check, its basically failing that because I also modified the glib part for completeness. And I also added tests for that but I see those aren't running. Should I just remove all changes to the glib and only change aio?

[bdraco]

So for the codecov check, its basically failing that because I also modified the glib part for completeness. And I also added tests for that but I see those aren't running. Should I just remove all changes to the glib and only change aio?

I think we are missing a library being installed in the CI. We should probably fix that first. I'll see if I can fix it before I go to sleep but getting late here so not if I can before sleep.

[bdraco]

GI tests should work now. CI should be a bit faster as well as caching will be turned on with this PR

#21

I'm too tired to be sure I got everything right with the jet lag so I didn't merge it, but feel free if it looks ok.

g'night

[bdraco]

We need to address #20 (comment) before merging

[bdraco]

LGTM 👍