feat: implement DatasetLibrary.names as class property

[dkrako]

Description

followup to #1022

inspired by https://stackoverflow.com/questions/76249636/class-properties-in-python-3-11

there's really some next level magic involved. need to level up my skill tree.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (ff76f47) to head (6c1b13c).

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #1027   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files           78        78           
  Lines         3561      3570    +9     
  Branches       629       629           
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+ Hits          3561      3570    +9     

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[dkrako]

pylint is complaining:

src/pymovements/dataset/dataset_library.py:81: [E0213(no-self-argument), DatasetLibrary.names] Method 'names' should have "self" as first argument

This one would be easy to fix: either rename cls to self or ignore no-self-argument.

What's worse is this:

tests/unit/dataset/dataset_library_test.py:60: [E1133(not-an-iterable), test_list_names_is_list_of_str] Non-iterable value names is used in an iterating context

This means pylint doesn't get that this is a property, not simply a method.

I'll try this approach soon:

class classproperty(property):
    def __get__(self, owner_self, owner_cls):
        return self.fget(owner_cls)