Add BarSpecification to msgspec encoding hooks

[pierianeagle]

Pull Request

This PR adds support for issue #2371

Type of change

• New feature (non-breaking change which adds functionality)

How has this change been tested?

Tested manually in a backtest.

[CLAassistant]

All committers have signed the CLA.

[cjdsellers]

Hi @pierianeagle

Thanks for the contribution! I think this change is reasonable.

Looks like the pre-commit step in CI failed on the ruff static checks though:

ruff.....................................................................Failed
- hook id: ruff
- exit code: 1
- files were modified by this hook

nautilus_trader/common/config.py:82:5: C901 `msgspec_encoding_hook` is too complex (11 > 10)
   |
82 | def msgspec_encoding_hook(obj: Any) -> Any:
   |     ^^^^^^^^^^^^^^^^^^^^^ C901
83 |     if isinstance(obj, Decimal):
84 |         return str(obj)
   |

nautilus_trader/common/config.py:108:5: C901 `msgspec_decoding_hook` is too complex (11 > 10)
    |
108 | def msgspec_decoding_hook(obj_type: type, obj: Any) -> Any:
    |     ^^^^^^^^^^^^^^^^^^^^^ C901
109 |     if obj_type in (Decimal, pd.Timestamp, pd.Timedelta):
110 |         return obj_type(obj)
    |

You can check on your end by running pre-commit:

make pre-commit

or

pre-commit run --all-files

For this one I'd suggest just adding a noqa: C901 (too complex) beside the function definitions on L82 and L108.
These functions probably need to use match statements instead, but thats something we can do after this merges.

Also the pre-commit will probably make some additional formatting changes, so please run and commit any other changes as well then push again 👍

[pierianeagle]

Cheers, I've sorted that out and pushed the lastest changes

[cjdsellers]

Great, thanks for adding the tests also 🙏