Niels Bantilan

@yassun7010 looks like the `black` linter is unhappy

thanks @yassun7010, and congrats on your first contribution to pandera! 🚀

Thanks for creating this @dkapitan ! I see several steps for this to become mainstream: - Implement `narwhals` backend, equivalent to the polars [backend](https://github.com/unionai-oss/pandera/tree/main/pandera/backends/polars) - Register this backend against the...

Hi @jfhc, would love to start work on this! The three major pieces of work that need to be implemented are the object API, the backend validation engine, and the...

Hi @RH-TLagrone planning to start working on this in earnest after wrapping up the `ibis` integration. > even very rough timeline I'd expect this to take at least 3-4 months,...

Hi all, now that [v0.25.0 with ibis support](https://github.com/unionai-oss/pandera/releases/tag/v0.25.0) is out, I'm gonna set my sights on supporting `narwhals`! @jfhc @dkapitan since you've expressed interest in this integration I'm pinging you...

Alright folks, here's a PR containing stub modules/classes/functions for the narwhals integration: https://github.com/unionai-oss/pandera/pull/2081 I want to do a little more review and initial testing before we can start divvying up...

> Therefore, because the decorators require knowledge of the backend that is expected, a decorated function itself cannot be agnostic? The issue with the code snippet is the `DataFrameSchema` objects...

Thanks @gab23r ! The tests can go here: https://github.com/unionai-oss/pandera/blob/main/tests/polars/test_polars_components.py

hey @gab23r friendly ping! See my previous comment on where to place tests: https://github.com/unionai-oss/pandera/pull/1820#issuecomment-2372682518