narwhals 1.36.0

Narwhals v1.36.0

on Python PyPI

Changes

🚀 Performance improvements

• perf: Delay converting categories to tuple for Enum (#2414)
• perf: cache columns property for lazyframe's (#2407)

✨ Enhancements

• feat: Improve DataFrame.__getitem__ consistency (#2393)
• feat: Support for additional rank methods in spark-like (#2409)
• feat: Add support for DuckDB Enum (#2401)
• feat: Adds private Namespace class (#2324)
• feat: let nw.Enum accept categories, map pandas ordered categorical to Enum (only in main namespace, not stable.v1) (#2192)
• feat(typing): Add polars python type aliases (#2362)

🐞 Bug fixes

• fix: Use np.generic in is_numpy_scalar (#2395)
• fix(typing): Narrow TypeVar(s) used in (Data|Lazy)Frame (#2356)

📖 Documentation

• docs: add docstrings examples for Int128 and UInt128 (#2396)
• docs: Update installation guide to reflect use of dependency-groups (#2392)

🛠️ Other improvements

• test: fixup test suite for cudf (#2418)
• test: update tests so cudf is green (#2411)
• perf: cache columns property for lazyframe's (#2407)
• chore: DuckDB dtype parsing using .id and .children properties (#2406)
• feat: Adds private Namespace class (#2324)
• chore(typing): Remove all self: Self annotations (#2399)
• chore: use pytest.skip for dt tests which can never pass (#2398)
• chore(typing): Remove type from is_list_of return (#2397)
• chore: @requires for backend method constraints (#2371)
• chore: use __getitem__ less internally (#2390)
• refactor: Simplify (Arrow|PandasLike)Namespace.concat (#2381)

Thank you to all our contributors for making this release possible!
@FBruzzesi, @MarcoGorelli, @camriddell, @dangotbanned and @mollydesjardin