dev-python/narwhals: Bump to 2.22.1

Signed-off-by: Michał Górny <mgorny@gentoo.org>

dev-python/narwhals/Manifest

@@ -1,2 +1,4 @@
 DIST narwhals-2.21.2.tar.gz 632176 BLAKE2B 56d0336a1e40af867372800b06604083b88c36663cdaebb210c1f8be677a95dba379a91aa25a9356cbdd45f9aa180052eef33b775edc65eb08d9946e03340b5a SHA512 52174013ac10285d8ac920e7a0d19bd5f66f19f3162bdc0a408df734b68fc9a6da7c8f88cddd01c4459b2438931b91478bf9d3a93034b7c811e078a811c67c6d
 DIST narwhals-2.21.2.tar.gz.provenance 9671 BLAKE2B cef8354e755a27c5871f75125b9929f326ade522b84241d6aa79d3cc0f65bbbbab335b32dcdcecdae3c9283c498f6a33dd3246bc168910b229236bfdd088c04c SHA512 f0cbee7564534b418d3e9a094b12fb7b0c595fabe0777b28d0dfc42ed69dbe997bd468e4f75229857526ce797dae70fe3d0207817636f12f881a2fac0c99b0c5
+DIST narwhals-2.22.1.tar.gz 647493 BLAKE2B 46d228e1d5dac6aefd084593e6caa0e44152f1a8747604c27c81c970605e6d76f4300df69064d8261b1dfcc19af3bb28fcb6ca2c696e7c8f657f2c2c54652f35 SHA512 88406008edb73f64fee1bc5ccdf9aeb9bd5e6a59c97955095b5540a19dd34f5c2813bba322285d8a2bf82706420e432efd1bacf59922d778f9069cab3ad99ae1
+DIST narwhals-2.22.1.tar.gz.provenance 9801 BLAKE2B 292135ea0a646db5d29a90457dcfa1d3a95818106ff7f08cc7cbfcfe4ab82809727eede03da9c9512b9840ca39066e4b8107bebab02b0ee18c79f03f9e438cb5 SHA512 fc108f76456c48cb48e031d2832ac37536a9967b455e8ae809b3deb803981418cbf6ef3316901fd0cabf4d571b6c45e7678d3a9ca421e0bac8669051e47c42a2

dev-python/narwhals/narwhals-2.22.1.ebuild

@@ -0,0 +1,44 @@
+# Copyright 2025-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=uv-build
+PYPI_VERIFY_REPO=https://github.com/narwhals-dev/narwhals
+PYTHON_COMPAT=( python3_{12..14} )
+
+inherit distutils-r1 pypi
+
+DESCRIPTION="Extremely lightweight compatibility layer between dataframe libraries"
+HOMEPAGE="
+	https://github.com/narwhals-dev/narwhals/
+	https://pypi.org/project/narwhals/
+"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64"
+
+BDEPEND="
+	test? (
+		>=dev-python/pandas-1.1.3[${PYTHON_USEDEP}]
+		>=dev-python/pyarrow-13.0.0[${PYTHON_USEDEP}]
+	)
+"
+
+EPYTEST_PLUGINS=( hypothesis pytest-env )
+EPYTEST_XDIST=1
+distutils_enable_tests pytest
+
+python_test() {
+	local EPYTEST_DESELECT=(
+		# segfaults
+		# https://github.com/apache/arrow/issues/47252
+		'tests/modern_polars/unpivot_test.py::test_unpivot[pyarrow]'
+		# fragile to parallel merges that can cause non-atomic .dist-info
+		# changes
+		tests/system_info_test.py::test_get_deps_info
+	)
+
+	epytest --runslow --constructors="pandas,pandas[nullable],pandas[pyarrow],pyarrow"
+}