dev-python/narwhals: Bump to 2.6.0

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

dev-python/narwhals/Manifest

@@ -1,2 +1,4 @@
 DIST narwhals-2.5.0.tar.gz 558573 BLAKE2B f09121d35150efdeb328685ac09569c852357c79d1ffd85931a4922090bc84de8ec6c7401d69d1444c84e823e2e65d79f4c3f3f5f8cab147e4e0bb081c446d02 SHA512 b33f22c05935b12aad87809cea8aeafd8f17873725b1a0665a9845f71ab4caf5caa22c6f5612b7a334eebf37efab3f971c6599bd7d93a41c21c4c0f8303447fa
 DIST narwhals-2.5.0.tar.gz.provenance 9939 BLAKE2B 3f7b0e304584d3cc18f500f9310e97af5609c598f5e4e74b01d50138b42898983611c89644682f2453eb27830893e98b02406e0a1d93086a5be6f0fc55b0b95a SHA512 f3367e78f6c0897543d208b56a886280d217fc7beff6b647892b970aa38436cb9cd70ebd899a39729040f1fa193d21c7bce36701ce078556f5d7e7381660c5b4
+DIST narwhals-2.6.0.tar.gz 561649 BLAKE2B a687857f573ec262fc4ac872d728318bd232f01026c865703cdf18363023fbd3cf6feeb5964a24563d7ccbd82dc065590b4779204da5fff61e6448f784103852 SHA512 cf41582635376891f70a409e0505cee7575cb74e7df61f2e5f21a691e23f20b27091e7191bc0d88116d72363020d53d5a01bdbacfed9ed1c4c8acf1444a917b7
+DIST narwhals-2.6.0.tar.gz.provenance 9653 BLAKE2B 53edab41fedc85c2f7f10f61d50fe3a391e621c5d743217fe9aded918ad8dbe03921be314807de6d9cd1d01c07402be77361d6ad271757582bef73223c64288d SHA512 5ee4999f2e00fb95510cf25a566c0306220d2a4f74eac1f0751d6e5ccc9c64ecec327562412ae977e7704462cfdcc74594cd2e40e531c356727df918bdc53b1c

dev-python/narwhals/narwhals-2.6.0.ebuild

@@ -0,0 +1,44 @@
+# Copyright 2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=hatchling
+PYPI_VERIFY_REPO=https://github.com/narwhals-dev/narwhals
+PYTHON_COMPAT=( python3_{11..13} )
+
+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_sys_info
+	)
+
+	epytest --runslow --constructors="pandas,pandas[nullable],pandas[pyarrow],pyarrow"
+}