dev-python/gmpy2: Bump to 2.3.0_alpha1

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

dev-python/gmpy2/Manifest

@@ -1 +1,2 @@
 DIST gmpy2-2.2.1.tar.gz 234228 BLAKE2B 80188c6abd30ee5b5ebc4d233d3d97dd78be7f9d21d0649429e87b23d3e6d8b5b9269c792d481f24bd3b43d28e012bdd64ee6bb5d0137e3ac759742c845186c1 SHA512 2a3dc011295a373e10455e1f133aa3063cff24cdac0151cee9f29ce5855c3e44c3e3aab61bf13c11c9df1147b9183c6c387db1cb4dcb270b9dce1a9cb521f5dc
+DIST gmpy2-2.3.0a1.tar.gz 244673 BLAKE2B 83ea701d248c610d9b9bc592e45e7cad4e5b8f73c916e05cde700e76e224cb9d40208d7cdf208c1862aa511708c5059f5dba007f1cfbf27cdf7f4a3259f9061a SHA512 caf0ac50e07b62e403c137311c8dff8b2a13c2da43817ec575454e5c6f423ff2ddb73b16f48cc42b54bbf589ca6ae8dd260a911929c7c0736b4a7b2ee840cf31

dev-python/gmpy2/gmpy2-2.3.0_alpha1.ebuild

@@ -0,0 +1,44 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_EXT=1
+DISTUTILS_USE_PEP517=setuptools
+PYPI_PN="gmpy2"
+PYTHON_COMPAT=( python3_{11..14} )
+
+inherit distutils-r1 pypi
+
+DESCRIPTION="Python bindings for GMP, MPC, MPFR and MPIR libraries"
+HOMEPAGE="
+	https://github.com/aleaxit/gmpy/
+	https://pypi.org/project/gmpy2/
+"
+
+LICENSE="LGPL-3+"
+SLOT="2"
+
+DEPEND="
+	>=dev-libs/mpc-1.0.2:=
+	>=dev-libs/mpfr-3.1.2:=
+	dev-libs/gmp:0=
+"
+RDEPEND="
+	${DEPEND}
+"
+BDEPEND="
+	test? (
+		dev-python/mpmath[${PYTHON_USEDEP}]
+		dev-python/numpy[${PYTHON_USEDEP}]
+	)
+"
+
+EPYTEST_PLUGINS=( hypothesis )
+EPYTEST_XDIST=1
+distutils_enable_tests pytest
+
+python_test() {
+	rm -rf gmpy2 || die
+	epytest
+}