dev-python/oslotest: enable py3.12

Signed-off-by: Petr Vaněk <arkamar@atlas.cz>
Signed-off-by: Michał Górny <mgorny@gentoo.org>

dev-python/oslotest/files/oslotest-4.5.0-py3.12-fix.patch

@@ -0,0 +1,23 @@
+Subject: [PATCH] Replace find_module function
+
+find_module function was deprecated in Python 3.4 [1] and later removed
+in Python 3.12 [2], the find_spec function should be used instead. This
+change is necessary for proper Python 3.12 support.
+
+[1] https://docs.python.org/3.4/library/importlib.html#importlib.abc.MetaPathFinder.find_module
+[2] https://github.com/python/cpython/issues/98040
+
+Upstream: https://review.opendev.org/c/openstack/oslotest/+/886646
+
+diff --git a/oslotest/modules.py b/oslotest/modules.py
+index f453b17..8fe04a2 100644
+--- a/oslotest/modules.py
++++ b/oslotest/modules.py
+@@ -45,6 +45,6 @@
+     def __init__(self, module):
+         self.module = module
+ 
+-    def find_module(self, fullname, path):
++    def find_spec(self, fullname, path, target):
+         if fullname == self.module or fullname.startswith(self.module + '.'):
+             raise ImportError

dev-python/oslotest/oslotest-4.5.0-r3.ebuild

@@ -0,0 +1,40 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=setuptools
+PYTHON_COMPAT=( python3_{10..12} )
+
+inherit distutils-r1 pypi
+
+DESCRIPTION="Oslo test framework"
+HOMEPAGE="
+	https://opendev.org/openstack/oslotest/
+	https://github.com/openstack/oslotest/
+	https://pypi.org/project/oslotest/
+"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~riscv ~x86 ~amd64-linux ~x86-linux"
+
+BDEPEND="
+	>=dev-python/pbr-1.8[${PYTHON_USEDEP}]
+"
+RDEPEND="
+	>=dev-python/fixtures-3.0.0[${PYTHON_USEDEP}]
+	>=dev-python/six-1.10.0[${PYTHON_USEDEP}]
+	>=dev-python/testtools-2.2.0[${PYTHON_USEDEP}]
+"
+
+PATCHES=(
+	"${FILESDIR}/${P}-py3.12-fix.patch"
+)
+
+distutils_enable_tests unittest
+
+src_prepare() {
+	sed -i -e '/subunit/d' requirements.txt || die
+	distutils-r1_src_prepare
+}