testing/py3-utils: upgrade to 3.8.1 & use gpep517 packaging

also, patch out typing_extensions in setup.py,
fix a setuptools deprecation warning,
and re-enable on s390x.

testing/py3-utils/APKBUILD

@@ -2,18 +2,19 @@
 # Maintainer: Marian Buschsieweke <marian.buschsieweke@ovgu.de>
 pkgname=py3-utils
 _pkgname=python-utils
-pkgver=3.7.0
+pkgver=3.8.1
 pkgrel=0
 pkgdesc="Convenient utilities not included with the standard Python install"
 url="https://github.com/WoLpH/python-utils"
-arch="noarch !s390x" # fails tests
+arch="noarch"
 license="BSD-3-Clause"
-makedepends="py3-setuptools"
+makedepends="py3-gpep517 py3-setuptools py3-wheel"
 checkdepends="py3-pytest py3-pytest-asyncio py3-loguru"
 subpackages="$pkgname-pyc"
 source="
 	https://files.pythonhosted.org/packages/source/${_pkgname:0:1}/$_pkgname/$_pkgname-$pkgver.tar.gz
 
+	fix-setuptools-deprecation.patch
 	pytest.patch
 	typing-ext.patch
 	"
@@ -21,19 +22,25 @@ source="
 builddir="$srcdir/$_pkgname-$pkgver"
 
 build() {
-	python3 setup.py build
+	gpep517 build-wheel \
+		--wheel-dir .dist \
+		--output-fd 3 3>&1 >&2
 }
 
 check() {
-	pytest
+	python3 -m venv --clear --without-pip --system-site-packages .testenv
+	.testenv/bin/python3 -m installer .dist/*.whl
+	.testenv/bin/python3 -m pytest
 }
 
 package() {
-	python3 setup.py install --skip-build --root="$pkgdir"
+	python3 -m installer -d "$pkgdir" \
+		.dist/*.whl
 }
 
 sha512sums="
-df3b33dbf213c7099a5a17166ac1e01e9044bf6bb364de96a4b182831ff3216fe37edb7f94cb66f8d2fcab42cea404a9c4f27142890ae0e7510363815f47ad41  python-utils-3.7.0.tar.gz
+ccba9651cc99a8f4e3f13e7ff66a43a40d2e85bc735b6246524269495ff321225a0dcad9abd03ca9cb61b4b1b35a27009fac3fe87e3f748ffc5c87a956acd335  python-utils-3.8.1.tar.gz
+c001453b958b8231806ef6a04fcd21e1d252eeec36d4e6cbfce35f0662bae76c3f7484e0e8ff06d68a3e9cc7d19c9cdbf792c13e0101c580bb5e8de9d837fde7  fix-setuptools-deprecation.patch
 99cc91ad155f8140aedc9420659c0e560a4d816ac1f85468ddb3a9fdc87526d591da916441d63b601146a86fb2c26f61c9dfbe37e31b86ee605f732e24e7b465  pytest.patch
-fad358e2082683987d209abb704e4a6e1b8d67bcc00aaf08e5b7f94d11f823326cfcd8f3d5d5383e3984e324664e4f545e4066238937712aab36c768abc29152  typing-ext.patch
+d68943e3301eaafe2a9ea27f382a2eba1ce98149d8cbbe91aa9222cf76a8f7bebba3d9dbfced54bd88c90688a6e18373f011fbb83cd36cbf2ecd3e36b034aa22  typing-ext.patch
 "

testing/py3-utils/fix-setuptools-deprecation.patch

@@ -0,0 +1,11 @@
+--- a/setup.cfg
++++ b/setup.cfg
+@@ -2,7 +2,7 @@
+ test = pytest
+ 
+ [metadata]
+-description-file = README.rst
++description_file = README.rst
+ 
+ [nosetests]
+ verbosity = 3

testing/py3-utils/typing-ext.patch

@@ -10,3 +10,13 @@ index 01c319a..79ef950 100644
  from typing import *  # type: ignore  # pragma: no cover  # noqa: F403
  from types import *  # type: ignore  # pragma: no cover  # noqa: F403
  
+--- a/setup.py
++++ b/setup.py
+@@ -29,7 +29,6 @@
+         ),
+         package_data={'python_utils': ['py.typed']},
+         long_description=long_description,
+-        install_requires=['typing_extensions>3.10.0.2'],
+         tests_require=['pytest'],
+         extras_require={
+             'loguru': [