testing/py3-flask-cdn: build with gpep517

testing/py3-flask-cdn/APKBUILD

@@ -3,13 +3,13 @@
 pkgname=py3-flask-cdn
 _pkgname=Flask-CDN
 pkgver=1.5.3
-pkgrel=7
+pkgrel=8
 pkgdesc="Flask CDN static files extension"
 url="https://pypi.org/project/Flask-CDN"
 arch="noarch"
 license="MIT"
 depends="python3 py3-flask"
-makedepends="py3-setuptools"
+makedepends="py3-setuptools py3-gpep517"
 subpackages="$pkgname-pyc"
 source="https://files.pythonhosted.org/packages/source/${_pkgname:0:1}/$_pkgname/$_pkgname-$pkgver.tar.gz
 	assertEquals.patch
@@ -20,15 +20,20 @@ replaces="py-flask-cdn" # Backwards compatibility
 provides="py-flask-cdn=$pkgver-r$pkgrel" # Backwards compatibility
 
 build() {
-	python3 setup.py build
+	gpep517 build-wheel \
+		--wheel-dir .dist \
+		--output-fd 3 3>&1 >&2
 }
 
 check() {
-	python3 -m unittest
+	python3 -m venv --clear --without-pip --system-site-packages .testenv
+	gpep517 install-wheel --destdir .testenv --prefix '' .dist/*.whl
+	.testenv/bin/python3 -m unittest discover
 }
 
 package() {
-	python3 setup.py install --skip-build --root="$pkgdir"
+	gpep517 install-wheel --destdir "$pkgdir" \
+		.dist/*.whl
 }
 
 sha512sums="