Revert "backports/py3-validators: drop for in community"

This reverts commit cd8c8dc55d.

backports/py3-validators/APKBUILD

@@ -0,0 +1,35 @@
+# Contributor: Leo <thinkabit.ukim@gmail.com>
+# Maintainer:
+pkgname=py3-validators
+pkgver=0.20.0
+pkgrel=0
+pkgdesc="Python3 Data Validation for Humans"
+url="https://github.com/python-validators/validators"
+arch="noarch"
+license="MIT"
+depends="py3-decorator py3-six"
+makedepends="py3-gpep517 py3-setuptools py3-wheel"
+checkdepends="py3-isort py3-pytest py3-flake8"
+subpackages="$pkgname-pyc"
+source="https://github.com/python-validators/validators/archive/$pkgver/py3-validators-$pkgver.tar.gz"
+builddir="$srcdir/validators-$pkgver"
+
+build() {
+	gpep517 build-wheel \
+		--wheel-dir .dist \
+		--output-fd 3 3>&1 >&2
+}
+
+check() {
+	python3 -m venv --clear --without-pip --system-site-packages .testenv
+	.testenv/bin/python3 -m installer .dist/*.whl
+	.testenv/bin/python3 -m pytest
+}
+
+package() {
+	python3 -m installer -d "$pkgdir" .dist/*.whl
+}
+
+sha512sums="
+45a07c061022da453c31fc946950be3a701f36afbf0e0eb82b91f4bdb26c4d2d0ab47f6958ac88fd2e0a1563201e946014a5cb93cfa1c6710411982852d571c7  py3-validators-0.20.0.tar.gz
+"