testing/py3-pure_protobuf: new aport

Python implementation of Protocol Buffers with dataclass-based schemaʼs
https://pypi.org/project/pure-protobuf/

testing/py3-pure_protobuf/APKBUILD

@@ -0,0 +1,40 @@
+# Contributor: Jakob Meier <comcloudway@ccw.icu>
+# Maintainer: Jakob Meier <comcloudway@ccw.icu>
+pkgname=py3-pure_protobuf
+# Also needs to be updated in the use_fixed_version.patch
+pkgver=2.3.0
+pkgrel=0
+pkgdesc="Python implementation of Protocol Buffers with dataclass-based schemaʼs "
+url="https://pypi.org/project/pure-protobuf/"
+arch="noarch"
+license="MIT"
+depends="py3-typing-extensions"
+makedepends="
+py3-gpep517
+py3-hatchling
+py3-poetry-core
+py3-wheel
+"
+subpackages="$pkgname-pyc"
+source="
+	https://github.com/eigenein/protobuf/archive/$pkgver/protobuf-$pkgver.tar.gz
+	use_fixed_version.patch
+"
+builddir="$srcdir/protobuf-$pkgver"
+options="!check"
+
+build() {
+	gpep517 build-wheel \
+		--wheel-dir dist \
+		--output-fd 3 3>&1 >&2
+}
+
+package() {
+	python3 -m installer -d "$pkgdir" \
+		dist/*.whl
+}
+
+sha512sums="
+60857977f56833262244cd6d406d1f021e1e7ebb78f5fd71276faaab37393a49d1dbdf8c9006933715dbc52e154c050fbabb139ff336cd1e3b4239dc8a3fdee1  protobuf-2.3.0.tar.gz
+bd2d1734bbb97fd0067c7a4b3c91ddada441a971f811e6b7a8b817d71a8223c44581a56cce93d2c948a3eee5c530af2ca59a065c09f5c1a5bbf98806aecb4b0e  use_fixed_version.patch
+"

testing/py3-pure_protobuf/use_fixed_version.patch

@@ -0,0 +1,12 @@
+--- a/pyproject.toml
++++ b/pyproject.toml
+@@ -2,8 +2,8 @@
+ name = "pure-protobuf"
+ description = "Implementation of Protocol Buffers with dataclass-based schemaʼs"
+ readme = "README.md"
++version = "2.3.0"
+ requires-python = ">=3.7"
+-dynamic = ["version"]
+ keywords = ["protobuf", "protocol-buffers"]
+ classifiers = [
+     "Development Status :: 5 - Production/Stable",