community/py3-aiofiles-gns3: new aport

This is a dependency of GNS3, which needs some
specific version to work.
Introduced due to upgrade of py3-aiofiles to 0.5.0, while
GNS3 sticks to 0.4.0

community/py3-aiofiles-gns3/APKBUILD

+# Contributor: Francesco Colista <fcolista@alpinelinux.org>
+# Maintainer: Francesco Colista <fcolista@alpinelinux.org>
+pkgname=py3-aiofiles-gns3
+_pkgname=aiofiles
+pkgver=0.4.0
+pkgrel=0
+pkgdesc="File support for asyncio - GNS3 compatible version"
+url="https://github.com/Tinche/aiofiles"
+arch="noarch"
+license="Apache-2.0"
+depends="python3"
+makedepends="python3-dev py3-setuptools !py3-aiofiles"
+checkdepends="py3-pytest py3-pytest-asyncio"
+source="$_pkgname-$pkgver.tar.gz::https://github.com/Tinche/aiofiles/archive/v$pkgver.tar.gz"
+builddir="$srcdir/$_pkgname-$pkgver"
+
+build() {
+	python3 setup.py build
+}
+
+check() {
+	PYTHONPATH="$builddir"/build/lib pytest
+}
+
+package() {
+	python3 setup.py install --root="$pkgdir" --optimize=1
+}
+
+sha512sums="9e1f8b2beb3ca2996b35de9281ceafbb8ccdeab4b213f9605cb5908558c5f495d1cf4481ac229ca44bb236ad99826d89d137ec6ac4386c23b6e056b657a6bf4a  aiofiles-0.4.0.tar.gz"