main/py3-pathlib2: drop py2

Closes !175

main/py3-pathlib2/APKBUILD

 # Contributor: Carlo Landmeter <clandmeter@alpinelinux.org>
 # Maintainer: Carlo Landmeter <clandmeter@alpinelinux.org>
-pkgname=py-pathlib2
+pkgname=py3-pathlib2
 pkgver=2.3.4
-pkgrel=0
+pkgrel=1
 pkgdesc="Fork of pathlib aiming to support the full stdlib Python API"
 url="https://github.com/mcmtroffaes/pathlib2"
 arch="noarch"
 license="MIT"
+depends="python3 py3-six py3-scandir"
+makedepends="py3-setuptools"
 source="pathlib2-$pkgver.tar.gz::https://github.com/mcmtroffaes/pathlib2/archive/$pkgver.tar.gz"
 builddir="$srcdir/pathlib2-$pkgver"
-depends="py-six py-scandir"
-makedepends="python2-dev python3-dev py-setuptools"
-subpackages="py2-${pkgname#py-}:_py2 py3-${pkgname#py-}:_py3"
+
+replaces="py-pathlib2" # Backwards compatibility
+provides="py-pathlib2=$pkgver-r$pkgrel" # Backwards compatibility
 
 build() {
 	cd "$builddir"
-	python2 setup.py build
 	python3 setup.py build
 }
 
 check() {
 	cd "$builddir"
-	python2 setup.py test
 	python3 setup.py test
 }
 
 package() {
-	mkdir -p "$pkgdir"
-}
-
-_py2() {
-	depends="${depends//py-/py2-}"
-	_py python2
-}
-
-_py3() {
-	depends="${depends//py-/py3-}"
-	_py python3
-}
-
-_py() {
-	local python="$1"
-	pkgdesc="$pkgdesc (for $python)"
-	depends="$depends $python"
-	install_if="$pkgname=$pkgver-r$pkgrel $python"
-
 	cd "$builddir"
-	$python setup.py install --prefix=/usr --root="$subpkgdir"
+	python3 setup.py install --prefix=/usr --root="$pkgdir"
 }
 
 sha512sums="79b37a97037ba9ca2b315c7c4ff06e8b9b492d4f5d5cfe33e8b4cae533bf2314d27edb1a21f83791d82a1761df6a97bc07376cbff61e29e4bf43552daab499a0  pathlib2-2.3.4.tar.gz"