testing/py-luhn: drop python2

testing/py-luhn/APKBUILD → testing/py3-luhn/APKBUILD

 # Maintainer: 
-pkgname=py-luhn
+pkgname=py3-luhn
+_pkgname=luhn
 pkgver=0.2.0
 pkgrel=1
 pkgdesc="generate and validate luhn check digits"
 url="https://pypi.python.org/pypi/luhn/"
 arch="noarch"
 license="BSD"
-depends="py-amqp"
-makedepends="python2-dev python3-dev py-setuptools"
+depends="py3-amqp"
+makedepends="py3-setuptools"
 install=""
-subpackages="py2-luhn:py2 py3-luhn:py3"
 source="https://files.pythonhosted.org/packages/source/l/luhn/luhn-$pkgver.tar.gz"
 builddir="$srcdir/luhn-$pkgver"
 
+replaces="py-luhn" # Backwards compatibility
+provides="py-luhn=$pkgver-r$pkgrel" # Backwards compatibility
+
 build() {
 	cd "$_builddir"
-	python2 setup.py build
 	python3 setup.py build
 }
 
 package() {
-	mkdir -p "$pkgdir"
-}
-
-_py() {
-        local python="$1"
-        pkgdesc="$pkgdesc ${python#python}"
-        depends="$depends $python"
-        install_if="$pkgname=$pkgver-r$pkgrel $python"
-
         cd "$builddir"
-        $python setup.py install --prefix=/usr --root="$subpkgdir"
-}
-
-py2() {
-	cd "$builddir"
-	_py python2
-}
-
-py3() {
-	cd "$builddir"
-	_py python3
+        python3 setup.py install --prefix=/usr --root="$pkgdir"
 }
 
 sha512sums="81c5be3ae22069f409098ad3c333e90514cfd1dd351974cabfd03981790e408bd65129f46b1a05dc9411d566c4a9ceb62b0942a276a1bb561c3b3282685b46f7  luhn-0.2.0.tar.gz"