Use PEP 517

PKGBUILD

@@ -4,13 +4,14 @@
 _name=littleutils
 pkgname=python-littleutils
 pkgver=0.2.2
-pkgrel=3
+pkgrel=4
 pkgdesc='Small personal collection of python utility functions'
 arch=('any')
 url=https://github.com/alexmojaki/littleutils
 license=('MIT')
 depends=('python')
-makedepends=('python-setuptools')
+makedepends=('python-build' 'python-installer' 'python-setuptools'
+             'python-wheel')
 source=("https://files.pythonhosted.org/packages/source/${_name::1}/$_name/$_name-$pkgver.tar.gz"
         'littleutils-LICENSE::https://raw.githubusercontent.com/alexmojaki/littleutils/master/LICENSE')
 sha256sums=('e6cae3a4203e530d51c9667ed310ffe3b1948f2876e3d69605b3de4b7d96916f'
@@ -20,7 +21,7 @@ b2sums=('80aec2c133e39eb0e18c948b15d475e60842689fd0e758c43511a8b014648d7c9e84318
 
 build() {
   cd $_name-$pkgver
-  python setup.py build
+  python -m build --wheel --skip-dependency-check --no-isolation
 }
 
 check() {
@@ -32,5 +33,5 @@ package() {
   install -Dm644 littleutils-LICENSE "$pkgdir"/usr/share/licenses/$pkgname/LICENSE
 
   cd $_name-$pkgver
-  python setup.py install --root="$pkgdir" --optimize=1 --skip-build
+  python -m installer --destdir="$pkgdir" dist/*.whl
 }