Use setuptools to build the project

PKGBUILD

@@ -10,7 +10,10 @@ arch=('any')
 url="https://github.com/Fuxino/simple_backup.git"
 license=('GPL3')
 makedepends=('git'
-             'python-setuptools')
+            'python-setuptools'
+            'python-build'
+            'python-installer'
+            'python-wheel')
 depends=('python'
          'rsync'
          'python-dotenv'
@@ -26,14 +29,20 @@ pkgver()
    git describe --long --tags | sed 's/\([^-]*-g\)/r\1/;s/-/./g'
 }
 
+prepare()
+{
+   git -C ${srcdir}/${pkgname} clean -dfx
+}
+
 build()
 {
    cd ${srcdir}/${pkgname}
-   python3 setup.py build
+   python -m build --wheel --no-isolation
 }
 
 package()
 {
    cd ${srcdir}/${pkgname}
-   python3 setup.py install --root=${pkgdir} --optimize=1 --skip-build
+   python -m installer --destdir=${pkgdir} dist/*.whl
+   install -Dm644 ${srcdir}/${pkgname}/${pkgname}.conf ${pkgdir}/etc/${pkgname}/${pkgname}.conf
 }