python-keyring: use alternatives

srcpkgs/python-keyring/template

@@ -1,13 +1,13 @@
 # Template file for 'python-keyring'
 pkgname=python-keyring
 version=9.0
-revision=1
+revision=2
 noarch=yes
 wrksrc="keyring-${version}"
 build_style=python-module
 python_versions="2.7 3.4"
 hostmakedepends="python-setuptools python3.4-setuptools"
-depends="python"
+depends="python-setuptools"
 pycompile_module="keyring"
 short_desc="Python2 interface to the system keyring service"
 maintainer="Oliver Kiddle <okiddle@yahoo.co.uk>"
@@ -15,23 +15,21 @@ license="MIT"
 homepage="https://github.com/jaraco/keyring"
 distfiles="${PYPI_SITE}/k/keyring/keyring-${version}.tar.gz"
 checksum=1c1222298da2100128f821c57096c69cb6cec0d22ba3b66c2859ae95ae473799
+alternatives="keyring:keyring:/usr/bin/keyring2.7"
 
 pre_build() {
 	sed -e '/setuptools_scm/d' \
 		-e "s/use_scm_version=True,/version=\"${version}\",/" \
 		-i setup.py
 }
-post_install() {
-	cp -f ${DESTDIR}/usr/bin/keyring{,3.4}
-	replace_interpreter python ${DESTDIR}/usr/bin/keyring
-}
 
 python3.4-keyring_package() {
 	noarch=yes
 	pycompile_version="3.4"
 	pycompile_module="keyring"
-	depends="python3.4"
+	depends="python3.4-setuptools"
 	short_desc="${short_desc/Python2/Python3.4}"
+	alternatives="keyring:keyring:/usr/bin/keyring3.4"
 	pkg_install() {
 		vmove usr/bin/keyring3.4
 		vmove usr/lib/python3.4