python-sympy: use alternatives for isympy wrapper

srcpkgs/python-sympy/template

@@ -1,7 +1,7 @@
 # Template file for 'python-sympy'
 pkgname=python-sympy
 version=1.0
-revision=1
+revision=2
 noarch=yes
 wrksrc="sympy-${version}"
 build_style=python-module
@@ -16,17 +16,21 @@ license="3-clause-BSD"
 distfiles="${PYPI_SITE}/s/sympy/sympy-${version}.tar.gz"
 checksum=3eacd210d839e4db911d216a9258a3ac6f936992f66db211e22767983297ffae
 
-pre_build() {
-	sed -i '/^#!/d' sympy/{benchmarks/bench_symbench,utilities/tests/diagnose_imports}.py
-}
+alternatives="
+ sympy:isympy:/usr/bin/isympy2.7
+ sympy:isympy.1:/usr/share/man/man1/isympy2.7.1"
+
 post_install() {
-	# install isympy3.x
-	vbin build-3.4/scripts-3.4/isympy isympy3.4
+	# create versioned man pages
+	mv ${DESTDIR}/usr/share/man/man1/isympy{,2.7}.1
 	vman doc/man/isympy.1 isympy3.4.1
 	vlicense LICENSE
 }
 
 python3.4-sympy_package() {
+	alternatives="
+	 sympy:isympy:/usr/bin/isympy3.4
+	 sympy:isympy.1:/usr/share/man/man1/isympy3.4.1"
 	noarch=yes
 	depends="python3.4-mpmath"
 	pycompile_version="3.4"