diff -ur codecgraph.orig//codecgraph-20090522.ebuild codecgraph/codecgraph-20090522.ebuild
--- codecgraph.orig//codecgraph-20090522.ebuild	2011-11-13 00:29:37.659791549 +0800
+++ codecgraph/codecgraph-20090522.ebuild	2011-11-14 17:27:22.176931575 +0800
@@ -2,7 +2,11 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: /var/cvsroot/gentoo-x86/media-sound/codecgraph/codecgraph-20090522.ebuild,v 1.1 2010/11/21 13:40:34 chainsaw Exp $
 
-inherit eutils
+EAPI="4"
+
+PYTHON_DEPEND="2:2.6"
+
+inherit eutils python
 
 DESCRIPTION="Generates a graph based on the ALSA description of an HD Audio codec."
 HOMEPAGE="http://helllabs.org/codecgraph/"
@@ -12,16 +16,13 @@
 KEYWORDS="~amd64"
 IUSE=""
 
-RDEPEND="dev-lang/python
-	media-gfx/graphviz"
+RDEPEND=" media-gfx/graphviz"
 
 DEPEND="${RDEPEND}
 	media-gfx/imagemagick"
 
-src_unpack() {
-        unpack ${A}
-        cd "${S}"
-        epatch "${FILESDIR}/${PV}-makefile-prefix.diff"
+src_prepare() {
+	epatch "${FILESDIR}/${PV}-makefile-prefix.diff"
 }
 
 src_compile() {
@@ -29,6 +30,7 @@
 }
 
 src_install() {
-	make DESTDIR="${D}" install
+	make DESTDIR="${ED}" install
 	dodoc codecs.txt README BUGS IDEAS
+	python_convert_shebangs -r 2 "${ED}"	
 }