diff -ur libkate.orig//libkate-0.4.1.ebuild libkate//libkate-0.4.1.ebuild
--- libkate.orig//libkate-0.4.1.ebuild	2011-09-09 02:00:27.000000000 +0800
+++ libkate//libkate-0.4.1.ebuild	2011-11-26 20:05:20.947000055 +0800
@@ -2,6 +2,10 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: /var/cvsroot/gentoo-x86/media-libs/libkate/libkate-0.4.1.ebuild,v 1.1 2011/09/08 18:00:27 aballier Exp $
 
+EAPI="3"
+PYTHON_DEPEND="wxwidgets? 2"
+inherit python
+
 DESCRIPTION="Codec for karaoke and text encapsulation for Ogg"
 HOMEPAGE="http://code.google.com/p/libkate/"
 SRC_URI="http://libkate.googlecode.com/files/${P}.tar.gz"
@@ -14,7 +18,6 @@
 COMMON_DEPEND="media-libs/libogg
 	media-libs/libpng"
 DEPEND="${COMMON_DEPEND}
-	wxwidgets? ( dev-lang/python )
 	dev-util/pkgconfig
 	sys-devel/flex
 	sys-devel/bison
@@ -22,13 +25,42 @@
 RDEPEND="${COMMON_DEPEND}
 	wxwidgets? ( =dev-python/wxpython-2.8* media-libs/liboggz )"
 
-src_compile() {
+pkg_setup() {
+	if use wxwidgets; then
+		python_set_active_version 2
+		python_pkg_setup
+	fi
+}
+
+src_prepare() {
+	echo "#!/bin/sh" > misc/autotools/py-compile
+}
+
+src_configure() {
 	use wxwidgets || sed -i -e "s/HAVE_PYTHON=yes/HAVE_PYTHON=no/" configure
 	econf $(use_enable debug) $(use_enable doc) --docdir=/usr/share/doc/${PF}
+}
+
+src_compile() {
 	emake || die "emake failed"
 }
 
 src_install() {
 	emake DESTDIR="${D}" install || die "make install failed"
 	dodoc AUTHORS ChangeLog README
+	if use wxwidgets; then
+		python_convert_shebangs -r 2 "${D}"
+	fi
+}
+
+pkg_postinst() {
+	if use wxwidgets; then
+		python_mod_optimize kdj
+	fi
+}
+
+pkg_postrm() {
+	if use wxwidgets; then
+		python_mod_cleanup kdj
+	fi
 }