--- PKGBUILD.old	2013-01-14 17:02:31.524232668 +0100
+++ PKGBUILD	2013-01-14 17:13:25.077698938 +0100
@@ -71,4 +71,9 @@
   # See http://lwn.net/SubscriberLink/465311/7c299471a5399167/
   rm -rf "${pkgdir}/usr/bin/calibre-mount-helper"
   install -m 755 "${srcdir}/calibre-mount-helper" "${pkgdir}/usr/bin"
+
+  msg "Compiling bytecode..."
+  python2 -m compileall "${pkgdir}/usr/lib/calibre/"
+  msg "Compiling optimized bytecode..."
+  python2 -O -m compileall "${pkgdir}/usr/lib/calibre/"
 }