gmidimonitor: Hack to build with python3

Signed-off-by: Andreas Müller <schnitzeltony@gmail.com>

recipes-musicians/gmidimonitor/gmidimonitor_3.6.bb

@@ -1,9 +1,8 @@
 SUMMARY = "GTK+ application that shows MIDI events"
-HOMEPAGE = "http://home.gna.org/gmidimonitor"
 LICENSE = "GPLv2"
 LIC_FILES_CHKSUM = "file://COPYING;md5=f1e8b3e96c0abf4e3abb3b0f8e8eaf7f"
 
-inherit waf gtk-icon-cache
+inherit waf gtk-icon-cache python3native
 
 DEPENDS += " \
     gtk+ \
@@ -22,11 +21,48 @@ S = "${WORKDIR}/git"
 SRC_URI[icon.md5sum] = "e6e764ea13f2b15a297d8cd62540edf2"
 SRC_URI[icon.sha256sum] = "16d3e31b4e9ef6e9c7ba3ab79876726f52da21631870cea95076a98913a0bd2c"
 
-do_install_append() {
+waf_preconfigure() {
+}
+
+do_configure_prepend() {
+    cd ${S}
+
+    # link python -> python3
+    ln -sf `which python3` ${B}/python
+    export PATH="${PATH}:${B}"
+
+    # dummy call -> unpacks waf
+    ./waf configure -o ${B} --prefix=${prefix} ${EXTRA_OECONF} || true
+
+    # add unpacked modules to pypath
+    echo `find ${S} -type d -name wafadmin` > ${B}/PYTHONPATH
+    export PYTHONPATH=`cat ${B}/PYTHONPATH`
+
+    # -> python3
+    2to3 -w -x import `find .waf3-* -name '*.py'`
+
+    # hmmm
+    sed -i 's:^.*raise StopIteration::g' `find .waf3-* -name '*.py'`
+
+    ./waf configure --prefix=${prefix} ${WAF_EXTRA_CONF} ${EXTRA_OECONF}
+}
+
+do_compile()  {
+    export PATH="${PATH}:${B}"
+    export PYTHONPATH=`cat ${B}/PYTHONPATH`
+
+    # waf breaks but gets far enough to build what's necessary
+	(cd ${S} && ./waf build ${@oe.utils.parallel_make_argument(d, '-j%d', limit=64)}) || true
+}
+
+do_install() {
     install -d "${D}/${datadir}/applications"
     install ${WORKDIR}/gmidimonitor-alsa.desktop ${D}/${datadir}/applications/
     install ${WORKDIR}/gmidimonitor-jack.desktop ${D}/${datadir}/applications/
 
     install -d "${D}/${datadir}/pixmaps"
     install ${WORKDIR}/RB_keyboard_icon.svg ${D}/${datadir}/pixmaps/${BPN}.svg
+
+    install -d "${D}/${bindir}"
+    install ${B}/gmidimonitor ${D}/${bindir}
 }