uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/python-modules/kaa-metadata/default.nix

@@ -0,0 +1,56 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, kaa-base
+, isPyPy
+, isPy3k
+, python
+, pkgs
+}:
+
+buildPythonPackage rec {
+  version = "0.7.8dev-r4569-20111003";
+  pname = "kaa-metadata";
+  disabled = isPyPy || isPy3k;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0bkbzfgxvmby8lvzkqjp86anxvv3vjd9nksv2g4l7shsk1n7y27a";
+  };
+
+  doCheck = false;
+
+  buildInputs = [ pkgs.libdvdread ];
+
+  propagatedBuildInputs = [ kaa-base ];
+
+  # Same as in buildPythonPackage except that it does not pass --old-and-unmanageable
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p "$out/lib/${python.libPrefix}/site-packages"
+
+    export PYTHONPATH="$out/lib/${python.libPrefix}/site-packages:$PYTHONPATH"
+
+    ${python}/bin/${python.executable} setup.py install \
+      --install-lib=$out/lib/${python.libPrefix}/site-packages \
+      --prefix="$out"
+
+    eapth="$out/lib/${python.libPrefix}"/site-packages/easy-install.pth
+    if [ -e "$eapth" ]; then
+    mv "$eapth" $(dirname "$eapth")/${pname}-${version}.pth
+    fi
+
+    rm -f "$out/lib/${python.libPrefix}"/site-packages/site.py*
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Python library for parsing media metadata, which can extract metadata (e.g., such as id3 tags) from a wide range of media files";
+    homepage = "https://github.com/freevo/kaa-metadata";
+    license = licenses.gpl2;
+    maintainers = with maintainers; [ ];
+  };
+
+}